The most common method for sharing data between devices is via a digital means of communications. Several standard buses implement such methods, with the main differences between them being data rate ...

2) And, is it possible to drive more than 32 unit loads? To answer the first question we look at a typical RS-485 data link shown in Figure 1. Figure 1. Typical RS-485 data link. Observe that, in ...

RS-232 was the PC serial communications standard for many years. Hardware and software support for this simple, yet effective, interface was included on every PC made until it was eventually replaced ...