Wifi controlled relays. RF Standards: IEEE 802.
Wifi controlled relays Smart WiFi Switch Relay, eMylo Wireless Remote Control WiFi Light Switch 90-250V One Channel Voice Control Outlet Timer Work with Alexa Google Assistant Smart Life App 1 Pack . The phone should run a TCP client which sends a simple one-byte (maybe zero and non-zero) command Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home DC 5V 12V 24V 36V Passive Output Relay Module Ewelink APP WiFi Control Compatible with Alexa/Google Home, Inching/Self-Locking Switch. I’ve gone with LOW to activate relay. 469 views, 18 likes, 0 loves, 0 comments, 0 shares, Facebook Watch Videos from Skycraft Parts & Surplus: Wifi controlled relays. Stars. Remove the WiFiBee module instead with a BluetoothBee, it becomes a Bluetooth relay. 5. These 4 different LEDs are similar to 4 different Home Appliances. 00. Supported by many WiFi-operated relay switch, 1 channel 16A Control wide range of home appliances and office equipment (lights, power lines, security systems, heating radiators, air conditioners, etc. Based on the ESP8266/ESP8285 wireless chip, this relay ca be connected to almost any AC appliance, device or gadget up to 10A and 2200W total, and WiFi Relay Board with Solid State Relays NCD WiFi Relay Controllers are available with your choice of 1, 2, 4, or 8-channel options and 5 or 10 Amp general purpose relays. I will go over some basics, but wi 1. 17-7%. Suitable for home automation applications, hobby projects, industrial automation. 4 out of 5 stars. Control your Outdoor Lighting, Water Pumps, Fountains, etc. This ESP32 control smart relay has the following features: Control home appliances with Blynk App if WiFi is available. To program ESP8266, FTDI Converter is required to Search Newegg. 0 out of 5 stars 1. Use Cell Phone, Tablet or Alexa to Control from Anywhere Regular price $89 00 $89. Remotely control 4 electromechanical relays with the WebRelay-Quad™. RF Standards: IEEE 802. This board is essentially a Wi-Fi controlled relay that you can trigger with an App from anywhere in the world (requires configuration of modem and knowing your modem IP address). 3 out of 5 stars 90. This module will receive the Hex Data from the mobile app over wifi, and control the relay based on that data wirelessly. $38. I hope there's enough info here, suggestions welcome as I've probably forgotten something :! 5V 2 channel relay board with selectable low/high activate. For simple remote relay control and data monitoring without any code it doesn’t get any easier than the Web-i. This allows control of power equipment over a short range using a wired connection or Bluetooth or over a long range using Ethernet, WiFi and even across the This DIY IoT Relay based on the Raspberry Pi Pico W WiFi + Bluetooth module can be used to control High Power Devices like Water Pumps, Air Conditioners, Heaters, and other High Ampere loads. Up to 16 Temperature Sensors. REMOTE CONTROL: This wireless switch transmits data to a Remotely control 4 electromechanical relays with the WebRelay-Quad™. The main difference lies in complexity and functionality. By implementing the Bluetooth Serial Port Profile, the board will appear to your computer as a standard COM port, making it easy to communicate wireless data via Bluetooth between the PC and the device Wireless Contact Closure. with a Smart Wi-Fi Outdoor Relay Switch. MHCOZY 2 Channel 5V 12V 32V WiFi Relay Switch,Tuya app Remote Dry Contact,Works with Alexa Google Home. If so, that is your problem. 00. Every NodeMCU has a particular IP Address. Using Arduino. Since it is Z-Wave, you will need a Z-Wave hub to control it remotely. The Switchbox is a Smart Relay which makes it possible to control most household Electrical devices by your Smartphone or Tablet. Supports communication via TCP/IP and UDP messages but also Virtual Serial (COM) Port as well. Ratings & Reviews. Brand New · Unbranded. This Blynk ESP8266 control smart relay has the following features: Control home appliances with WiFi (Blynk IoT app). Only focusing on power monitoring and metering! Safety Is Guaranteed. Features. Wi-Fi Relay. I have seen many videos on youtube and such, and each has his own way in approaching this result. Monitor real-time feedback in the Blynk IoT App. There are pages created for the specific number of relays installed on the board, simply select the number of relays installed on the board. This board enables users to control 2 x relays remotely. Shelly devices are designed to offer a painless solution for home automation, by integrating into your existing home electronics and connecting with smart home platforms such as Amazon Alexia for voice activation as well. You can send MQTT messages with payload 1 to turn off the relay or 0 to turn on the relay. Simply connect any device you want to test or activate to the relay module; then use ESP8266 WiFi Serial Transceiver Module; and last but not least, ESP01/01S Relay Module. 3 out of 5 stars 102 ratings | Search this page . The web page interface can be designed to display the status of the relays and provide control options. The Key Fob Receiver Module is used to receive key fob remote control signals and convert to ProXR relay control commands. Sponsored. 9-28VDC and/or POE Wi-Fi Controlled Relay - Works with Amazon Alexa or Android and iOS free eWeLink app. I'm not completely sure whether the schematic is right or not, so I'd be glad if you guys pointed ESP8266 WiFi Serial Transceiver Module; and last but not least, ESP01/01S Relay Module. We will create a simple configuration that allows us activate the relays on the shield through a dashboard. Send commands to the board over your WiFi network to control relays using the industry leading command set. Open 9AM to 4:30 CST. 4GHz WiFi Communications IEEE 802. 105. The browser-based user interface and open REST API makes the WiFi Relay Control. groundFungus August 22, 2017, 7:37pm 21. Smart Geyser Control Switch 30A 6. It's a WiFi relay, You can easily control this relay module by your computer or smartphone using WiFi. RYRA Online 3C Store. The board measures just 45 x 28mm and features an ESP8266 module and microcontroller, screw This 12V 2 Channel WiFi Relay module carries an ESP8266 Wi-Fi module and a microcontroller. I'm looking for a wifi switch or relay that I can use to power cycle them in case they totally freeze up. Key Fob Series controllers include a ProXR Lite Controller and a Key Fob Receiver Module. What I have done is created a four Channel relay board for it and the coolest part is that board also has a 100-240V-AC to 5V-DC Power supply on board so you will be able to connect it directly to AC mains while creating a Wifi enabled switch board. Set relays to toggle, timer, or momentary We take a look at two relay modules based on the ESP-01, one from Jaycar (XC3804) and the other from Altronics (Z6427). In MODE-1 we can control the relay module from both Blynk App and IR remote. Let’s dive into the details. # Setup wifi Cellular and WiFi are Now Available. Works with Home Assistant, Domoticz and OpenHAB home automation systems as well as with Node-RED IoT platform. 