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ESP-12F 5V/7-28V 4 Channel 30A Relay Board
Model reference: ESP12F_Relay_30A X4
ESP-12F 5V/7-28V 4 Channel 30A

Available from:
Banggood.com
Aliexpress.com





Install method:
USB to Serial

GPIO #Component
GPIO00 User
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 Button 1
GPIO05 User
GPIO09 User
GPIO10 User
GPIO12 Relay 3
GPIO13 Relay 4
GPIO14 Relay 2
GPIO15 User
GPIO16 Relay 1
GPIO17 User
Configuration
{"NAME":"ESP12F_Relay_30A_X4","GPIO":[1,1,1,1,32,1,1,1,226,227,225,1,224,1],"FLAG":0,"BASE":18}

Just like the ESP12F_Relay_X4, but with 30A relays.

Flashing is straight forward. Solder on the supplied headers and hookup your flasher.