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Welcome Visitor

Thank you for taking the time to explore the avrprojects website. Here you can find projects about AVR 8-bit microcontrollers. We hope you`ll find these pages both educational as inspiring.

Dot Matrix MAX7219 IC

The MAX7219 is a IC that can drive 64 LED's, while you only need 4 wires to interface it to a microcontroller. So you can easily hook it to a 8x8 LED matrix module or an 7 segment display. In addition you can daisy chain multiple 7219 chips for more LED displays. The MAX7219 has a 4 wire SPI interface making it very easy to connect it to a microcontroller or a arduino.

Read more: Dot Matrix MAX7219 IC

LED Driver MAX7219 - clock

The MAX7219 is a Integrated Circuit that can drive 64 individual LED's or up to 8 digits of 7-segment display's or a LED matrix of 8x8. The driver implements a SPI interface that can be controlled from a microcontroller using only three I/O pins.

Read more: LED Driver MAX7219 - clock

Photocell or LDR

 photocell or photo resistor is a Light Dependent Resistors (LDR). LDR's are sensors that detect light. They are small, inexpensive, low-power, easy to use and don't wear out.

Read more: Photocell or LDR

ATMega644 Board

The ATMega644 board is a microcontroller board based on the ATmega644, The board contains everything needed to support the microcontroller. The board needs 5VDC to power it. Simply connect the power connector to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. You can program it with the ICSP connection.

Read more: ATMega644 Board

stepper motor controller

How to control a stepper motor

stepper motor controller

In this project you will learn how to control a stepper motor using the ATMEL328 board and the L293D motor control chip. The stepper motor can be turned left or right with a slide switche .

Read more: stepper motor controller

servo motor controller

How to control a servo motor.

servo motor controller pic2

In ths project you can learn how to build a servo controleer motor with the ATMEGA328 board. The position of the servo motor is controlled by the software (sweep back and forth) or by a potentiometer.

Read more: servo motor controller

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