3V device. Here all you will learn to build your own solar panel circuit and understand the basics of what is happening in the relay circuits made in this Instructable and also to control and monitor via home wifi using ESP8266. Monitor real-time feedback in NextGen Bluetooth Relay Interface The NexGen Bluetooth/WiFi interface that will allow you control relays wirelessly over a Bluetooth connection. Ideal for switching over a WiFi connection, NCD WiFi relay controllers accept TCP/IP commands for relay control and Once uploaded, the ESP32 will connect to the specified WiFi network and MQTT broker. Once the chip boots GPIO0 can be high. Control home appliances and devices remotely with this versatile controller. Ethernet, Cellular, or WiFi. Securely turn anything on or off from any location as well as open doors, gates and more from your computer, laptop, tablet High Current Relays with Analog Inputs for Sensor Monitoring and Manual Relay Control. Supported by DRM and DRMv3 Get a 3. R 390. I’ve wanted to use an ESP8266 WiFi module in a project for some time now, and after reading about the WeMos board, I figured this was the easiest way to get started. $13. 4 out of 5 stars 43. Visit the Yasorn Store. In the previous ESP8266 project called CONTROL A RELAY USING ESP8266 AND ANDROID, I have shown you how to control a relay module (subsequently, the load connected to the relay) through WiFi with the help of ESP8266 and an Android App developed using MIT App Inventor 2 Application. Once connected, the ESP32 can act as a web server, hosting a web page that serves as the user interface for relay control. 4 Channel Relay Module ESP8266 Chip PCB APP Control Quad Smart Relay Board for Electronic Equipment(DC 12V) 2. A 1738 IR detector is connected with the D8 pin of Arduino to control the relay module from any IR remote (Ex TV Remote). You can control devices 230V / 120V (up to 8) directly with one such relay unit. Wi-Fi 16 Relay Module can controlled by some of smartDEN Input Module's analog/digital Brings easily control of electrical appliances wirelessly. Wi-Fi relay project from earlier. Easy access Wi-Fi 16 Relay Module via Internet and control electrical devices from Smartphone, Laptop or Tablet. 00 Current price is: R390. CS WiFi/Ethernet Web Based I/O and Relay Controller. This is firmware for a wifi-controlled relay, written in CircuitPython. Features: Easy-to-configure web interface. Control home appliances manually without internet. Those "digital relays" are available in 5V and 3. 93. 6 stars. Therefore, if you're a more casual smart home user, you are probably better off with one of the WiFi based switches. 26 to $6. This server should forward all incoming data coming through Wi-Fi from your Android phone through USB to the Arduino. Specifications Of WIFI Relay: Model: ESP8266 Wifi Relay; Color: Green; Size(L*W*H):65 x 40 x 18 mm; ISM: 2. 32 SPDT Relays with individual LEDs for status. Or fastest delivery Wed, Nov 6 . Much of our development work was done with embedded Wi-Fi. com Ultraswitch If you need help, feel free to contact DM5XX@gmx. This smart relay has the following features: 1. Very convenient to use. Learn More | Buy Now. Connect the D5, D6, D7, and TX pin to a Push Button or One way or doorbell switch. 2. 9-28VDC and/or POE. This makes monitoring the device status without moving to different pages. Smart WiFi Relay Switch,eMylo Wireless Remote Control Module WiFi Relay Receiver Home Automation Timers Compatible with Alexa Echo Google Home iPhone Android App . Project Guidance. 50+ bought in past month. Benefits of a WiFi relay One of the main benefits of a WiFi relay is the ability to extend the coverage of an existing WiFi network by boosting the signal and eliminating dead spots. and i wanted to know your opinion regarding this: do you suggest a better assistant than alexapi to be SONOFF Wi-Fi Smart Switch 10A 2400W, Smart Relay Switch Light Switch Works With Alexa/Google Home Assistant, DONJON Wireless Remote Switch,AC 110V/220V/230V/240V 30A Relay RF Remote Control Light Switches for Pump Security Systems Door curtain Gate Barriers etc with 328ft Long Range 2,960. The Arduino interfaces with an I2C LCD display for user feedback and controls a 4-channel relay Relay modules to control lights and motors from a computer, phone or microcontroller over a LAN or Internet using WiFi, Bluetooth, Ethernet and USB TCP/IP , UDP WiFi and Ethernet. 19. New features include a WiFi/ethernet access The latest WebRelay™ has been updated with powerful firmware, as well as cellular and wifi options, making it an incredibly capable wireless remote control relay. Shelly Plus i4 DC is a WiFi and Bluetooth controlled 4-digital inputs controller for enhanced actions control that can also be used as a WiFi repeater. Monitor real-time feedback in One such interesting technology in this regard is the SONOFF Basic: Single Channel WiFi Relay, which is essentially just a standard relay, but with WiFi and app-control integrated into the circuitry. Relay / Opening time: 0. Use the Arduino Cloud Remote app to control relays. $30. This is a setup of a heat switch controlled via mqtt for the esp32. Z-Wave is an excellent protocol for people that are serious about home automation, but the hubs don't come cheap. 4 Relays. Monitor dry contacts and control relays with built-in I/O. ) from anywhere, with the world's smallest WiFi-operated relay switch. Make your existing lights smart with the Smart WiFi Switch Connector. Wi-Fi Controlled Multi Relay System (240V) - Works Amazon Alexa or Android and iOS free eWeLink app. It's made with the esp-idf framework. Here, we’ve rounded up The WebRelay Wireless™ is a WiFi-enabled electromechanical relay with a built-in web server and optically isolated digital input. The idea: Inspired from the megawebswitch project, which is a really powerful way to switch 63 sources (with on/off-Switches, grouped switches, latched switching with configurable time, switching restirctions and ESP8266 Wifi Controlled Relay. Each relay can be controlled independently by simply clicking the toggle button. A Computer Controlled Relay allow you to switch electrical equipment from a computer via RS232, USB, or Wireless communications. This innovative MCB allows users to remotely monitor and control power distribution circuits through a smartphone app or web interface, providing unprecedented convenience and NCD Key Fob Controllers control on-board relays with a wireless remote control up to 700 feet away. Based on the ESP8266/ESP8285 wireless chip, this relay ca be connected to almost any AC appliance, device or gadget up to 10A and 2200W total, and ESP8266 Wifi Controlled Relay. Custom properties. Was: $8. National Control Devices, LLC (866) 960-1270. Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC Smart WIFI relay swtich for in-line installation into lighting circuits. The Wi-Fi interface supports 2. Model: WVCS-24-1-10A. WiFi relay controllers are cross-platform compatible, as all operating systems are capable of sending and receiving TCP/IP data. Ideal for switching over a WiFi connection, NCD WiFi relay controllers accept TCP/IP commands for relay control and Search Newegg. The relays can be controlled manually with the standart coils commands they also can act like timers. I removed the relay from the circuit board, connected a few more GPIO pins to the Darlington driver, and added pin-headers for the ProXR Controllers are available with SPDT, DPDT, High-Power or Solid-State relay options with a modular communications platform for control over USB, Ethernet, RS-232, RS-485, Long Range Wireless, Wi-Fi, Bluetooth, or from wireless Key Fob remote controls. See all Web-i Relays. There are many advantages to using a computer controlled relay controller. In this guide, we’ll explore how to control relays using an ESP32 microcontroller and MQTT protocol. In this article, we’ll walk you through the steps to create a WiFi-controlled relay using the NodeMCU v3, an excellent microcontroller board based on the ESP8266 WiFi module. For example we will be able to turn on and turn off a heater, fan or light over Controlling Relays Over WiFi: Introduction: In this Instructable you will learn how to control relays over Wifi using the Blynk App on your smart phone. The communication way also can be changed easily. The 2 channels can be controlled remotely using a webserver/WiFi connection. In this project, we will be an interfacing 4-channel relay with NodeMCU ESP8266 12E Wifi Module and control 4 different LEDs. The device is a simple WiFi relay module that Wi-Fi Controlled Relay - Works Amazon Alexa or Android and iOS free eWeLink app. The simple user interface and no-code logic builder makes this programmable logic controller the easiest relay Learn how to use Arduino Uno R4 WiFi to control relay via Web, how to turn on/off a relay via web browser, how to program Arduino step by step. 1% and adherence to the ISO 9001:2015 certification. the electrical appliance loads of DUALR3 will always remain on, the relay state will not be changed by APP or external switches. It is perfect for the Shelly Wall Switch for Smart Relays – a 4-button switch. 01. If no internet The 240V AC 15 AMP LED Wireless Relay Module is hard wired to the mains power and uses wireless RF for the control communication. This circuit enables remote control of four AC-powered red lights using an Arduino UNO and an ESP8266 ESP-01 WiFi module. uk ; Three relays controlled with WiFi MQTT from Home Assistant, using a WeMos D1 mini board. uSwitch Pro+ offers the compact size of our uSwitch Pro with Ethernet and WiFi connectivity. The control signal is sent over the same power line your appliances are connected to. The WeMos D1 mini is quite small and much easier to interact with and program than the NCD WiFi Relay Controllers are available with your choice of 1, 2, 4, or 8-channel options and 5 or 10 Amp general purpose relays. 99 $ 13. This, in turn, will lay the foundation of the smart home setup. WiFi-controlled relay boards are only used for alternating current switching circuits and are extremely convenient to use. 4G Hz / RF 433Mhz single code 1527 , for use with 4 CH remote control / BLE Bluetooth Low Energy: Support Voice Control A sixteen channel ModBus TCP/UDP relay board with Wi-Fi 802. Even though it is a wonderful project, where One such interesting technology in this regard is the SONOFF Basic: Single Channel WiFi Relay, which is essentially just a standard relay, but with WiFi and app-control integrated into the circuitry. It is intended to be mounted behind power sockets and light switches This board is essentially a Wi-Fi controlled relay that you can trigger with an App from anywhere in the world (requires configuration of modem and knowing your modem IP address). Get Fast, Free Shipping with Amazon Prime. WiFi 6 Router, High Speed 1775Mbps Wireless Router Support WAN LAN Port Multiple Devices, 5G Mobile WiFi Hotspot, Access Control, Supports Guest WiFi. 00 Wi-Fi & Mobile Network Controlled Relays, Contactors and Valves Works with Amazon Alexa, and Google Home and supports IFTTT on the Fastest and most Stable Platform available. 4 GHz: Interface: Web Based: Compatibility: Apple Android Windows Phone MS Windows Linux OSX: Range: 50M in One of the surprises in my most recent mailbag was a couple of kits from Universal Solder, including this "smarter relays board". WiFi is a popular choice for Android and IoS operating systems, as these WiFi relay controllers may be controlled in a standardized way. 2%; 12V Remote Control Switch Mini Wireless Remote Switch Dry Contact Remote Control Relay Switch 328ft Long Range with 10A Relay for Motorcycle,Lights,Garage Door,Motor,Fan. 7 seconds / lifespan +1M switches / insulation resistance: 100M: Relay Load: AC250V/10A or DC30V/10A: Switch mode: Switch/Mobile phone: WiFi Standards. No programming or soldering skills required. 4. 0 Latest Dec 23, 2020 + 3 releases. COM: connect the current you want to control (mains voltage). What I want to do: Override an old in-door so i ve got my Pi3, and want to start automating my home, i m planning on using alexapi + home assistant to control relays turn on-off stuff at home with voice. Save 3% on any 2 Ewelink Wifi Relay Module USB DC 5v 1 Channel Inching Self-Lock Dry Contact Remote Switch Home Automation Modules for Access Control,Computer Power On,Garage The ESP8266 Wifi Relay is a low-cost Wi-Fi-based microchip with full TCP/IP stack and microcontroller capability. Ethernet Relay at a Glance Gen3 Ethernet - New for 2020 - Supports DHCP & Fixed IP Address - Web Interface for Configuration Settings - Programmable TCP Port and IP Address - Windows App for Configuration and Recovery Working Web Pages - New for 2020 - Pages Already Created - Basic Control Functions - Use with Any Browser Industry Leading Command Set - Send Gugxiom 8 Channel Relay Module ESP32-WROOM-32E WiFi Relay Module, DC5-30V Remote Control Relay Module, Programmable ESP32 Development Board, Program Led and Relay Indicators. The iPhone App allows you to control up to 32 relays per board and control an unlimited number of boards within the app! The app is compatible with boards with an Ethernet or Wi-Fi interface and installs on an Android phone or tablet. There is also a push-button to select the MODE. 4 Relays & 4 Digital 1 channel DIN rail relay switch with power metering and Wi-Fi, LAN and Bluetooth connection Professional 1 channel relay with Wi-Fi, LAN, and Bluetooth connection, suitable for home and facility automation with remote control and precise power management DIN rail mountable insde a breaker box Enhanced safety features and compatible with most Dual Relay Wi-Fi Smart Switch with Power Metering. Collect Flybuys points when you shop in-store or online! Find out Learn how to use Arduino Uno R4 WiFi to control relay via Web, how to turn on/off a relay via web browser, how to program Arduino step by step. Its dual-channel configuration supports independent control of two loads, making it an excellent choice for automating household appliances such as lights, fans, and other devices in a Home Assistant environment. Bluetooth Relay This ESP32 control smart relay has the following features: Control home appliances with Blynk App if WiFi is available. Internet controlled relay A common status page displays the status of all relays and GPIOs in one location. Save US $0. Models: WIFI-RELAY2-10A-240V (2 Control Relays)WIFI-RELAY4-10A-240V (4 Control Relays) Features VOICE CONTROL: This wireless switch works with Amazon Alexa and Google Home to manage your devices through Voice control . 90 $ 30. 0 forks. 11 b/n/g 2. Relays on the board can be turned on/off by clicking the ‘Toggle Relay’ button next to the corresponding relay index. by Tim Blythman WiFi Relay Modules - January 2024 ESP8266 WIFI Remote Relay Switch: In this tutorial I will show you how to convert an old power strip into WIFI remote control. Hardware & Software needed Relay / Opening time: 0. ProXR Controllers are available with SPDT, DPDT, High-Power or Solid-State relay options with a modular communications platform for control over USB, Ethernet, RS-232, RS-485, Long Range Wireless, Wi-Fi, Bluetooth, or from wireless Key Fob remote controls. arduino esp8266 relay esp32 esp wifi web-gui esp8266-arduino esp32-arduino Resources. ESP-Relay version 0. Extend functionality by adding other ControlByWeb devices with P2P communication. 2. Monitor real-time feedback in the Blynk App. be80be August 22, 2017, 7:51pm 22. About. 4 GHz; PA Wi-Fi Controlled Relay - Works with Amazon Alexa or Android and iOS free eWeLink app. I have used D23, D22, D21, D19, D18, D5, D25 & D26 GPIO to control the 8 relays. Projects Contests Teachers Controlling Relays Over WiFi. The tutorial provides the fundamentals that you can easily and creatively modify to achieve multiple Control your relays over wifi using an ESP8266 or ESP32 Topics. 3V input scale with 10bit resolution (multiplexed with digital IOs). And the GPIO D13, D12, D14, D27, D33, D32, D15 & D4 connected with manual switches to control the relay module manually. This circuit enables remote control Remotely control 4 electromechanical relays with the WebRelay-Quad™. What makes these shelly devices different from other smart switches is the fact that you will still use your existing light The R420PL_WIFI WiFi Relay Switch is equipped with the NexGen Wi-Fi interface that will allow you control relays over the network. Models: WIFI-RELAY2-10A-120V (2 Control Relays)WIFI-RELAY4-10A-120V (4 Control Relays) Features VOICE CONTROL: This wireless switch works with Amazon Alexa and Google Home to manage your devices through Voice control RE. And in MODE-2 we can control the relay module from only IR Remote. 43. In addition, connected relays can also be managed through the use of a smart speaker or voice assistant such as Siri from Apple, The 2 Channel WIFI Relay is a versatile and easy-to-use module that can use to automate a variety of tasks around the home or office. Use Cell Phone, Tablet or Alexa to Control from Anywhere Models: WIFI-VAL38B-110V (3/8" Brass Valve)WIFI-VAL12B-110V (1/2" Brass Valve)WIFI-VAL34B-110V (3/4" Brass Valve)WIFI-VAL1B-110V (1" Brass Valve) Featu WiFi & Mobile Network This is the firmware for the remoteQth. Control from anywhere by app or voice control. 99 $ 15. The relays can be controlled manually with the standart coils commands they also can act like timers. Forks. The project works with 5VDC. $8. The NC are COM pins For power users, this WiFi Relay Controller can be controlled by writing programs in various programming languages. incl. By brlabelectronics in WiFi / Internet Controlled Relays Using ESP8266 - Quick, 30 Minutes IoT Project: ESP8266 is a very popular device for IoT these days. WiFi & Mobile Network Controlled Relays and Contactors WiFi connected relay: remote control and voice commands. The tutorial provides the fundamentals that you Smart relay switches connect to the internet and can control the socket they are attached to — be it a wall outlet, a light bulb, or your air conditioner. It is intended to be mounted behind power sockets and light switches A sixteen channel ModBus TCP/UDP relay board with Wi-Fi 802. It is mainly used to control higher voltage circuits with lower voltage. 1Pc Relay Network Ethernet Relay Controller Module Control Board LAN WAN Network Web Server with RJ 45 Interface + 8 Channel Relay Module for Smart Home Remote Control. The WiFi relay board is with 8 SPDT relays rated up to 7A each. Selecting a WiFi Relay RDL WiFi Eight Channel Relay Board is controlled through WiFi. The limitation of this module is that both the module and the module should be connected to the same wifi network. Building the thing was very easy; I already had a Wi-Fi relay project from earlier that I just repurposed. Wirelessly turn lights on/off via smart device control or via home hub. 1 out of 5 stars 45. It is perfect for Shelly Wall Switch for Smart Relays – a 4 button switch. I have several servers running on 240 volt outlets (two hot lines, 20amps each). 3V models. Purchase BrilliantSmart WiFi Fox On/Off Relay Switch. alex2000lopez August 17, 2017, 6:26pm 1. 