Many boxes offer solder pads/holes marked with GND, TX, RX, VCC (or 3V). In my case the Tanix TX3 shows these 4 pads, so I soldered a 4 pin header into it and connected a USB-Serial adapter (FTDI): ...
Many boxes offer solder pads/holes marked with GND, TX, RX, VCC (or 3V). In my case the Tanix TX3 shows these 4 pads, so I soldered a 4 pin header into it and connected a USB-Serial adapter (FTDI): ...