Pinout WEMOS D1 MINI

Flash Tasmota with esptool and USB to serial adapter

Tasmota Tutorial

https://tasmota.github.io/docs/Getting-Started/#__tabbed_1_3

Download the correct firmware (ESP8266)

Make sure that you download the right .bin for ESP
https://ota.tasmota.com/tasmota/

Flash with USB to serial adapter

1. Install Python
2. Open CMD as Admin
3. python --version -> python version should be visible
4. pip --version -> pip version should be visible
5. python -m esptool --port COM4 read_flash 0x00000 0x100000 fwbackup.bin
6. python -m esptool --port COM4 erase_flash
7. python -m esptool write_flash 0x0 tasmota32.factory.bin
8. Config Tasmota (MQTT, Other, Module -> set GPIO)