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Garbage Collection (GC) is a mechanism that allows for the automatic reclamation of unused memory blocks. Programmers allocate memory dynamically, but when a block is no longer required, they do not have to explicitly return it to the system with a free() call. 

MQ2 is a Gas sensor Module that can be used to sense gases like LPG (Cooking Gas), Smoke, Alcohol, Hydrogen, Methane, and Carbon Monoxide concentrations in air. This type of sensor is suitable in making projects like Air Quality monitoring systems, fire alarms, Gas Leaka...

A music visualizer works by extracting waveform and/or frequency information from the music and feeding this information through some display rules, which produces what you see on the screen.

Let's find out why is it that these two frenemies are always being compared to one another.

We will be building a simple pong game using Arduino.

Remeber the snake game in the old Nokia Phones? Recreate the same with a PS2 Joystick, Display Module and Arduino.

Learn how to create a DIY digital clock using and Arduino and display module.

Keypads are a great way to let users interact with your project. You can use them to navigate menus, enter passwords, and control games and robots. In this tutorial, we will show you how to setup a keypad on the Arduino. First we will explain how the Arduino detects key pre...

We all love good music. It puts our mood right and helps us relax. A VU meter indicates the intensity of the music with LEDs.A VU meter is an abbreviation for Volume Unit meter. VU meters can also be implemented in the form of patterns, which look really beautiful when ...

The HCSR04 ultrasonic sensor can sense the distance between itself and the object in front of it. It uses the formula d=(v*t)/2 to calculate the distance. We can display the output on an LED matrix, rather than viewing it on the serial monitor. Thi...