RISC-V core, main frequency 160Mhz

FLASH: 4MB

Supported development frameworks: ESP-IDF, MicroPython, for Arduino

Description of peripheral devices on the board:

1. Blue LED: GP108, effective at low level

2. USB: DP GP1019, DN GP1018

3. Debugging serial port printing using USB Serial

Method to enter burning mode:

Press and hold the BOOT key, then click the EN key, and release the B00T key