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LilyGO TTGO 4 Channel ESP32 Relay Board (T-Relay)
LilyGO TTGO 4 Channel ESP32

Available from:
Aliexpress.com
Banggood.com
Amazon.com



Manufacturer:
Lilygo.cn

Install method:
USB to Serial

GPIO #Component
GPIO00 None
GPIO01 None
GPIO02 User
GPIO03 None
GPIO04 User
GPIO05 Relay 4
GPIO09 None
GPIO10 None
GPIO12 User
GPIO13 User
GPIO14 User
GPIO15 User
GPIO16 None
GPIO17 None
GPIO18 Relay 3
GPIO19 Relay 2
GPIO20 None
GPIO21 Relay 1
GPIO22 User
GPIO23 User
GPIO24 None
GPIO25 LedLink
GPIO26 User
GPIO27 User
GPIO6 None
GPIO7 None
GPIO8 None
GPIO11 None
GPIO32 User
GPIO33 User
GPIO34 User
GPIO35 User
GPIO36 User
GPIO37 None
GPIO38 None
GPIO39 User
Configuration for ESP32
{"NAME":"T-Relay ESP32","GPIO":[0,0,1,0,1,227,0,0,1,1,1,1,0,0,226,225,0,224,1,1,0,544,1,1,0,0,0,0,1,1,1,1,1,0,0,1],"FLAG":0,"BASE":1}

Board cannot be flashed via the USB port without the LilyGO T-U2T USB to serial adapter.