If you’re on cable internet, chances are you probably pay a monthly fee to your service provider to rent one of their modems. However, this fee can be eliminated by simply bringing your own modem and ...

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 ...