Introduction: A good while back, I made the 1-key-keyboard project. Ever since it has always been in the back of my mind that the ATTiny microcontroller, which I used in this project, had still 3 IO ports which were unused. Only recently I’ve found the time to expand my old project in the most obvious way […]
4-key keyboard using ATtiny85 Read More »
The purpose of this project was to create a simple, portable device that would periodically read sensors and then store the sensor data so it could be retrieved later. The result is the HexiLogger, “hexi” because it can support up to six different sensor inputs and “logger” because it will store the input data on
HexiLogger, an Arduino based data logger using ATmega328 Read More »
Driving a shift register using an AVR chip’s built-in hardware is really quite easy. Most of their offerings have an SPI module, or Serial Peripheral Interface. A shift register is exactly that, a peripheral device that communicates via a serial line. All we need to do is hook up our connections and use a few
How to drive 595 shift registers with ATmega168 Read More »
Easy Input is a head-controlled keyboard and mouse input device for disabled users. The system uses accelerometers to detect the user’s head tilt in order to direct mouse movement on the monitor. The clicking of the mouse is activated by the user’s eye blinking through a reflective sensor. The keyboard function is implemented by allowing
Head-Controlled Keyboard And Mouse using ATmega32 Read More »
DESCRIPTION This project is to make a clone of Arduino Leonardo in a simple way.That is why the distribution of the pin does not match the standard Arduino (have to make many jumpers on the motherboard or use both sides). However, most Arduino Leonardo characteristics are maintained. The circuit is protected by an automatic reset fuse
Leonardo Arduino clone a single-sided PCB using ATmega32U4 Read More »
Introduction With all focus of computer technology advancement placed on processors and memory, sometimes the most simple of components are overlooked. This is especially the case with the mouse, a device that has changed very little since its conception by Xerox. It still retains its basic shape and function in moving a cursor within a
Spring 2002 Gmouse Using Atmel ATMEGA163 Read More »
We have designed a programmable infrared receiver which can utilize any pulse coded IR signal to play Connect Four from a remote distance. The programmable infrared receiver device we have created can decode any pulse-width modulated signal of an IR remote control, store it in non-volatile memory, and then recognize that signal again the next
Connect Four with Programmable Infrared Receiver Atmel Mega32 Read More »
MP3 is presently a household term; the reader will likely own a few, barring any intervention from the RIAA. Since it’s not always practical to sit in front of a monitor and keyboard when you want to listen to music (e.g. in a car, on the couch, in the bathroom), we decided to create a
TV/Keypad Interface for Winamp Using Atmel MEGA32 Read More »
Introduction Have you ever imagined, “What does that cable I plug into my iPod every day actually do, and how do I take advantage of it for myself?” We did too, and that’s what we aimed to do with our 476 project. The iPod is, of course, the popular digital music player developed by Apple. The heart of the project
iPod controller Using Atmel Mega32 Read More »
Introduction This project implements a high speed data acquisition system using Mega32 microcontrollers and a Controller Area Network (CAN). Recording data is essential to testing and developing a racecar. Recording what each sensor is doing can tell an engineering how the car is performing, and most importantly, how to make it faster. A well outfitted
Data Acquisition System With Controller Area Network and SD Card Using Atmega32 Read More »
