Arduino and Digital Input/Output Devices
Rajesh Singh, Anita Gehlot, Bhupendra Singh, Sushabhan Choudhury · 2017
This chapter describes the Arduino interfacing with digital I/O devices such as the push button, fire sensor, passive infrared (PIR) sensor, and an alcohol sensor. The working of the devices is discussed with the help of interfacing circuit, program and proteus simulation models.