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beardedfool 2019-10-09 19:39:29 +01:00
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DM_WF_MDV4.md Normal file

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This Device is based on a Tuya Wi-Fi Module. Refer to ["MCU Based Tuya Dimmers and Switches"](MCU-Based-Tuya-Dimmers-and-Switches) for details.
![DM_WF_MDV4 Dimmer and Case](https://wiki.richmondmakerlabs.uk/images/5/57/Dimmer_front.jpg)
This is a 240V Leading Edge Dimmer with a TYWE3S controller and an STM8 MCU
### Flashing:
The NRST pin of the STM8 needs to be grounded upon boot to disable it, this is brought out to a header pin, along with ground and VCC from the TYWE3S. Confirm by checking continuity with a multimeter
IO0 from the TYWE3s also needs to be grounded upon boot, otherwise it's normal tasmota flashing procedure.
![TYWE3S](https://wiki.richmondmakerlabs.uk/images/0/04/TYWE3S.png)
![STM8 pins](https://wiki.richmondmakerlabs.uk/images/9/97/STM8S003F3P6.png)
Config:
As per main TuyaMCU page using
GPIO | Component
:-:|-
01 | Tuya Rx (108)
03 | Tuya Tx (107)
### More information:
Bought from [ebay https://www.ebay.co.uk/itm/Smart-Wifi-Dimmer-Switch-Support-Tuya-Smart-Life-LED-Light-Timing-Remote-Control/233233166207]
[More info on TYWE3S https://docs.tuya.com/docDetail?code=K8uhkbb1ihp8u]