http://www.lilygo.cn/prod_view.aspx?TypeId=50033&Id=1321&FId=t3:50033:3
The Pins are un-numbered. So I adopted a convention:
They run from top left (GND) as 1 to bottom left (VBUS) and then from bottom right (5V) to top right (IO00).
| LilyGo | MPU |
|---|---|
| VDD3V3 (14) | VCC |
| GND (15) | GND |
| IO20 (23) | SCL |
| IO19 (24) | SDA |
| LilyGo | Buttons |
| VDD3V3 (13) | VCC |
| GND (1) | GND |
| IO8 (32) | LEFT |
| IO7 (33) | RIGHT |
| IO6 (34) | DOWN |
| IO5 (35) | UP |
Looking on to the pinheader, solderside down
| IO0 | GND | NC | VCC | RX | TX | EN |
|---|---|---|---|---|---|---|
| DTR | GND | NC | VCC | TX | RX | RTS |
pipenv run bokeh serve visualisation --args --fft fft.data