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Device Type:relay
Electrical Standard:global
Board:esp8266
Difficulty:Plug-n-flash (2/5)

Sonoff RE5V1C - 5V Relay Module

Product Images​

Product Image PCB Top PCB Bottom

Specification​

  • Power Supply: 5V DC
  • Dry contact output
  • Max Current: 10A
  • Humidity: 5%-90%RH, Non-condensing
  • Operating Temperature: 0ºC-40ºC(32°F-104°F)
  • Nano size: 34.52519mm

Notes​

  • For programming use ERX/ETX - marked on image
  • Red LED connected to Relay operated by GPIO12
  • Green LED operated by GPIO13
  • More GPIO available on top of PCB

GPIO Pinout​

Wired on board​

PinFunction
GPIO00Button
GPIO12Relay, Red LED
GPIO13Green LED

On Top of PCB​

PinNameComment
GPIO02I02
3V3
GPIO04RXPWM out
GPIO05TX
GND
GPIO03ERXU0RXD
GPIO01ETXU0TXD

Board Configuration​

esphome:
  name: Sonoff RE5V1C

esp8266:
  board: esp8285
  restore_from_flash: true

logger:
  esp8266_store_log_strings_in_flash: False