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KTNN-KG-T100 2 Gang Switch Switch (KTNN-KG-T100)
UK
KTNN-KG-T100 2 Gang Switch

Available from:
Amazon.co.uk







Install method:
USB to Serial

GPIO #Component
GPIO00 Button1
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 None
GPIO05 Relay2
GPIO09 Button2
GPIO10 None
GPIO12 Relay1
GPIO13 Led1i
GPIO14 None
GPIO15 None
GPIO16 None
FLAG None
Configuration (old format, will be converted to new template when applied)
{"NAME":"Sonoff T1 2CH","GPIO":[17,255,255,255,0,22,18,0,21,56,0,0,0],"FLAG":0,"BASE":29}

All three gang models are equivalent to the Sonoff T1 xCH models and all three gang types have 3 physical buttons in them, just configured by resistors on the daughter board, plus all 3 gang types have all the relay driver circuity in them, just only fitted with the equivalent gang amount of relays. The older -A3 model has the easy access PSF-B04 ESP board in them, the newer -B3 models what appears to be a custom ESP board in them (label of SM-001 v1 see photo) which is much harder to get access, best method is to remove front switch daughter board..

Pictures for reference…

Pinout

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