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ESP12F 220V 10A 7V-30V DC Relay
ESP12F 220V 10A 7V-30V DC

Available from:
Banggood.com
Aliexpress.com






GPIO #Component
GPIO00 Button1
GPIO01 User
GPIO02 Led1
GPIO03 User
GPIO04 Relay1
GPIO05 Switch2
GPIO09 None
GPIO10 None
GPIO12 Relay2
GPIO13 None
GPIO14 None
GPIO15 None
GPIO16 None
FLAG None

Template

{"NAME":"Yunshan 10A","GPIO":[17,255,52,255,21,10,0,0,22,0,0,0,0],"FLAG":0,"BASE":18}

Can be found on Amazon under various brands:

This device is supported directly in the firmware by selecting module “Yunshan Relay (33)” or using command Module 33 Note* Not sure the input feedback will work by selecting module name. See template above for GPIO 5 and 8.

More in depth article on Arduino++ blog.