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Embedded Systems with AVR ATMEGA32 Microcontroller

Name: Embedded Systems with AVR ATMEGA32 Microcontroller
Rating: 4.6 (137 reviews)

An In - Depth Approach to Embedded Systems Programming

Created byManaskant Mishra

Last updated 3/2023

English

English [Auto],

What you'll learn

Detailed theoretical aspects of ATMEGA32 MCU (Architecture, Clock Sources, Programming Techniques, Fuse and Lock Bits, etc.)
Detailed concepts of MCU programming and thorough understanding of ATMEGA32 peripherals.
Programming of Basic ATMEGA32 peripherals (GPIO, UART, ADC, External Interrupts, On - Board NVS, Analog Comparator).
Working and programming of critical ATMEGA32 peripherals (Timers, Timer CTC Mode, Counter Mode, Timer Input Capture Mode, PWM)
Some more important topics in MCU programming (Watchdog Timer and Low - Power Modes).
Implementation of embedded system communication protocols (SPI and I2C) along with interfacing of related external peripherals and MCU to MCU communication.
Theory and interfacing of Basic external peripherals (LEDs, Pushbuttons, SPDT Relay, 16x2 LCD, DC Motors with L293D / L298N Motor Drivers, Servo Motors).
More basic peripheral programming (Stepper Motor, Dot Matrix Display, 7 Segment Display).
Complex peripheral programming (KS0108, ST7920, Nokia 5110 Graphical LCDs and SSD1306 OLED Display).
Extraction of vital information from datasheet and other relevant technical documents for programming / interfacing on - board or external peripherals.
Hands - On implementation / testing of each and every circuit and program explained in this course.
Methods for remote control of standard bench equipment like DSO, Signal Generator and Bench Top DC Power Supply.

Course content

14 sections • 136 lectures • 36h 53m total length

Introducing the Course4:28
Develop a strong foundation in embedded programming with the ATmega32 for beginners through more than 80 programs, with line-by-line explanations linked to the datasheet and peripherals.
Overview of ATMEGA32 Controller19:36
Explore the ATmega32 eight-bit AVR microcontroller, its in-system self-programmable flash, ADC channels, and diverse peripherals including SPI, I2C, timers, and external oscillator options.
Architecture of ATMEGA32 Controller19:06
Memory Organization of ATMEGA32 Controller10:51
Fuse and Lock Bits of ATMEGA32 Controller14:53
Minor rectification in the lecture....From 5:01 to 5:16, I said that making JTAGEN bit 1 will enable the JTAG programming interface....this is incorrect....but after that I have given the correct statement....JTAGEN bit must be kept 0 if pins PC2 to PC5 are to be used as GPIO pins.
Clock Sources and Distribution in ATMEGA32 Controller9:14
Programming Techniques of ATMEGA32 Controller16:27
Parts Equipment and Software Needed2:24
Identify the standard bench equipment, electronic components and peripherals, and open-source software needed for circuits on the AVR ATmega32 microcontroller, and download the reference document.
Working with ATMEL Studio 79:50
Setup and Downloading Test Program into the Controller20:40
Controlling Signal Generator and DC Power Supply using PC25:06
Control a function generator and DC bench power supply from a PC via USB, remotely adjusting waveform, frequency, amplitude, offset, and output using the associated software.
Controlling and Monitoring DSO using PC14:37

