Serial console: Blue color line: Tool Pin TXD, orange color: Tool Pin RXD, black: Tool Pin GND How to boot from SD card? After power on, quickly press the Function key 3 times in 2 seconds, then release the key. More at official manual.
Serial console: Blue color line: Tool Pin TXD, orange color: Tool Pin RXD, black: Tool Pin GND How to boot from SD card? After power on, quickly press the Function key 3 times in 2 seconds, then release the key. More at official manual.