Programming and Interfacing ARMEL AVR Mirocontrollers
Atmel's AVR microcontrollers are the go-to chip for many hobbyists and hardware hacking projects. In this book, PROGRAMMING AND INTERFACING ATMEL'S AVRS, you will learn how to program and interface using three of Atmel's microcontrollers--the ATtiny13, the ATmega328, and the ATmega32. The book begins with the binary number system and move into programming in assembly, then C and C++. Very little prior engineering knowledge is assumed. You'll work step-by-step through sections on connecting to devices such as DC motors, servos, steppers, touch pads, GPS sensors, temperature sensors, accelerometers, and more. Get started working with Atmel's AVRs today, with PROGRAMMING AND INTERFACING ATMEL'S AVRS.
Why Read This Book
You should read this book if you want a hands-on, project-driven introduction to programming Atmel AVR microcontrollers in assembly and C and to interfacing them with real sensors and actuators. It walks you from binary and low-level concepts up to building working projects, so you'll gain both the theory and practical recipes you can reuse on small embedded designs.
Who Will Benefit
Hobbyists, students, and firmware engineers at the entry level who want to learn low-level AVR programming and practical interfacing techniques for ATtiny/ATmega devices.
Level: Beginner — Prerequisites: Basic algebra and familiarity with elementary programming concepts (variables, loops, functions); no prior microcontroller experience required, but basic soldering and breadboarding helps.
Key Takeaways
- Write and debug simple AVR assembly routines and understand the AVR instruction set.
- Develop firmware in C/C++ for ATtiny13, ATmega328, and ATmega32 using a standard toolchain.
- Configure and use common peripherals: GPIO, timers/PWM, ADC, and serial interfaces (UART/SPI/I2C).
- Interface microcontrollers to sensors and actuators such as temperature sensors, accelerometers, GPS, servos, steppers, and DC motors.
- Set up the AVR toolchain (AVR-GCC, avrdude) and program devices using common programmers and bootloader workflows.
- Design and assemble small embedded projects, including simple troubleshooting and power considerations.
Topics Covered
- Introduction to Binary and Embedded Concepts
- AVR Architecture and the ATtiny13 / ATmega328 / ATmega32 Overview
- Development Tools and Toolchain (AVR-GCC, avrdude, programmers)
- Assembly Language Programming on AVRs
- C and C++ Development for AVR Microcontrollers
- Digital I/O and Debouncing Techniques
- Timers, PWM and Motor Control
- Analog Inputs and ADC: Reading Sensors
- Serial Communication: UART, SPI and I2C Basics
- Interfacing Actuators: Servos, Steppers and DC Motors
- Common Sensors: Temperature, Accelerometers, GPS and Touch Inputs
- Power, PCB/Breadboard Tips and Project Examples
- Appendices: Parts Lists, Fuse Bits, Example Code and Reference
Languages, Platforms & Tools
How It Compares
Similar to Elliot Williams' Make: AVR Programming in its hands-on approach but generally more project-driven and less focused on deep systems-level theory than Mazidi's The AVR Microcontroller and Embedded Systems.