Theory of SPDT Relay31:12
Interfacing SPDT Relay with ATMEGA32 MCU18:54
Interface a SPDT relay with the ATMEGA32 microcontroller by wiring PC7 as input and PC2 as output, powering the relay coil at 5 V and driving a 230 V bulb.
Theory of DC Motor12:30
Explore how a dc motor converts electrical energy to rotational motion using Fleming's left hand rule, the armature and commutator, carbon brushes, and speed control via voltage and flux.
L293D and L298N Motor Drivers16:26
Explore how L293D and L298N motor drivers interface DC motors with microcontrollers, enabling higher voltage and current for motor operation, and compare their protection and bridge architectures.
Interfacing DC Motor with ATMEGA32 MCU - Part 116:19
Interfacing DC Motor with ATMEGA32 MCU - Part 217:05
Theory of Stepper Motors20:28
Explore the theory of stepper motors, including wave drive, full-step, half-step, and micro-stepping modes, four-phase sequencing, step angle, and open-loop high-torque applications.
Interfacing Stepper Motor with ATMEGA32 MCU - Part 19:01
Interfacing Stepper Motor with ATMEGA32 MCU - Part 224:06
Theory of 7 Segment Display12:53
Explore the seven segment display, its common anode and common cathode configurations, and how decoder chips like 74xx, 4511, and 7447 simplify driving with a microcontroller.
Interfacing 7 Segment Display with ATMEGA32 MCU - Part 113:09
Interfacing 7 Segment Display with ATMEGA32 MCU - Part 217:04
Interfacing 7 Segment Display with ATMEGA32 MCU - Part 318:34
Theory of 8x8 Dot Matrix Display13:11
Interfacing 8x8 Dot Matrix Display with ATMEGA32 MCU - Part 126:02
Interfacing 8x8 Dot Matrix Display with ATMEGA32 MCU - Part 230:33
Theory of 16 x 2 Alphanumeric LCD18:37
Interfacing 16 x 2 Alphanumeric LCD with ATMEGA32 MCU - Part 14:54
Interfacing 16 x 2 Alphanumeric LCD with ATMEGA32 MCU - Part 218:50
Learn to interface a 16x2 lcd with an ATmega32 in 8-bit mode, initialize with commands, display single characters and strings, and enable horizontal scrolling with two pushbuttons.
Interfacing 16 x 2 Alphanumeric LCD with ATMEGA32 MCU - Part 39:03
Demonstrates interfacing a 16x2 LCD with ATmega32 in four-bit mode, sending commands and data via D4–D7, and displaying 'Hello world' on the first row and 'embedded systems' on the second.
Interfacing 16 x 2 Alphanumeric LCD with ATMEGA32 MCU - Part 411:39
Theory of 4x4 Hex Keypad16:52
Interface a 4x4 matrix keypad with a 32 microcontroller using row scanning and column scanning techniques. Learn how pull-up resistors and port B connections help detect the pressed key.
Interfacing 4x4 Hex Keypad with ATMEGA32 MCU - Part 116:45
Interfacing 4x4 Hex Keypad with ATMEGA32 MCU - Part 214:34
Interface a 4x4 keypad with the ATmega32 MCU to implement a password based lock system. Preset a four-character password, input via keypad, and display correct or wrong on the LCD.

Concept of Serial Communication14:30
Master the basics of serial communication via UART, contrasting serial and parallel transfer, exploring asynchronous and synchronous modes, and simplex to full-duplex operation for low-cost long-distance data transfers.
Details of Asynchronous Serial Communication14:05
UART Registers in ATMEGA32 MCU17:27
Circuit Diagram and RS232 Interface9:25
Testing UART in ATMEGA32 MCU - Part 122:48
Demonstrates testing the ATmega32 USART by transmitting characters to a PC serial terminal at 9600 baud and receiving PC characters to display on a 16x2 LCD, with practical register settings.
Testing UART in ATMEGA32 MCU - Part 212:43
Testing UART in ATMEGA32 MCU - Part 312:27
Testing UART Based Interrupts in ATMEGA32 MCU11:37

Concept of ADC18:15
ADC Registers in ATMEGA32 MCU12:48
Testing Single Channel ADC in ATMEGA32 MCU19:36
Testing Multi Channel ADC in ATMEGA32 MCU12:41
Test and verify simultaneous multi-channel ADC on an ATmega32 by reading two analog inputs and displaying voltage values over serial at 9600 baud.
Testing Differential Channel ADC in ATMEGA32 MCU12:57
Learn how differential channel adc on ATmega32 uses two inputs (positive and negative) to display their difference, with gain 1x and max register last five bits setting.
ADC using Interrupts in ATMEGA32 MCU14:13
Interfacing 4 x 4 Keypad using ADC in ATMEGA32 MCU39:14

Understanding Analog Comparator12:48
Explore the analog comparator in the ATmega32, where AIN0 is the positive input and AIN1 or ADC channels serve as the negative input, with optional bandgap via ACBG.
Testing Analog Comparator in ATMEGA32 MCU17:28
Test the ATmega32 analog comparator using ain0 and ain1 with potentiometers, observe output on PD6 and a Port C bar graph, and configure adc5 as negative input.
Analog Comparator using Interrupts in ATMEGA32 MCU9:51
Theory of On-Board NVS13:55
Testing API's for On-Board NVS in ATMEGA32 MCU16:37

