This is 3 pieces of 5V 1-channel relay modules that work with Arduino, ESP32, ESP8266, Raspberry Pi, or any 5V or 3.3V microcontroller. A single package includes 3 pieces of relay modules.
Arduino Alexa Skillsesp8266 Wifi Relay Module 5v 1ch For Arduino
DIYables Sensor Kit for Arduino, ESP32, ESP8266, Raspberry Pi
Arduino Alexa Skillsesp8266 Wifi Relay Module 5v 1ch For Arduino
8-relay module 5V with optocoupler low-level trigger compatible
he control DC or AC signal, you can control 220V AC load. Supply Voltage: 5V Quiescent Current: 4mA Working Current: 65mA Trigger Voltage: 0-2V
AITRIP 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi ARM AVR
8-relay module 5V with optocoupler low-level trigger compatible
DIYables 2-channel Relay Module 5V for Arduino, ESP32, ESP8266
DIYables LDR Light Sensor Module for Arduino, ESP32, ESP8266
3v Relay Board for Raspberry Pi Arduino Relay Module 1
ESP32 Relay Module - Control AC Appliances (Web Server)
Arduino Alexa Skillsesp8266 Wifi Relay Module 5v 1ch For Arduino
ACROBOTIC 2-Channel Relay Board AC250V 10A Dc30v 10A for Arduino Raspberry Pi ESP8266
DIYables Relay 5V 1-Channel for Arduino, ESP32, ESP8266, Raspberry Pi
DIYables Relay 5V 1-Channel for Arduino, ESP32, ESP8266, Raspberry Pi