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Build a Complete AVR System and Play Mastermind using ATmega328p microcontroller

The game Mastermind has been around a long time, and I remember getting a board version with colored pegs when I was a kid. I love this game, as it is solvable simply by pure logic. One player (or a computer/microcontroller) chooses a sequence of colors from a pool of available colors and then the other player attempts to figure out what that sequence is. Demo This is the AVR version of that famous logic ga ...

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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 capacitor - 16x2 LCD Step 1 Install Software 1) Go and download BASCOM AVR http://www.mcsel ...

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Programming adapter from 10 pin to 6 pin for AVRs

This is the last one of my 'Things that make life easier' series, I published in the last few days. It's very simple, but most of the time the simple things are the most helpful. I always used the big 10 pin jack for programming my AVRs because my programmer also had the 10pin jack. With the time lapse module for the rollei camera a new requirement came up: Space. I wanted to make it as small as possible, s ...

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Direction Aware Messaging LED Spin Top using Tiny44 microcontroller

We recently built a LED spinning top with message display. Its an improved version of a similar top published by Elektor in their December 2008 issue. The Elektor top can be spun only in one direction. The synchronization required to print message on the LEDs arranged along the radius of the top is achieved by detecting the earth's magnetic field. Demo video Direction Aware Messaging LED Spin Top Our top ca ...

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Annoying Beeper using Microcontroller ATtiny13

Play a prank on your friends (enemies?) by hiding a high-pitched beeper which sounds off at random time intervals. This instructable uses minimal parts. All that is required is: battery microcontroller speaker Why don't I just use a 555 timer chip? You certainly could. I like this method because: 1. The ability to beep at random intervals 2. Minimal parts needed (simplicity/elegance of design) 3. I wanted t ...

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Open Source Temperature Controller- Appliance Heat Exchanger

video Open Source Temperature Controller- Appliance Heat Exchanger Here's a heat exchanger demo using the open source temperature controller. Full heat exchanger available here Intelligent controller, schematics, and code available here The open source temperature controller allows you the flexibility to control DC appliances based on the temperature of two thermistor inputs. The processor is reprogrammable ...

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Instalacion del controlador USBasp (USBasp drivers setup) – Dark Side Electronics

English version available at the bottom Se enseñara paso a paso como instalar los controladores (drivers) necesarios para el correcto funcionamiento del programador USBasp para microcontroladores AVR. Primero, mencionaremos algunas consideraciones para evitar fallos por usos indebidos del programador. También se mencionará  el protocolo y pines que debe tener en cuenta para poder programar su microcontrolad ...

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