BOARD ~ Nano
Brochage
The “RS-232” label for the TXD/RXD pins is a mistake. These are serial ports, but they are TTL (0/5VDC), not RS-232 (-12VDC/+12VDC).
The “RS-232” label for the TXD/RXD pins is a mistake. These are serial ports, but they are TTL (0/5VDC), not RS-232 (-12VDC/+12VDC).