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Microwave Controller using ATmega8 – AVR Project

The user interface has the following parts. Output Device: A 16×2 alphanumeric LCD Module is used as the main output device. It can display numbers, alphabets and few symbols. It can show two line and each line can have 16 characters. The backlight enables the text to be visible even in dark. A buzzer beeps when the system receive input from the user and the input is successfully processed. For example if t ...

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Interfacing LCD with Atmega32 Microcontroller using Atmel Studio

As we all know LCD (Liquid Crystal Display) is an electronic display which is commonly used nowadays in applications such as calculators, laptops, tablets, mobile phones etc. 16×2 character LCD module is a very basic module which is commonly used by electronic hobbyists and is used in many electronic devices and project. It can display 2 lines of 16 character and each character is displayed using 5×7 or 5×1 ...

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Interfacing rotary encoder to Atmega32

Recently I was working on a project that involved rotary encoder. I thought I'd share some thoughts on how rotary encoder can be interfaced and programmed. Actually it is easy to work with rotary encoders - interfacing is simple – only three wires are required to connect to microcontroller (two for signal (quadrature outputs) and one for reference (GND)). When turned there is a Grey code produced on outputs ...

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Graphical LCD Text Display

The Graphical LCD Text Display is complete!   I've used the same Atmel ATMega8 controller that I used in the Composite Video Display.   The interface is the same as well; an 8 bit parallel port with a strobe input and a busy output.   It can be connected directly to a 65C22 8 bit port or any generic parallel port with ease. The Display is an Optrex DMF50840A which supports 320x240 with a Cold Compact Floure ...

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4X4 Keypad based Password with ATmega32 and LCD Display

Security is a prime concern in our day-today life. Everyone wants to be as much secured as possible. Keypad based password is one of the many method and the most common and easy one to provide security to any system. In this project, we will learn How to design a password protected system using a 4X4 keypad with AVR ATmega32 microcontroller. Here, the user will enter a 4 digit numeric password to gain acces ...

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Accelerometer based Hand Gesture Controlled Wheel Chair with ATmega32 for Physically Handicapped

In this project, we will learn How to design an Accelerometer based Hand Gesture Controlled Wheel Chair with AVR ATmega32 Microcontroller for Physically Handicapped. Here, we will use our hand gestures as input signals to drive the wheel chair in different direction and we will display the direction of movement of the wheel chair in a 16X2 alphanumeric LCD. In our case, hand gestures mean tilt of hand in di ...

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Accelerometer and Relay based Hand Gesture Controlled Wireless Home Automation System with ATmega32 using 433MHz RF

In this project, we will learn How to design an Accelerometer and Relay based Hand Gesture Controlled Wireless Home Automation System with AVR ATmega32 microcontroller using 433MHz RF. Here, we will use different hand gestures as input signal to control the appliances i.e 2 bulbs and 2 fans. Also, we will display the status of the appliances in a 16X2 alphanumeric LCD. In our case, hand gestures mean tilt o ...

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