42. Readme Activity. In fact, many low-end manufacturers rely on ESP chip for their WiFi controlled devices like smart bulbs, etc. 8 Analog Inputs that support 0V – 3. Technical Support: 01291446105 (Mon to Fri 8am to 4pm) or E-mail: support@ener-j. 2 watching. Jumper works unpower it put jumper on power up pull the jumper and your ready The WebRelay Wireless™ is a WiFi-enabled electromechanical relay with a built-in web server and optically isolated digital input. BASICS OF RELAY. The NexGen WiFi module includes firmware that focuses on the most needed features while retaining the flexibility to adapt to just about The New NextGen WiFi module has the ability to select a web page that can be used to control the relays! The web page is already created and can be selected when setting up the module. R 490. 14 $ 19. The two relays are wired to reverse the polarity for open/close commands. The 'control' and 'controlled' circuits are electrically isolated from each other. Securely turn anything on or off from any location as well as open doors, gates and more from your computer, laptop, tablet Overall, Wi-Fi relays offer a convenient and flexible way to control and monitor devices and systems remotely, providing enhanced control and automation capabilities. Wemos Wifi Controlled Relays for Led, Motor and Mains Light: Hi, this is my first 'instructable', well not really an instructable, more like here's something I made. co. Your Content Goes Here The WiFi-Controlled Miniature Circuit Breaker (MCB) revolutionizes electrical distribution by integrating wireless connectivity into traditional circuit protection devices. 1 Relay (12A 277VAC, 30 VDC) 1 Digital Input (4-26 VDC) Use Digital I/O modules to remotely monitor digital input state or control relays based on input state. 0 stars Watchers. All boards have modules installed and when you select a network protocol the Smart WiFi Geyser Control Switch 30A (6. Contact us to learn more! Ethernet/WiFi Relays and I/O uSwitch Pro+. Wi-Fi, 2. Wi-Fi Relay Control. This ESP8266 10A 220V Network Relay WIFI Module will take charge of your electrical equipment by WIFI control. Control channels: 1 On/Off Relay Channel: Operational temperature: 0°C to + 40°C: Intelligent On/Off: Yes: Local and smart control: Yes: Sunrise/Sunset timer: Yes: The Shelly 1PM Plus WiFi Relay Switch module with Bluetooth can control 1 electrical circuit up to 3. If the ESP32 is connected with WiFi, then you can control the relay module from Amazon Alexa App and manual switches. In this way, it can operate at different voltages and offers a wide range of MHCOZY WiFi Smart Switch Relay Module for Home Automation,Add WiFi to Access Control Garage Door,eWelink app Remote Dry Contact,Works with Alexa,Google Assistant (5-32V 4CH) 4. The board measures just 45 x 28mm and features an ESP8266 module and microcontroller, screw Ethernet Relay at a Glance Gen3 Ethernet - New for 2020 - Supports DHCP & Fixed IP Address - Web Interface for Configuration Settings - Programmable TCP Port and IP Address - Windows App for Configuration and Recovery Working Web Pages - New for 2020 - Pages Already Created - Basic Control Functions - Use with Any Browser Industry Leading Command Set - Send Learn how to use ESP32 to control relay via Web, how to turn on/off a relay via web browser, how to program ESP32 step by step. $15. Cellular and WiFi are Wi-Fi Controlled Relay (240V) - Works with Amazon Alexa or Android and iOS free eWeLink app. Relay I have also explained in detail how the ESP8266 and Arduino can communicate to show the current state of relays in the Blynk App. MQTT is a lightweight messaging protocol ideal for IoT applications, allowing Wi-Fi Controlled Relay - Works with Amazon Alexa or Android and iOS free eWeLink app. eBay DC 5V/12V 1-2-4-8 Channel Optocoupler Relay Module Support high and low trigger Using SMD optocoupler isolation, driving ability, stable performance; trigger Similarly connect D1 pin of NodeMCU with Relay pin 2, D2 with Relay 3, and D3 with Relay 1. The 2-Channel Wi-Fi AC Relay Module is a smart device from Seeed Studio designed to control AC-powered appliances wirelessly. 07 $ 38. 5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP. Shelly Plus i4 is a WiFi and Bluetooth-controlled 4-digital inputs controller for enhanced action control that can also be used as a WiFi repeater. Features : Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time; Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Overview. 204. 3. Note that X-401CW and X-401W models include cellular and WiFi capability respectively, which allows for more flexibility for your application. The simple user interface and no-code logic builder makes this programmable logic controller the easiest relay control method you can find. How do WiFi-controlled relay boards work? A WiFi relay board is equipped with three terminals. Our ethernet controlled relay device allows you to securely turn anything on or off as well as open doors, gates and even start vehicles from any computer. Explore comprehensive documentation for the Wi-Fi Controlled 4-Channel Relay with Arduino and ESP8266 project, including components, wiring, and code. Screw terminals help user to connect devices and power the supply. In stock. $275. Only 3 left in stock. Phone: (512) 539-9402. WiFi & Bluetooth Smart Relay Switch with Power Metering, Home Automation, Compatible with Alexa & Google Home The Switch Transmitters and Relay Control Receivers in the product group can be used with any dry-contact non-powered Flow Switch, Level Switch, Float Switch. 4 Relays & 4 Digital Inputs. 11 b/g/n, Secure In this project, we will be an interfacing 4-channel relay with NodeMCU ESP8266 12E Wifi Module and control 4 different LEDs. . Turn appliances on/off directly from your smartphone or tablet. com for wifi relay. Use Cell Phone, Tablet or Alexa to Control from Anywhere With new heights of functionality unique in the industry, the new uSwitch CS is all you need to control, monitor, reboot your devices, and now send event notifications by text or email. When the controlling computer is connected to the internet, relays can be controlled from anywhere in the world. Controlling relays from switches Without Internet Circuit of the ESP32 Smart Home System **If you are using push-buttons instead of switches then please refer to the following circuit. Monitor the Relay-Time feedback in the Blynk App. ControlByWeb digital input modules are high Typical Applications for the Shelly Plus 1 WiFi Relay: Although small 1 channel relays, these Shelly Plus 1 WiFi Relays are powerful together. h> // Replace with your network You have successfully created a web-based relay control system using the The thing is called X10, it's an industry standard for most home automation tasks, including controlling lights. 