(Cable colors are from the Pylonmon adapter)
| ESP32 | Serial Converter | Color |
|---|---|---|
| GND | GND | Green |
| 3.3v | Vcc | White |
| TxD | TxD | Gray |
| RxD | RxD | Pink |
| ESP32 | Serial Converter |
|---|---|
| GND | GND |
| 5v | 5V |
| Tx0 | RxD |
| Rx0 | TxD |
The jumper on the Serial Converter must be set to 5V (not 3.3V).
Before flashing, IO0 must be connected to GND, then power on. This will activate Flash mode upon power-up.