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...
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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 ...
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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...
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When combined together in a symmetric manner, multiple LEDs can be used to display messages or patterns which look very aesthetic. Commonly, LEDs are arranged in the pattern of a square matrix, as it is easy to program and convenient to use. This tutorial utilizes an 8x8 ma...
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In this tutorial, we will learn how to use the Analog IR Distance Sensor with a simple example. We are using the GP2Y0A21YK0F optical sensor which is extremely useful in detecting very close objects (10 cm to 80 cm). Componen...
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Components Required: Raspberry Pi 3 B+ Read more