Other Projects Archives - Page 18 of 21 - Projects Tutorials Code Library for Atmels Atmega32 AVR

EPROM adapter for ATMEL 89 Series Flash Microcontroller Programmer Ver 2.0

Devices The EEprom programmer software supports the following devices. 28C16 28C256 28C17 29C256 28C64 Hardware Diode D1 and resistor R1 provide the VDD isolation when programming the 24 pin devices. The jumper J3 must be shorted for 24 pin devices, and open circuit for 28 pin device programming. Following EEPROMs are pin compatible with their […]

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ATmega8 Based Multi channel IR Remote

Today I will present an easy to build Multi channel IR Remote control system. It can control heavy loads (Up to AC 220V 6 Amps or smaller) with a touch of remote control. A total of 5 devices can be controlled from a distance of up to 20 feet. We will be using a standard

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AVR Digital Hum Nuller using ATmega168 microcontroller

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This ATmega168-based digital comb filter built to clean a realtime audio signal. It can remove the ubiquitous 60Hz (50Hz in some countries) hum noise caused by power lines and household electrical wiring. Since the noise is not strictly sinusoidal it is necessary to remove all harmonics of 60Hz, and that is what this filter does.

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Mini Logic Analyzer using ATmega8 microcontroller

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Mini Logic analyzer is ATmega8-based electronics tool that can be used to watch and analyze logic transitions 0 or 1 of a digital data signal. It comes with Nokia 3310/5110 LCD to display signal and it has 4 channel inputs. A digital data signal can be found on the output pin of TSOP-1730 Infrared Receiver,

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Clever Clapper using ATtiny2313 microcontroller

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A “Clapper” is a device that will turn on or off an AC appliance that is plugged into it, such as a lamp or fan when it “hears” you clap twice in approximate succession. Pete has built a Clever Clapper with various task. If user claps twice within one second, the circuit toggles the lamp

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Switching between Red, Green and Blue (or Blue1 or/and Blue2 for an RGBB type) using AVR microcontroller

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Switching between Red, Green and Blue (or Blue1 or/and Blue2 for an RGBB type): An RGB LED is a LED which has three (or four for an RGBB type) semi-conductor LED’s in one normal housing i.e. standard 5 mm. The Red LED is made of Gallium Arsenide Phosphide on Gallium Phosphide, the Green LED is

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Helianthus: The Solar Tracking System using ATmega16 microcontroller

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Renewable energy solutions are becoming increasingly popular. Photovoltaic (solar) systems are but one example. Maximizing power output from a solar system is desirable to increase efficiency. In order to maximize power output from the solar panels, one needs to keep the panels aligned with the sun. As such, a means of tracking the sun is

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8 LED Knight Rider using AVR microcontroller

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Another version: In this version I took PORTB of the AT90S1200 AVR microcontroller as you can see in the diagram, because this makes it simpler to let 8 LEDs flash back and forth. Set the Data Direction Register of port B as an output, the output will source current. What I did is loading an

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6 LED Knight Rider using ATtiny22 microcontroller

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Part list: 6x high eff. LED 2x 330 ohm 1x ATtiny22* 2x 1N4007 1x 100n 1x 47uF/16V 1x 78L05 * The ATtiny22 is obsolete, replace with one of the folowing AVRs: AT90S2343 / ATtiny13 / ATtiny45. History of the back and forth flashers…. In the 80’s the famous TV-series Battlestar Galactica and Knight Rider made

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Dotmatrix using ATtiny2313 microcontroller

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On this page you will find a scrolling LED sign based on the ATtiny2313 AVR microcontroller, which you can build yourself (when finished) Other names for this device can be: Moving message sign, Message crawler, Scrolling message, message display, etc. The idea is to let a text scroll over the LED dot-matrix displays. A dot-matrix

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