LeapFrog Pollux Platform: Hardwire Serial Connection

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The serial console (115200 8N1) comes out to the cartridge connector.

  • Counting from the right
    • tx comes out on pin 12
    • rx on pin 11.

The UART is using +3.3V TTL level which means you will need a RS232_Level_Shifter or use one of the following usb->rs232 breakout boards:

Picture from Claude Schwarz’s BLOG