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ESP-12F DC 5V/12V/24V 16 Channel Relay Board (ESP12F_Relay_X16)
ESP-12F DC 5V/12V/24V 16 Channel

Available from:
Aliexpress.com







Install method:
USB to Serial

GPIO #Component
GPIO00 User
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 User
GPIO05 Button_id 1
GPIO09 User
GPIO10 User
GPIO12 Button_d
GPIO13 Input
GPIO14 Switch_d
GPIO15 User
GPIO16 User
GPIO17 User
Configuration
{"NAME":"ESP12F_Relay_X16","GPIO":[1,1,1,1,1,7712,1,1,7680,7648,7744,1,1,1],"FLAG":0,"BASE":18}

This device uses two 74HC595 serial registers to control the relays, which are not enabled in default builds. Therefore you need to compile your own Tasmota binary, enabling USE_SHIFT595 setting.