04-28-2024, 10:12 PM
check RS232 cable whether have good contact.
when AK board running, the LED will blink, if not "blink" , you can try to download firmware.
another test way : you can try to connect cable with RS485, not use RS232. then make sure your AK and H32B Pro's RS485 config setting is same.
when AK board running, the LED will blink, if not "blink" , you can try to download firmware.
another test way : you can try to connect cable with RS485, not use RS232. then make sure your AK and H32B Pro's RS485 config setting is same.