Guides

HC-SR04 Ultrasonic Sensor Explained: How It Mea...

How the HC-SR04 ultrasonic sensor measures distance, how to wire it to an Arduino Uno, and a real live build with generated firmware.

MPU-6050 Explained: What It Measures, How It Wo...

A fact-checked guide to the MPU-6050 six-axis motion sensor — what it measures, how it works, and how to wire it to an Arduino Uno, with a real live build...

How to Build Your First Drone: A Beginner's Guide

Every part you need to build your first quadcopter - frame, motors, ESCs, flight controller, radio - plus how to skip the guesswork with a matched combo kit and Compoden's...

The Best Board for Learning IoT: ESP32, Pico W ...

A buyer's guide comparing the ESP32, Raspberry Pi Pico W and NodeMCU for learning IoT, with a clear top pick and who each board suits.

The Best Raspberry Pi for Beginners: A Buyer's ...

A beginner-friendly buyer's guide to the Raspberry Pi range, comparing the Pi 5, Pi 4, Pi Zero and Pico so you choose the right board for learning.

The Best Arduino Starter Kit for Beginners in I...

A 2026 buyer's guide to choosing the best Arduino starter kit for beginners in India, comparing kit sizes and components with a clear top pick.