Tutorials Explore the basics of Arduino with my comprehensive tutorials! Learn how to use the most common components and understand their principles of operation. SG90 Servo Motor: Understanding Operation & Position Control Using Arduino DHT11 Sensor: Inside Look & Arduino Temp-Humidity Measurement HY-SRF05 Sensor: Understanding Operation & Distance Measurement with Arduino HC-SR501 PIR Sensor: Understanding Operation & Motion Detection Arduino & KY-037: Sound Sensor Basics & Clap Light Project MQ135 Sensor with Arduino: How It Works and How to Use It 1602 LCD: Operation & Arduino Interface Arduino Guide: HC-05 Bluetooth Setup and Wireless Car Project 4x4 Keypad: Working Principle & Door Lock System Project RC522 RFID: How It Works & Simple Arduino Project