{{tag>[esp tuya]}} # Zemismart WiFi Roller Shade Contains a [[https://developer.tuya.com/en/docs/iot/device-development/module/wifi-module/we-series-module/wifie1smodule?id=K9605thnvg3e7|TYWE1S]]. ## tuya-convert Fails OTA flashing using [[https://github.com/ct-Open-Source/tuya-convert/issues/483|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