you will study the various components of an Arduino Microcontroller like digital pins, analogue pins,Serial communication ,USB ports, Bluetooth communication, processor, etc. using this free tutorial.

Learn All functions like digitalRead, digitalWrite, analogRead, analogWrite, pinMode,delay , millis etc. and also learn the basics of C programming.

Learn to make arduino projects like blinking an LED, controlling LED brightness using an LDR, implementing a temperature sensor, and many more tutorials!