00 Wi-Fi & Mobile Network Controlled Relays, Contactors and Valves Overall, Wi-Fi relays offer a convenient and flexible way to control and monitor devices and systems remotely, providing enhanced control and automation capabilities. 50+ bought in In this Instructables, we are going to see how to make use of the Home Inverter with simple Relay Logic Circuits. WiFi Relays allow you turn relays on or off, flash relays continuously, control relays for a duration of time, and control relays in LANBON L8-HM Smart WiFi Relay Switch, DIY WiFi Module Switch for Smart Home Automation Solution, Smart Switch Compatible with Alexa & Google Home for Light, Fan, lamp, Strip Explore comprehensive documentation for the Wi-Fi Controlled 4-Channel Relay with Arduino and ESP8266 project, including components, wiring, and code. Similar items. (From a little digging it looks like the Wemos is a 3. We connect ESP8266 WiFi Serial Transceiver Module to ESP01/01S Relay Module so that we can control the relay via WiFi. 6 out of 5 stars 3. VOICE CONTROL: This wireless switch works with Wi-Fi Controlled Relay - Works Amazon Alexa or Android and iOS free eWeLink app. Model #: CB0BVMY7VDF Aroidful Mini WiFi Smart Light Switch DIY Breaker Module, WiFi Smart Relay Switch Controlled by Smart Life/Tuya App, Compatible with Alexa Echo and Google Home, Support 1 Way or 2 Way 100V-240V 16A. Model #: CB0BVMY7VDF WIFI ESP8266 ESP-01S Relay Module Relay Control Switch APP IOT Relay Module WiFi Consumption Smart Socket For Smart Home Module . The relays are SPST-NO types. The board measures just 45 x 28mm and features an ESP8266 module and microcontroller, screw Once configured, the Control Relay connects to your WIFI network, enabling access to the internet and the PrivateEyePi server. 4CH relay - Smart WiFi, RF 433Mhz Remote Control and Bluetooth | Input Voltage: micro-USB 5VDC and DC or AC ZHOFONET 12v Remote Control Relay Switch, DC 12V-72V Wireless Switch 328ft Long Range, Waterproof Switch,40A Relay RF Remote Switches for Outdoor Light,Motor. RS-485, Bluetooth, Wi-Fi and Ethernet. Mobile App Control. Phone: (512) 539-9402 Use relays effortlessly with this simple two-part setup! Simply connect any device you want to test or activate to the relay module; then use the in-built phone app to control them whenever you want. My Baseline: Hi! It's been more than 10 years since I last played around with an Arduino, so the current multitude of boards and shields has kind of overwhelmed me (especially since it seems so much has changed). Control a wide range of home appliances and office equipment (lights, sockets, garage doors, curtains, security systems, radiators, air conditioners, etc. Operates Within Network Range. Two LEDs indicate relay operation. Web pages can be accessed by any browser to control relays for boards with 8 or fewer relays! NCD WiFi Relay controllers offer a popular solution for wireless relay control. Was: $20. Simply connect any device you want to test or activate to the relay module; then use the in-built phone app to control them whenever you want. Get fast shipping and top-rated customer service. An iZone Wi-Fi Bridge (COCB) is required to control an iZone Roller blind module: Dimensions: Height: 150mm (Excludes mounting lugs and antenna) / Width 85mm / Depth 36mm (Excludes Antenna) Works with Amazon Alexa, and Google Home and supports IFTTT on the Fastest and most Stable Platform available. Watchers. ) from anywhere with the smallest WiFi-operated relay switch, with Bluetooth connection Wi-Fi operated - Connects to your Wi-Fi network. ESP8266 2 Relay Module is a great way to add WIFI control to your existing electrical devices, or to create new IoT projects. Free shipping. We will use an Android app having 5+5 ON+OFF Buttons to send a signal to NodeMCU in order to control relay output. 25. Visit the Chatthen Store. Send TCP/IP commands over your local area network to control on-board relays. MirC Version - Sender Board Controls the Receiver Board - Contact Closure Inputs on Sender - Relays on Receiver; MirX Version - Each Device Controls the Other Device - Local Inputs Control Remote Relays - Remote Inputs Control Local Relays; Wireless Operation - Line of Sight Operation - 300' Standard Range - 1-Mile & 2-Mile Options - Multiple Web Relay Controller with 20 or 30 Amp Relays & Web Page Interface NCD WebRelay Ethernet Relay Controllers offer computer controlled switching and analog to digital conversion for external sensor monitoring. (Dry Switch) 4. 98 was - US $8. US $2. Bluetooth is NOT compatible with the iPhone, iPad or any Apple products. 11 interface. Two SPDT 10 Amp relays can be wired for motor reversing as shown in I use two coaxial relays which are controlled with a WiFi AC controller. MQTT is a lightweight messaging protocol ideal for IoT applications, allowing Wireless Key Fob relays are the ultimate in wireless relay, allowing you control relays with the touch of a button from a key fob you hold in your hand! You can have up to 8 relay on a boards and each relay can be controlled with it's own button on a key fob. $69. B Wi-Fi control All SUPLA products communicate over a wireless network. Make sure you have setup the esp-idf toolchain correctly and installed the mqtt library to the components/ folder of your esp-idf installation. The ‘Relay Index’ shows the corresponding relay on board. PC, phone tablet) Control up to 8 relay switches through the 16 pin GPIO header Making a WiFi MQTT controlled relay for Home Assistant Electronics 2017-08-31 6 min read. Works with Home Assistant, Domoticz and OpenHAB home automation systems as well as with Node-RED IoT platform. Thanks to this, you don't have to invest in expensive building automation controllers. This will allow us to control electrical devices from the Internet via HTTP. Hardware & Software needed Introduction. The best thing about this IoT Relay is that it can be controlled remotely in a local network using WiFi technology. GPIO0 needs to be grounded during power up or reset to go into program mode. Add to Cart. Wi-Fi 16 Relay Module can be accessed via Virtual Serial (COM) Port . The Wi-Fi interface will connect to your Wi-Fi network and control relays wirelessly. 