As mentioned i have a circuit that transmits data through light(VLC) and receives it through phototransistor. The aim is to transfer a file from one PC to another PC hence we used a serial port DB9 ...

[Zibri] found a very simple method for using brain waves as a controller via a DB9 serial port. He’s using Uncle Milton’s Force Trainer which we saw yesterday in the brain controlled Arduino. In that ...

The DeviceMaster RTS 4P2E is the 4-port model of Comtrol’s popular line of industrially-focused DIN-rail mount serial device servers. Packaged in a compact, rugged housing, the RTS 4P2E model provides ...

The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...

Makers, developers and hobbyists that wish they had more serial ports on their Raspberry Pi mini computer might be interested in a new Raspberry Pi UART Hat that has been created by Salicon ...