Athom 2CH Relay Board (R2-ESP)

esp32 global Comes with ESPHome relay
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Athom 2CH Relay Board (R2-ESP) - athom-2ch-relay.webp

Overview

Maker: https://www.athom.tech/ Product page: https://www.athom.tech/blank-1/2ch-inching-self-lock-relay-for-esphome Also on Aliexpress, available pre-flashed with ESPHome or Tasmota.

Description

A 2-relay board with an ESP32-WROOM-32E. Built-in RF433 receiving module Onboard buttons to control each relay Built-in CH340 serial port chip, can realize arbitrary programming Each relay has COM/NO/NC terminals and is rated for a 10A max load. The board can be powered either via 7-30 VDC or 5 VDC (separate terminals and Type-C).

GPIO Pinout

PinFunction
GPIO36Button1
GPIO39Button2
GPIO27Relay1
GPIO14Relay2
GPIO15Led
GPIO16RF33

Basic Configuration

The Latest configuration can be found on Athom’s GitHub repo.