UART Framework Expansion Card

This is an Framework laptop expansion card allowing for 3.3V TTL serial communication. 3.3V TTL signals can be connected to its JST XH connector or just by using standard 0.1″ jumper cables.

Only non-insulated 3-pin 3.3V TTL interface is supported (RXD GND TXD).

You can purchase the expansion card in the store.