Read, enjoy, and discover… RS-422 is an advanced version of RS-232 (https ... now play with RS-422 and Arduino as well. The most common, cheap, and widely known module available for this application ...

Therefore, I'm using a MAX232 chip to convert from TTL to RS232 ... output from the Arduino, which requires GND (Pin 8), +12V (Pin 7), and the Tx output from the MAX232 connected to the Rx input of ...

RFID (short for Radio Frequency Identification) tagging is an ID system that uses electromagnetic waves in radio frequency to transfer data. A simple RFID system consists of just two components: the ...