Although a “CommsLink” module providing an RS-232 port was available back in the day, it’s become hard to find, inspiring [James] to design a completely new module based on an Arduino Nano.

With Omega Engineering’s Model WRS232-USB universal wireless RS-232-to-USB transceiver, you can make any RS-232 device wireless. Simply connect the wireless transmitter module to the device’s RS-232 ...

The Model WRS232 universal wireless RS-232-to-USB transceiver interfaces to any RS-232 device and makes it wireless. Connecting the unit to an RS-232 device, the wireless receiver ...

With data transfer rates up to 920 kb/s (RS-232) and 2,000 kb/s (RS-422/485), the 32-pin FT8U232AM single-chip USB UART transfers serial data over the Universal Serial Bus. The ...