In-depth guides, tutorials, and insights on sensors, IoT, robotics, and AI.
Break down what a microcontroller is, how it works, Arduino vs ESP32 vs Pi Pico comparison, main components, real-world uses, and how to choose the right board.
Learn how the HC-SR04 ultrasonic distance sensor works, how to wire it with Arduino & ESP32, and build real-world projects like obstacle-avoiding robots and smart parking systems.
Understand infrared (IR) sensor modules — how they detect obstacles, line-following applications, and step-by-step Arduino wiring guide with code examples.
A complete guide to the DHT11 sensor — measure temperature & humidity, connect with Arduino/ESP32, and build a live IoT monitoring dashboard.
