Last Updated or created 2022-04-01
A while back i printed a PCB holder, perfect for accessing contacts on a print, without the need for soldering.
Flashed a doorsensor with Tasmota.
esptool.py --port /dev/ttyUSB0 write_flash -fs 1MB -fm dout 0x0 tasmota.bin
Keep GND and VCC connected, to keep device awake. Else it’s going into sleep mode.
Pull GPio0 to GND @ boottime, to get into flash mode.
3v3 + GND to keep device alive for configuring.