‘AVR

Simple Automatic Battery Discharge Analyzer using ATmega48 microcontroller

AVR ATmega Projects, Battery Projects / Ibrar Ayyub

The project allows you to analyze characteristics of unknown/junk battery especially the capacity and variation of the voltage on discharge. It is controlled with a PC via a serial port. No external power supply is required because it is powered by RS-232C signals. It uses ATmega48 as main controller for dummy load and constant current […]

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AVR Security Keypad Lock using ATtiny2313 microcontroller

AVR ATmega Projects, Security - Safety Projects / Ibrar Ayyub

The Security Keypad Lock Project is a basic access control system based on ATtiny2313. It can be modified to protect just about anything. The “Code Lock” ability will allow the rightful user to deploy the platform to any property that requires simple password-protection. The “AVR” RISC microcontroller used ensures low costs. Possible applications may include:

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AVR Ultrasonic Spheroid Levitation Device using ATMega16 microcontroller

AVR ATmega Projects, Game - Entertainment Projects / Ibrar Ayyub

Introduction The goal of this project was to design and build a gaming device capable of levitating a ping pong ball at varying heights based on the proximity of the user to the device, utilizing a multi-tasking kernel on the ATMega16 platform. The project incorporates a fairly complex mechanical system and utilizes many features of

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AVR Based Mobile Phone using AVR ATmega128A microcontroller

AVR ATmega Projects, Phone Projects / Ibrar Ayyub

AvrPhone is ATmega128A-based simple mobile phone with touch screen and SIM100S GSM module. The display uses 2,4″ LCD with a resistive touch screen and ILI9325B driver (16 bit parallel bus). The LCD breakout board contains SD card slot and XPT2046 touchscreen controller. They both are connected to AVR’s SPI bus. The project is powered by

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AVR Wide Range LCF ESR Meter using AVR ATMega88PA PU microcontroller

AVR Wide Range LC,F, ESR Meter using AVR ATMega88PA-PU microcontroller

AVR ATmega Projects, Metering - Instrument Projects / Ibrar Ayyub

LCFesR meter is a precise, wide range meter that can measure inductivity (L), capacity (C), frequency (F) and equivalent series resistance of a capacitor in-circuit (ESR) based on AVR ATMega88PA-PU microcontroller. It can be easily built with homemade one or double-faced PCB and available electronic components. dr. Le Hung, project designer, explained that measurement of

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AVR Touchpad Handwriting Recognition using ATmega644 microcontroller

AVR ATmega Programmers, AVR ATmega Projects, LCD Projects / Ibrar Ayyub

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.

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AVR High Voltage Programmer Using Arduino AVR microcontroller

AVR High Voltage Programmer Using Arduino AVR microcontroller

AVR ATmega Projects, Metering - Instrument Projects / Ibrar Ayyub

AVR microcontroller uses fuse bits to set its operational parameters like watchdog timer settings and change speed of the internal oscillator. Most fuse bits can be set or reset without worry. You can flash it into one state and then flashed back again using an SPI programmer. However, some fuse bits like RSTDISBL fuse are

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