Differences Between RS485 2W and RS485 4W Touchscreen Serial Interfaces
We see that this touchscreen serial interface has RS485 as well as RS232. Here, we will briefly explain and distinguish between the serial interfaces RS485/RS232/RS422. RS232:Is a three-wire communication (1 transmitting wire, 1 receiving wire, and 1 common wire which is the reference ground GND). RS422:Is a four-wire communication (1 for transmitting +, 1 for … Read more