Simple Opto-Isolator board with only two channels to isolate RX and TX on UART communication lines. Both sides have FTDI style connectors but only GND, VCC and RX/TX are used. CTS and DTR are not connected. Also both sides need to have a separate power supply.
- FTDI style headers on both sides
- Two channels – one in each direction
- Speed up to 9600bps
- Both sides need a separate power supply
- Bare PCB: 3€
- Pre-assembled: 10€