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LC Technology DC5-60V 4 Channel Relay Board (ESP32_Relay_X4)
LC Technology DC5-60V 4 Channel

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





Install method:
USB to Serial

GPIO #Component
GPIO00 User
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 User
GPIO05 User
GPIO09 User
GPIO10 User
GPIO12 User
GPIO13 User
GPIO14 User
GPIO15 User
GPIO16 User
GPIO17 User
GPIO18 User
GPIO19 User
GPIO20 None
GPIO21 User
GPIO22 User
GPIO23 User
GPIO24 None
GPIO25 Relay 3
GPIO26 Relay 4
GPIO27 User
GPIO6 None
GPIO7 None
GPIO8 None
GPIO11 None
GPIO32 Relay 1
GPIO33 Relay 2
GPIO34 User
GPIO35 User
GPIO36 User
GPIO37 None
GPIO38 None
GPIO39 User
Configuration for ESP32
{"NAME":"ESP32_Relay_X4","GPIO":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,226,227,1,0,0,0,0,224,225,1,1,1,0,0,1],"FLAG":0,"BASE":1}

TX/RX header holes available next to ESP32