ESP32 4 Channel Relay Board (ESP32R4)
ESP32 4 Channel

Available from:


Install method:
Tasmota pre-installed

GPIO #Component
GPIO00 None
GPIO01 None
GPIO02 User
GPIO03 None
GPIO04 User
GPIO05 User
GPIO09 None
GPIO10 None
GPIO12 User
GPIO13 User
GPIO14 User
GPIO15 User
GPIO16 User
GPIO17 User
GPIO18 User
GPIO19 User
GPIO20 None
GPIO21 None
GPIO22 None
GPIO23 User
GPIO24 None
GPIO25 Relay 1
GPIO26 Relay 2
GPIO27 None
GPIO6 None
GPIO7 None
GPIO8 None
GPIO11 None
GPIO32 Relay 4
GPIO33 Relay 3
GPIO34 Button 1
GPIO35 Button 2
GPIO36 Button 3
GPIO37 None
GPIO38 None
GPIO39 Button 4
Configuration for ESP32
{"NAME":"RobotDyn ESP32R4","GPIO":[0,0,1,0,1,1,0,0,1,1,1,1,1,1,1,1,0,0,0,1,0,224,225,0,0,0,0,0,227,226,32,33,34,0,0,35],"FLAG":0,"BASE":2}
This device comes with Tasmota already installed!

Additionally see the asociated expansion module https://rocketcontroller.com/product/relays-expansion-module-8-relays-for-esp32r4-controller/ where maximum of 3 devices can be controlled by Tasmota.