Concept of Timers12:34
Timer 0 Registers in ATMEGA32 MCU7:27
Learn the ATmega32 timer architecture, including timer zero and timer two eight-bit timers and timer one sixteen-bit timer, with normal, counter, output compare, pwm, and input capture modes.
Testing Timer 0 Programs in ATMEGA32 MCU28:03
Test timer 0 on the ATMEGA32 in normal timer, counter, and interrupt modes; learn register configuration and delay calculations with an 8 mhz clock and 1024 prescaler.
Timer 1 Registers in ATMEGA32 MCU6:35
Learn how to program the 16-bit timer1 on the AVR ATmega32 MCU, including timer counter control registers A and B, waveform generation modes, overflow handling, and enabling timer1 overflow interrupts.
Testing Timer 1 Programs in ATMEGA32 MCU18:06
Concluding Timers and Counters7:41
Learn to program timer 0, timer 1, and timer 2 on the ATmega32, handle overflow interrupts, and write test programs, then compare timer-based timing with delay-based approaches for efficient operation.

Timer 0 CTC Mode Registers in ATMEGA32 MCU10:04
understand timer zero in ctc mode on atmega32, generating square waves by clear timer on compare match using the ocr0 register, with frequency set by f osc, prescaler, and ocr0.
Testing Timer 0 CTC Mode in ATMEGA32 MCU26:23
Timer 1 CTC Mode Registers in ATMEGA32 MCU6:13
Testing Timer 1 CTC Mode in ATMEGA32 MCU22:16
Test timer one CTC mode on ATMEGA32 by wiring a circuit with pushbuttons and oscilloscope, configure OCR1A/B for variable on and off times, and verify with interrupts.
Understanding Timer 1 Input Capture Mode7:18
Explore timer 1 input capture mode on the AVR ATmega32, capturing events on the input capture pin to measure timing, frequency, duty cycle, and noise cancellation with edge selection.
Basic Testing of Input Capture Mode in ATMEGA32 MCU20:28
Test the timer 1 input capture mode on the ATmega32 microcontroller using a push button and function generator, displaying capture timing on the serial terminal.
Input Capture Mode Application Program 112:41
Input Capture Mode Application Program 218:30

Concept of PWM16:32
Explore the concept of PWM in AVR ATmega32, define duty cycle control without altering frequency, compare fast PWM and phase-correct PWM, inverted vs non-inverted outputs, and related timer registers.
Testing PWM using Timer 0 in ATMEGA32 MCU13:24
Testing PWM using Timer 1 in ATMEGA32 MCU14:08
PWM Application - Simple LED Dimmer6:04
PWM Application - DC Motor Speed Control11:44
Theory of Servo Motors11:30
Interfacing Servo Motors with ATMEGA32 MCU - Part 122:16
Interfacing Servo Motors with ATMEGA32 MCU - Part 211:24

Requirements

Clarity in "C programming concepts" like Input - Output Statements, Control Statements, Looping Statements, Decision Making Statements, Arithmetic and Bitwise Operations, Types of Operators, Operator Precedence, Typecasting, Pre - Processors and Macros, Arrays, Pointers, Structures, User - Defined Functions, etc.
Sound Knowledge about Basics of Digital Electronics along with brief idea about the working of basic electronic components like resistor, inductor, capacitor, diode, transistor, FET, logic gate ICs, etc.
Basic software like "One Note for Windows 7", MS Word" and "Adobe Acrobat PDF Reader" must be pre - installed in your computer.

Description

"Embedded Systems with AVR ATMEGA32 Microcontroller – An In – Depth Approach" - As the name suggests, this course contains an in - depth analysis of the ATMEGA32 microcontroller along with the absolute fundamentals of microcontroller programming. Now, you must be thinking that, in this modern world where electronics are being powered up using ARM cortex processors and controllers, FPGA's, etc., what is the need for learning an old school controller like ATMEGA32? A very simple answer to this is, if you want to learn the advanced controllers, then it is imperative that you possess a thorough understanding of the fundamental controllers used in embedded system applications and now - a - days, ATMEGA32 is the most beginner friendly microcontroller because it is relatively easy to program and easy to understand.

