Open-source firmware for Drapow SK-25 development board based on OpenBK7231N platform. Versatile, low power, and customizable.
To upload the firmware to the Drapow SK-25 board using a CH341A programmer, make the following wiring connections:
CH341A Programmer | Drapow SK-25 (OpenBK7231N) |
---|---|
3.3V | 3.3V |
GND | GND |
GND (Shorted during upload) | CSN |
TX | RX |
RX | TX |
Note: The CSN pin on the Drapow SK-25 should be shorted to GND during the upload process to ensure the correct operation.