![Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics](https://m.media-amazon.com/images/I/61lbAlOgS2L.jpg)
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics
![WIFI Wireless Transceiver Module for Arduino Raspberry Pi ESP8266 Relay with ESP8266 ESP-01S Serial - Ideal Supply Inc (dba Ideal Blasting Supply) WIFI Wireless Transceiver Module for Arduino Raspberry Pi ESP8266 Relay with ESP8266 ESP-01S Serial - Ideal Supply Inc (dba Ideal Blasting Supply)](https://cdn11.bigcommerce.com/s-cru6v6697o/images/stencil/1280x1280/products/8639/17022/wifi_relay__70122.1594130146.jpg?c=2)
WIFI Wireless Transceiver Module for Arduino Raspberry Pi ESP8266 Relay with ESP8266 ESP-01S Serial - Ideal Supply Inc (dba Ideal Blasting Supply)
![WIFI Wireless Transceiver Module for Arduino Raspberry Pi ESP8266 Relay with ESP8266 ESP-01S Serial - Ideal Supply Inc (dba Ideal Blasting Supply) WIFI Wireless Transceiver Module for Arduino Raspberry Pi ESP8266 Relay with ESP8266 ESP-01S Serial - Ideal Supply Inc (dba Ideal Blasting Supply)](https://cdn11.bigcommerce.com/s-cru6v6697o/images/stencil/455x455/products/8639/17023/wifi_receiver_arduino__29350.1594130154.jpg?c=2)
WIFI Wireless Transceiver Module for Arduino Raspberry Pi ESP8266 Relay with ESP8266 ESP-01S Serial - Ideal Supply Inc (dba Ideal Blasting Supply)
![Controlling Any Device Using a Raspberry Pi and a Relay Module : 6 Steps (with Pictures) - Instructables Controlling Any Device Using a Raspberry Pi and a Relay Module : 6 Steps (with Pictures) - Instructables](https://content.instructables.com/FZN/6JOU/IKCV3GLJ/FZN6JOUIKCV3GLJ.jpg?auto=webp)
Controlling Any Device Using a Raspberry Pi and a Relay Module : 6 Steps (with Pictures) - Instructables
![Amazon.com: Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield : Electronics Amazon.com: Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield : Electronics](https://m.media-amazon.com/images/I/31d3DLX1ubL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield : Electronics
![Industrial 6-Channel Relay Module for Raspberry Pi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation | RPi Zero Relay Industrial 6-Channel Relay Module for Raspberry Pi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation | RPi Zero Relay](https://www.waveshare.com/media/catalog/product/r/p/rpi-zero-relay-1.jpg)