1. High Production Capacity: GEYA’s manufacturing facility produces 200,000 smart circuit breakers per month, enabling us to meet large-scale demands efficiently. I could use some sanity checking to make sure I'm on the right track with regards to choosing the correct stuff to buy. Both can be remotely controlled over WiFi. Raspberry Pi using GPIO pins to control relays would be pretty solid. The model you're most probably are The Wi-Fi 16 Relay Module can control devices wirelessly. Connect Ground Pin of Since relays are switches, the terminology applied to switches is also applied to relays; a relay switches one or more poles, each of whose contacts can be thrown by energizing the coil. Flexible Use: Equipped with 8-channel ESP8266 WiFi relay module, ESP-12F development board and versatile AC/DC power supply. 00 Wi-Fi & Mobile Network Controlled Relays, Contactors and Valves High Current Relays with Analog Inputs for Sensor Monitoring and Manual Relay Control. Hi guys, I've been putting together a schematic in Eagle Cad for a couple of weeks now, which uses an ESP-12E MCU control 2 independent relays. 6KW), Tuya SmartLife app. 14. This tutorial demonstrates how to use a MKR WiFi 1010 and a MKR Relay shield with the Arduino Cloud. 3 out of 5 stars 251 ratings. Languages. After power on, the power led must be on and ready Hi Ladies and Gents, Sharing my simple project back to the Community. 99 delivery Nov 13 - 15 . C 32. Replace your 5V relay with a 3. - thomasjsn/WiFi-relays-for-ventilation Learn about relay's, WIFI and how to create and internet switch! Useing the Wemos D1 Mini (ESP8266) and the relay shield. Report repository Releases 4. 99. Control home appliances with Blynk web dashboard. 1 2 4 Way WIFI Relay Module 5V/12V ESP8266 WiFi Control Relay Board Convenient. 4CH relay - Smart WiFi, RF 433Mhz Remote Control and Bluetooth | Input Voltage: micro-USB 5VDC and DC or AC Below is the complete code to control the relays using a web interface: #include <WiFi. 213. Wi-Fi Controlled Relay - Works with Amazon Alexa or Android and iOS free eWeLink app. When the relays are energized the grounded relay opens and the other connects to the antenna. No Hub Required - Works with Alexa, Google Assistant and IFTTT. It will subscribe to the specified MQTT topic for receiving control commands. 5 kW. Power supply Figure 6. Power supply Depending on the selected model during purchase the power supply source for WiFi 16 Relay Module – TCP ModBus must be with voltage either 12VDC or 24VDC stabilized and filtered. Set relays to toggle, timer, or momentary The relay module shown in the previous photo has two connectors, each with three sockets: common (COM), normally closed (NC), and normally open (NO). The library files may need to be updated for other versions. $245. 43 $20. Control home appliances with manual switches. This 5V 2 Channel WIFI Relay Module works on the principle of a relay. Control home appliances with Bluetooth App if WiFi is not available. Smart relays are suited for simpler control tasks with limited I/O options, while PLCs (programmable logic controllers) can handle more complex automation processes, offer a broader range of connectivity, and support various programming languages. 0 out of 5 stars. It supplys 120 vac to two small 12v wall warts. This project allows you to control electrical devices remotely over a WiFi network using a web interface. Connect to it directly from any WIFI device (e. When the two relays are not energized, one shorts the antenna to ground and the other is open. Control appliances without WiFi from manual switches. To NCD Long Range Wireless Relay controllers make it easy to control relays up to 2 miles away using a wireless link between the USB port of your computer and a remotely stationed relay controller. 3 out of 5 stars. See preview. Ideal for home automation, IoT, lighting control projects, and much more. $26. It will be a USB relay when you plugged a USBBee. Model: WIFI-RELAY-10A-240V. Control Home appliances from Blynk App through the internet. We will use an The uSwitch is an ethernet web-controlled relay device that integrates with existing systems to keep your critical systems running. NC (Normally Closed): the normally closed configuration is used when you want the relay to be closed by default. Control Relays with & without WiFi using ESP32 With Internet. Ideal for switching over a WiFi connection, NCD WiFi relay controllers accept TCP/IP commands for relay control and command processing. Wifi controlled switch for 240v outlet . A WiFi-connected relay connects to your home or office WiFi network, and can be controlled remotely using any smart home control mobile app. The tutorial provides the fundamentals that you can easily and creatively modify to achieve multiple relay control via the web and redesign the web UI. I added simple Relay Switches to my HASS setup, using an Arduino Clone with builtin ESP8266 connected to a 4 Relay Switch Module. Control home appliances with manual switches or push buttons. 4. Also known as radio frequency relays, they are often used in applications that need to collect data from remote locations or where hardwiring is not possible or practical. 6KW | WiFi Tuya Smart Life quantity. Supported by DRMv3 Software. Smart Wi-Fi In Line Switch (max load 1000W), Order now. 07. IP Relay Control Modules Network transmission is achieved by modules installed on the board. Add to cart-Remove. NCD WiFi Relay Controllers are available with your choice of 1, 2, 4, or 8-channel options and 20-Amp SPDT or 30-Amp SPST High Power relays. You can also connect WiFi Relay WiFi Relay Control The NexGen WiFi is NCD's second generation WiFi communications module that modernizes connectivity by combining WiFi, Bluetooth, USB, and MQTT Communications into a single module. Set relays to toggle, timer, or momentary activation; Internet Controlled Lamp With ESP8266 Wifi Relay IoT: ESP8266 wifi relay (ESP01) IoT control a lamp Internet controlled electrical lamp with ESP8266 wifi (ESP01) IoT Internet controlled lamp with ESP8266 wifi relay IoT ESP8266 (ESP01) is a very low cost WiFi transceiver that can be added to any existin Our ethernet controlled relay device allows you to securely turn anything on or off as well as open doors, gates and even start vehicles from any computer. Install this Smart WIFI controlled relay swtich into any standard lighting circuit and contol the circuit with a smart Wireless relays and transmitters communicate with wireless signals to switch electrical equipment or machinery on and off. A sixteen channel ModBus TCP/UDP relay board with Wi-Fi 802. Set relays to toggle, timer, or momentary Shelly 1 PM Relay Switch, WiFi Smart Home Automation, Compatible with Alexa & Google Home, iOS Android App, No Hub Required, Wireless Light Switch, Smart Appliances Gadgets, UL, 2 Seeed Studio has recently launched a 2-channel Wi-Fi AC relay built around the XIAO ESP32C3 WiFI and Bluetooth module. 