No Brand Chinese Smart Wifi Wall Switch Flash Adapter
Description
This is an adapter to facilitate flashing a Chinese Wifi Smart wall switch without the need to do any soldering. This is the link for the switch, the adapter fits the 86mm switch that does not require a neutral cable in the switch box https://www.ebay.co.uk/itm/3-Gang-Smart-Wall-Switch-Home-WiFi-Touch-LightPanel-For-Echo-Alexa-Google-Home/264128467308 You will also need some pogo pins These are the ones I used https://www.ebay.co.uk/itm/50pcs-P75-B1-Dia-1-02mm-100g-Cusp-Spear-Spring-Loaded-Test-Probes-Pogo-Pins-new/163448778458 You may need to ream the holes out with a 1mm drill bit The pads are as far as I can tell, as follows Pad 1 - GPIO0 Pad 2 - 3.3v Pad 3 - GND Pad 4 - RX Pad 5 - TX I have included the Fusion 360 file if you need to adapt it for different size pogo pins etc I can confirm this works, I have flashed about 5 of these switches now following DrZzs method https://www.youtube.com/watch?v=KMiP9Ku71To I have only flashed 1 and 2 channel switches, and set the Tasmota module to Sonoff T1 1 or 2 channel according to the switch. I have not flashed a 3 channel switch so cannot confirm if that works too. After MQTT is configured the switches work pretty much as you would expect them to, the only slight issue I have noticed is that on a 2 channel switch if only 1 of the switches is on the blue led indicating off for the other channel does not light up. Please flash at your own risk
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