Owner's Manual

1. SP3232 RS232 transceiver
2. Raspberry Pi Pico header
3. RS232 bus interface
2-channel RS232 (DB9 male connector is also available through adapter cable)
4. TVS diode
5. ESD diode
6. UART status indicators
RXD0/TXD0: Channel 0 RX/TX indicators
RXD1/TXD1: Channel 1 RX/TX indicators
Pinout Definition: