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Picture of 8 Channel I2C Electromagnetic Relay Module Arduino Raspberry 3.3V 5.0V DIN

8 Channel I2C Electromagnetic Relay Module Arduino Raspberry 3.3V 5.0V DIN

$46.99 $29.99

Picture of 16 Channel I2C Relay Electromagnetic 3.3V 5.0V Smart Home Assistant ESP32 ESP826 Chip is pcf8575

16 Channel I2C Relay Electromagnetic 3.3V 5.0V Smart Home Assistant ESP32 ESP826 Chip is pcf8575

$88.99 $64.99

Picture of 16 Channel I2C Solid State Relay for Arduino Raspberry SSR 2A 120 240V with PCF8575 chip

16 Channel I2C Solid State Relay for Arduino Raspberry SSR 2A 120 240V with PCF8575 chip

$88.99 $55.99

Picture of 4 Channel I2C Relay Electromagnetic 3.3V 5.0V Smart Home Assistant ESP8266 ESP32

4 Channel I2C Relay Electromagnetic 3.3V 5.0V Smart Home Assistant ESP8266 ESP32

$33.99 $26.99