LED Projects

Color Changing Digital PC Fan Controller using Microcontroller ATMega168

We’ve all seen LED fans that you can put in your computer to make it look cool.  They usually come in blue, sometimes red or green and consist of a basic PC fan with 4 bright LED’s mounted in the 4 corners.  They source their voltage from the fan’s power input, so if you’re using

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LED Cube 4x4x4 using Microcontroller Atmega16

Amazing 3 dimensional LED display. 64 LEDs makes up this 4 by 4 by 4 cube, controlled by an Atmel Atmega16 microcontroller. Each LED can be addressed individually in software, enabling it to display amazing 3d animations! 8x8x8 LED cube now available, by popular demand: http://www.instructables.com/id/Led-Cube-8x8x8/ First of all, you need quite a bit of

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Make a 8×10 L.E.D Matrix using the Arduino and 4017 decade counter

Make a 8×10 L.E.D Matrix using the Arduino and 4017 decade counter

In this instructable I will show you how to build a quite fancy 8 by 10 L.E.D matrix(with scrolling text and animations) using the Arduino and 4017 decade counter. This type of matrix is easy to make and program and it is a good way learn how to multiplex. I have added another part to

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LED Binary Calculator using Microcontroller ATtiny2313

LED Binary Calculator using Microcontroller ATtiny2313

You can’t calculate binary values “as is” on most handheld calculators and using the windows one is just a pain, so i decided to make my very own (binary only) calculator. This calculator supports all the basic functions like : NOT,OR,AND,XOR, addition,subtraction,multiplication,division and modulo. So join me as we are going to enter the world of ones and zeros

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Charlieplexing 7 segment displays using Microcontroller

This instructable describes how to charlieplex a bunch of 7-segment led displays. Charlieplexing of discrete leds has been the topic of a few other instructables. The Charlieplexing LEDs- The theory and the How to drive a lot of LEDs from a few microcontroller pins comes to mind. They are both excellent and should be read

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8×8 Dotmatrix Scrolling LED display using atmega8515 microcontroller

Here’s an another project, which makes an Scrolling LED display. Here 64 leds which are connected to an Matrix display. The Anodes are drived through an Driver IC UDN2981 and the cathodes are drived through ULN2803. The Atmega8515 is used in this project to control the display. The microcontroller is programmed with Bascom AVR. Circuit

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