Interfacing(USB – RS232 – I2c -ISP) Projects

Networked Biometric Authentication Using Atmega32

Introduction: Due to the increasing need for securing data and places, the biometric authentication industry is seeing large market growth.  We decided to build a scalable, small, and efficient device that can be used to secure doorways throughout a complex.  We use a FingerPrint Cards capacitance based fingerprint scanner as our capturing device.  This data […]

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Data Acquisition System With Controller Area Network and SD Card Using Atmega32

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

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Connect Four with Programmable Infrared Receiver Atmel Mega32

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

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Spring 2002 Gmouse Using Atmel ATMEGA163

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

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Leonardo Arduino clone a single-sided PCB using ATmega32U4

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

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Head-Controlled Keyboard And Mouse using ATmega32

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

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How to drive 595 shift registers with ATmega168

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

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HexiLogger, an Arduino based data logger using ATmega328

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

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