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Keypaw Using Atmel Mega32

1 Introduction The Keypaw is a 12-button input device that provides computer users with an ergonomic, fully-configurable alternative to the traditional QWERTY keyboard. The Keypaw is a microcontroller-driven device with 12 buttons mounted on two handsets; 1 button is provided for each finger, and 2 buttons are provided for each thumb. Pressing a button or combination of buttons on the Keypaw produces a sing ...

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MIDI synthesizer Using Atmega32

Introduction: MIDI Synthesizer Our Final Project for ECE 476 was building a MIDI synthesizer using a MEGA 32 microcontroller.  At first we wanted to tear apart an old keyboard and use the MCU to decode directly from the sensors which detected key presses.  We then learned about the MIDI protocol and decided to use the MCU to decode MIDI packets sent by they keyboard and then play the appropriate note. Once ...

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AT89C2051 PROTO BOARD

This single sided proto board provides an economical solution for developing and testing the projects around Atmel 20 pin series u-controllers (89Cx051 & AVR) Figure 1 shows the circuit diagram of proto board. All port connections are available for user interface around the proto area including the power supply pins. MAX232 serial driver is used to provide a 3 wire RS232 interface for connecting to the ...

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HVProg using ATmega8535 microcontroller

Compatible with AvrStudio Supports all AVR Controllers Parallel and serial High-Voltage-Programming Small and easy layout with only a few parts STK500 protocol Schematics and board layout available   Introduction The project started as an enhancement of Martin Thomas  Evertool project. He has rebuilt the AVRISP and JTAG adapter with only a few parts. Unfortunately they both don't support high-voltage p ...

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Evertool using ATmega16 microcontroller

Evertool is an AVRISP/STK500-protocol and JTAGICE compatible Programmer/JTAG debugger. ISP Programmer compatible with Atmel AVRISP, directly accessable with AVRStudio and avrdude JTAG debugger compatible with Atmel JTAGICE, directly accessable with AVRStudio and AVaRice Evertool supports all AVR devices Atmel supports with their AVRISP and JTAGICE. Easy update of the programmer for new target AVRs via RS232 ...

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Printed circuit board ‘Multiuse tiny1’ using ATmega8

Project overview This small PCB, which I named Multiuse tiny1 was originally designed to convert NES/SNES controllers to USB. Since there is not a lot of space availabe inside an SNES controller, I designed the PCB to be as small as necessary. The PCB has improved since the beginning, thanks to the many other uses I found for this PCB. Characteristics: Small: width=27.5mm, height=17.7mm, thickness=3.4mm (wi ...

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Cheap and Simple Learning Board using AT89S51

Build your own a cheap simple Microcontroller learning board S-52. The board is based on ATMEL's new ISP chip AT89S51, AT89S52, or AT89S53. This board can be used by beginners for learning Assembly and C language programming. Single sided PCB file included.   Introduction I have designed this leaning board to be used as a tool for learning MCS-51 Microcontrollers. The AT89Sxx learning board features, D ...

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