AVR Tutorials

If you have programmed anything with C you should be familiar with common data types like char, unsi[...]

Volatile is probably least documented keyword in most tutorials and books. Probably this is main cau[...]

GPS modem is a device which receives signals from satellite and provides information about latitude,[...]

Connecting a button as an input to a micro-controller is a relatively easy task, but there are some [...]

In a past tutorial, we saw how to control a servo using AVR. This tutorial will aim at interfacing a[...]

Keypad is most widely used input device to provide input from the outside world to the microcontroll[...]

In this new tutorial, we will be interfacing a LM35 based temperature sensor with ATMEGA32. The 3 ma[...]

In this tutorial, we are going to interface ultrasonic rangefinder with the all popular ATMEGA8. Ult[...]

In this tutorial we are going to learn something interesting which is already sued by many people to[...]

Shift register is one of the important thing to learn while designing any embedded system. Using shi[...]

Servo motors are a type of electromechanical actuators that do not rotate continuously like DC/AC mo[...]

In this tutorial, we will be interfacing a HD44780 character LCD. Although as an alternative you can[...]

The article covers how to interface an accelerometer with the atmega32/atmega16. Before proceeding, [...]

A seven segment display is a set of seven bar-shaped LED (light-emitting diode) elements, arranged t[...]

AVR lock bits and fuses is one of the topics that may cause some confusion. If you missed something [...]

I2C (also referred as IIC or TWI) is widely used interface in embedded applications. Two wire bus in[...]

Serial Peripheral Interface (SPI) is fastest synchronous communication interface allowing data trans[...]

After we've learned how to performs simple ADC conversions on AVR microcontroller we can move forwar[...]

Microcontrollers are meant to deal with digital information. They only understant '0' and '1' values[...]

In previous tutorial we learned how to transmit data over USART. By using simple functions we can se[...]

In previous part of USART tutorial we have discussed about simplest way of implementing USART transm[...]

AVR USART tutorial is gonna be multi-part tutorial as this peripheral is quite complex device and ne[...]

All AVR microcontrollers have internal watchdog timer that can be successfully used in your projects[...]

AVR microcontrollers have some amount of EEPROM memory on chip. For instance Atmega328 has 1K of byt[...]

In many cases our embedded projects have to deal with various constants or arrays that aren't change[...]

Until now we used pretty simple program examples where all code fit in to single file and didn't loo[...]

We have almost gone through main modes of AVR timers. It is impossible to review them all in more de[...]

Atmega328 has one 16 bit timer which is more powerful comparing to 8 bit timers. 16 bit timer is c[...]

Previously we have revealed only two Timer/Counter0 modes: Normal and CTC. So far thre are couple mo[...]

As our selected Atmega328 microcontroller has three timers, I think it is best to analyze them separ[...]

Probably Timer/Counters are complex peripherals in microcontrollers, but as fact they are most commo[...]

Before we go to the code part lets what is needed in order to run interrupts successfully. These con[...]

Earlier I've made a mistake by referring this tutorial to older AVR family microcontrollers like Atm[...]

Controlling pins is one of the first things to learn when learning microcontrollers. It seems that e[...]

You can be encouraged to use various types of AVR development tools. Most of them cost money to get [...]

As we talked earlier there are many AVR programmers to choose. The simplest ones are bitbang program[...]

There are several things you need to do before learning AVR. First of all you need an AVR chip. Bett[...]

Any AVR microcontroller is an 8 bit computer in a chip designed and manufactured by ATMEL Corporatio[...]

AVR family is one of the leading 8 bit microcontrollers in its family. There are many reasons why ma[...]