Vim3 and Vim1 wont boot when RP2040 connected to UART0

Which Khadas SBC do you use?

VIM3 and VIM1S

Which system do you use? Android, Ubuntu, OOWOW or others?


Which version of system do you use? Khadas official images, self built images, or others?

Khadas official

Please describe your issue below:

I have connected a RP2040 nano (waveshare) to the GPIO, with 5v (pin1 on VIM) , gnd (pin 5 on VIM), and Rx (pin 15 on VIM) to TX on RP2040, Tx (pin 16 on VIM) to Rx on RP2040.

When I power up, the RP gets power and the VIM comes alive - but it stays on the boot screen (showing the Khadas logo) forever… If I disconnect the two serial wires, and reset the VIM, everything works fine…

How can this be? Am I using the correct gpio pins on the VIM?

My own theory - The VIM senses the connection with the serial of the RP2040 and awaits some command before it continues?

Post a console log of your issue below:

**Delete this line and post your log here.**

Hello @Jesper_Andersen

Do you have a chance to capture the log from serial debug console?