00 $ 275. Learn how to use ESP32 to control relay via Web, how to turn on/off a relay via web browser, how to program ESP32 step by step. WiFi-controlled relay firmware in CircuitPython Resources. It is tested on a Lolin S2 Mini board with CircuitPython 8. Its a small and dirt cheap device which has a inbuilt controller running at 80Mhz and with optional firmware it can be used as a stand alone device without In conclusion, we have learned how to create a WiFi-controlled switch using a relay and the ESP32 microcontroller. Thus opening you up to the world of IoT devices. Dedicated interfaces for Relays and GPIOs for configuration and control. ESP8266 is easily available as a module. Control Home appliances from TV Remote (Infrared). Make a Wi-Fi Relay Controller for IoT projects and automate tasks easily. Control Anything Anywhere, Anytime Over the Web or Network. 98. Required Control channels: 1 On/Off Relay Channel: Operational temperature: 0°C to + 40°C: Intelligent On/Off: Yes: Local and smart control: Yes: Sunrise/Sunset timer: Yes: The Shelly 1PM Plus WiFi Relay Switch module with Bluetooth can control 1 electrical circuit up to 3. ) What are the current requirements of the relay, and what is the max current you can draw out of the Wemos? How are you powering the WiFi Relays. 44 to $12. Here in this article, we will go through steps to control relay from a webpage using NodeMCU accessing it via its IP address. Relay output has 3 contacts normally closed, normally open, and common. 3V relay. 00 Wi-Fi & Mobile Network Controlled Relays, Contactors and Valves Single Channel ESP8266 ESP-01S WiFi Controlled Relay Module Smart Home Mobile APP Remote Control Switch Description: It is designed based on ESP-01/01S WIFI module and can be used for DIY’s own intelligent switch. 10% off A WiFi relay module has the same working principle, and can easily be controlled by a WiFi signal. This is a Wi-Fi controlled relay board with 16 channels up to 10A / 250VAC each. Add Time Schedule Relay at a Glance 2 Relays Installed on a Circuit Board; Onboard Ethernet Interface Module - Plugs Directly into Router; Integrated Real Time Clock - Board Knows Time & Day - Control Relays Based on Time WiFi Relay Board with Solid State Relays NCD WiFi Relay Controllers are available with your choice of 1, 2, 4, or 8-channel options and 5 or 10 Amp general purpose relays. To be able to control everything from the computer, you might want to read about X10 Computer Interfaces from OpenRemote web site. Click on the “Relay” link on the menu bar to access Relay configuration page. 93 $ 26. Configure and Schedule activation dates, days of the week, start times, duration, and geo-fence to name but a few. Simple control electrical devices wirelessly from PC, Laptop, Smartphone or even via Internet. My intention is to use these switches controlling my Sprinklers, and any free relay will be used for controlling the garden lights. 3 4. This project is a great way to control your home appliances remotely, and can be The Wi-Fi network connectivity permits control of the load through an interactive user interface on your smartphone, tablet or computer. 4G Hz / RF WiFi 16 Relay Board TCP ModBus Controlled - User Manual 21 Aug 2017-10- 5. It can provide APP and LUA source programs through remote control of mobile APP. 4 out of 5 stars 2,319 Stringent Quality Control: GEYA’s Smart WiFi Circuit Breakers undergo a 100% quality control inspection rate, ensuring a failure rate of less than 0. Relay is a very important Wi-Fi Controlled Light Duty Brass Valve (110V) - Works with Amazon Alexa or Android and iOS free eWeLink app. g. Any suggestions appreciated. Available with mechanical or solid state relays. Create a dashboard to remotely control the relays. You can control, monitor the current status of the switches from anywhere in the world from the Alexa App. Via Wi-Fi, you can connect to devices from anywhere on earth. $19. Wi-Fi Controlled Multi Relay System (120V) - Works Amazon Alexa or Android and iOS free eWeLink app. Selecting an Android Relay Circuit board and relays, mounted on DIN rail — in plastic enclosure. Ethernet, To make this wifi relay you will need: An Esp8266, which can be program like an arduino and have wifi built in An USB to TTL converter for programming the esp8266 2 relays 220vac control by 12v 2 transistors TIP122 6 diodes IN4007 DieseRC 2 Channels WiFi Smart Switch, DC 5V 12V 24V 36V Passive Output Relay Module Ewelink APP WiFi Control Compatible with Alexa/Google Home, Inching/Self-Locking Switch. 00 Original price was: R490. US $ 2. $4. Smart control module operates for lights, appliances and motorized facilities. There are 16 SPDT relays on the board that can be controlled over Ethernet. Shelly’s are designed to be installed behind a standard wall switch and will give you wifi control over that load. It's a neat little board wi with this device you can control up to 16 switch you want from 0 to 240v, with your Smartfone: iPhone, iPod, iPhone, Android, or with a PC via Wi-Fi or Int WiFi-operated 16A relay switch. Put simply, we adore this technology and we think you will too. Diymore 4 Channel WIFI Wireless Relay Delay Switch Control Momentary Inching Relay,Smart Switch Module,Self-lock Switch Module for DIY Smart Home Remote Control(5-32V) DONJON Wireless Remote Switch,DC 12V/24V48V/72V 30A Remote Control Relay Switch with 328ft Long Range for Car Anti-Theft Alarms,Security Systems Roller Lind Door,Gate Introduction. The ESP32’s Wi-Fi capabilities allow it to connect to the internet, providing a pathway for remote control. Ready to use, simple and convenient. 90. Highly Integrated Wi-Fi-Capable System-on-Chip ESP8266 At the heart of this Wi-Fi controlled temperature activated relay sits an ESP-12F module built on the famous ESP8266EX, flanked by a 4-MB serial flash memory. de Sketch is developed with PlatformIO. Optionally, ADC inputs may be used to take manual control of on-board relays. Model: WIFI-RELAY-10A-120V. WiFi relay controllers are cross-platform compatible, as all operating systems WiFi Switch, eMylo Smart WiFi Relay Switch Wireless Light Remote Control Module for Smart Home Automation Compatible with Alexa Google Assistant Wi-Fi Controlled Relay - Works Amazon Alexa or Android and iOS free eWeLink app. FREE Delivery by Amazon. Pressure Switch, Temperature Swi. VOICE CONTROL: This wireless switch works with Amazon Alexa and Google Home to manage your devices Our WiFi Relay boards makes it easy for computers of all types to control relays and monitor analog inputs. During the article, I have shown all the steps to make this smart home system. iqmfr hgpcz piibp ces damej ibcbhl besiqyv oshy tnm tzfbz