Table of Contents

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Zemismart WiFi Roller Shade

Contains a TYWE1S.

tuya-convert

Fails OTA flashing using tuya-convert.

Identifying Markings

Name Location Value
Shell Back 201103M0235991
Model PCB Front CCB-20
Model PCB Back CCB-20-523
PCB Back 20102301960
PCB Back xl3

Serial access

Through hole pins (from PCB reverse)

Pin 1 2 3 4
Purpose ? GND ? V+

Note pinout for U0TX, U0RX, and IO0 on https://fccid.io/2ANDL-TYWE1S/User-Manual/User-Manual-3695972.pdf

Tasmota config

https://templates.blakadder.com/zemismart_YH002.html