Circuit Lake » LED

Aurora RGB LED Art

admin — Thu, 27 Oct 2011 01:16:08 +0000

Aurora 9×18 is a beautiful firing sequence of 162 RGB-LEDs in a circular configuration. The color of each circle is controlled by a microcontroller (PIC24F08KA101) using a twisted form of PWM. The MCU only has one PWM module, yet Aurora is capable of 27 (9xR,G,B) independent brightness control.The project uses an idea of combining [...]

Pocket-Sized LED Flashlight

admin — Mon, 31 Jan 2011 19:17:57 +0000

This mini LED flashlight is very useful for emergency use. Since it size is small enough to put in your pocket, you can bring it anywhere. This portable LED flashlight is powered by only one AAA battery. To boosting input voltage (1.5V) up to operating voltage of a super high luminosity LEDs -blue, green or [...]

Motorcycle Universal Gear Indicator

admin — Fri, 10 Sep 2010 19:46:11 +0000

The aim of project is to build a universal gear indicator that can be fitted to any motorcycle as an aftermarket accessory. Its operation depends entirely on the gear shift lever movement. This automotive project applicable for older motorcycle since it do not connect to speedometer and tachometer sensors. Main part of the project including [...]

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3D Color LED Graphics Display

admin — Wed, 14 Jul 2010 22:46:49 +0000

This 3-dimensional graphics display system which named as MaJaTron consists of 125 RGB LEDs arranged in a cube of 5×5x5 dimension. Each LED is a multicolor Red, Green and Blue LED and the control circuit of the system can individually control the intensity of each color, thereby, creating a full color, graphics system. Each LED [...]

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Self Configuring and Modular LED Matrix Display

admin — Wed, 19 May 2010 00:59:11 +0000

The goal of the project is to build a self-reconfiguring LED Dot matrix display. It uses ATmega48 based modular LED matrix display unit, Kingbright TA20-11EWA LED matrix array, which can be chained together to form a self reconfiguring and arbitrary length LED matrix display. A head unit consisting of an ATmega168 is placed at the [...]

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Flashing LED Light

admin — Tue, 22 Dec 2009 05:38:44 +0000

This project shows you how to build simple flashing light based on IC 555. The 555 has function as clock generator with dutycyle less than 100 and more than 50. The other components are Voltage regulator, 3 power amber LED and passive component like resistor and capacitor. The project submitted by Musheg Khurshudyan. He said [...]

High Power LED Mood Lamp

admin — Thu, 03 Dec 2009 20:31:03 +0000

This high power led mood light based on PIC16F628. By varying pulse width from MCU you can produce millions of color combinations using one 3 watt RGB power led. You can choose fading or jumping mode between colors. The project features a rainbow style or a random color changing behavior. You can set a slow [...]