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Circuit overview

Watch futurama on an 8×8 pixel screen using atmega168 microcontroller

here’s how to convert otherwise reasonable quality video into pixelated garbage and play it on a 2 color 8×8 led matrix, with no sound and only moderate sync. ingredients: – (1) 8×8 2 color led matrix – (1) atmel avr atmega168 – (2) 74hc595 shift register – (1) 3.3V regulator – (1) a linux system this is …

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LCDs and Microprocessors

Getting started with LCD’s and Microprocessors using ATmega8

In this Instructable, find out how to control LCD’s with a ATmega8 and Bascom. Demo You will need: – Breadboard – Wires – ATmega8 – Programmer – Bascom AVR (There is also a demo version for Free) – 10k resistor – 100k resistor – 10k variable resistor – 7805 Voltage regulator – 100 µF 16V electrolytic capacitor – 100n …

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ATmega32 interface

Interfacing ATmega32 with an LCD and a DAC

Hi techies!! This is one more of my circuits, interfacing ATmega32 with an LCD and a DAC. it also includes two general purpose push-buttons and In System Programming connector. The controller is operating with 14.7456 MHz frequency crystal, convenient for generating standard baud rates (for RS422 communication whic i used in my actual project, not …

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Temperature Controller (1)

Open Source AVR Temperature Controller using ATmega48 microcontroller

The open source project allows you to control DC appliances based on the temperature of two thermistor inputs. It uses AVR ATmega48 as main processor. The controller has both green and white LEDs to indicate status. The project output is connected to N-Channel MOSFET, AOD444, for switching with current up to 4A. For higher current you can use relay. …

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Touchpad Handwriting Recognition

AVR Touchpad Handwriting Recognition using ATmega644 microcontroller

This ATmega644-based project implements a touchpad input system which takes user handwriting input and converts it to a printed character. Currently, the device only recognizes the 26 letters of the alphabet, but it could be easily generalized to include any figure of completely arbitrary shape, including alphanumeric, punctuation, and other symbols using available training system. A …

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gps locator

AVR GPS Locator using avr microcontroller Using Atmega

In this project i have interfaced an GPS with AVR microcontroller, the ATtiny2313 gets the location from the GPS and display it over the LCD display. This project also have the feature of marking a place with its name. For entering the Name of the place i have used the PC-AT Keyboard. At starting the microcontroller will display the latitude and longitude on the LCD display …

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Multi mode LED Matrix Clock (1)

ATTiny2313 Multi-mode LED Matrix Clock Using Atmega

This is a mutli-mode clock project based on attiny2313. it employs a 8×8 led matrix as display. with the limited resolution, this 12 hour clock shows time in 6 different modes. The circuit employs row and column multiplexing to drive the leds, one row at a time, this gives a 12.5% duty cycle when “sets” of leds (8 of them …

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