Contents presented in the Microcontrollers Laboratory Course; Microcontrollers used: Arduino UNO R3 & DOIT ESP32 DEVKIT V1 - CSE Department, Shiraz University, Spring 2025.

First we want to generate the 134.2kHz carrier frequency for the reader. We can do that by using any of the Arduino's PWM-capable timers to generate a square wave. Arduino timers can only achieve a ...