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UART Expansion Card

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USB-C to UART adapter

This expansion card utilizes the CH340C as the main component, has a switchable voltage and logic level between 3.3V and 5V via the jumper included, this has one pin header to be used with the jumper and a 6 position pin socket that has GND, CTS, VCC, TX, RX, DTR broken out to the socket.

This expansion card will include:

  • Assembled expansion card with a 3D printed case
  • Two jumpers or more