Arduino 74HC165, Arduino 74HC165 interfacing, 74hc165 arduino, increase input pins arduino, arduino input pins Hello friends, I hope you all are doing great. In today's tutorial, I am going to do an Arduino 74HC165 Interfacing and we will have a look at How to increase Input Pins of Arduino. 74HC165 is a shift register and works on the principal of Parallel In Serial Out. In my previous tutorial Arduino 74HC ....