This course contains a total of 136 lectures divided into 14 sections but I'll layout the entire game plan of this course in 4 major parts: -

You'll be introduced to the ATMEGA32 MCU and its features, followed by detailed discussions about its architecture, memory organization, clock sources, programming techniques, etc. Also you'll know about the various parts, equipment and software that are required and how to work with them.
You'll be beginning your microcontroller programming journey starting with programming and testing of basic ATMEGA32 peripherals like GPIO, UART, ADC, External Interrupts, Analog Comparators and On - Board Non - Volatile Storage. Also you'll be knowing how to interface external peripherals like LED's, pushbuttons, LCDs, relays, dot matrix displays, 7 segment displays, DC motors, Stepper motors, etc.
You'll be dealing with some critical concepts in microcontroller programming like timers, various modes of timers like Counter, CTC, Input Capture and PWM modes. Also you'll be knowing about some less discussed yet important topics like low power modes and watchdog timers along with generation of interrupts by them in the MCU.
You'll be understanding 2 of the most commonly used communication protocols in embedded systems namely SPI and I2C protocols in great details followed by interfacing different external peripherals with the microcontroller using these protocols along with generation of protocol based interrupts in this MCU. Also, towards the end, you'll be dealing with interfacing of complex peripherals like Graphical LCDs and OLED displays with this MCU.

The pattern to learn a given concept in this course is a 5 step process :-

You'll gain an in - depth theoretical background about the concept.
You'll be provided with detailed explanations of vital information present in technical documents / datasheets of the MCU and associated components / peripherals because it is very essential for coding the MCU.
You'll be understanding related circuit connections for testing the concept and the circuit will be explained in schematic and breadboard formats.
You'll be explained each and every line of the programs for testing the concept and the program configurations will be explained with reference to the datasheets of the MCU and its associated components.
You'll be implementing circuit connections on the bench and testing the programs on those circuits.

Now, why should you choose my course at all?

There are 3 good reasons:-

The sheer amount of detail in which each concept of the ATMEGA32 microcontroller has been explored.
Circuits have not been simulated using simulation software because there are times when simulations can fool you completely.
More than 80 programs have been analyzed and implemented practically on the bench.

This course has been designed for beginners in the field of embedded systems programming and also for those who are very enthusiastic about electronics but have absolutely no idea how or where to start from. However, I would recommend having previous knowledge about C programming concepts, fundamentals of digital electronics along with a basic idea of how basic electronic components like resistor, inductor, capacitor, diode, transistor, FET, logic gate ICs, etc. work.

Finally, I'll be truthful and honest with you. I can't guarantee that this course is going to be a fun one or like its going to be a walk in the park but I can definitely guarantee that this course is a powerhouse of knowledge and information about microcontroller programming using ATMEGA32 MCU. Once you have successfully completed this arduous journey of 136 lectures, your knowledge, skill and confidence in embedded systems will be boosted to the next level. So please take this interesting course and I assure you that it'll be worth your every penny. Also please leave a genuine feedback in the end as it will only help me improve more and more. Happy learning!!!

PS. Please view Sections 1 and 2 completely before going for a refund and also do leave an honest review or reason for the refund

Who this course is for:

Students who are currently pursuing their "Bachelors or Masters Degree" in the field of Electrical Engineering / Embedded Systems / Electrical and Electronics Engineering / Instrumentation Engineering / Electronics and Communication Engineering.
Students who have completed their "Under - Graduation or Post - Graduation" in the above mentioned fields and are looking to gain the knowledge and skills to join a company based on embedded systems.
Working professionals in the fields of "Computer science and IT " who are interested to switch their career into the field of embedded systems.
Beginners, enthusiasts and researchers in the "field of electronics", who want to gain an absolutely detailed knowledge about embedded systems and build / innovate projects in this field.

Embedded Systems with AVR ATMEGA32 Microcontroller

What you'll learn

Explore related topics

Course content

Introduction12 lectures • 2hr 47min

GPIO Programming5 lectures • 1hr 18min

Interfacing Basic Peripherals24 lectures • 6hr 49min

External Interrupt Programming3 lectures • 50min

UART Programming8 lectures • 1hr 55min

ADC Programming7 lectures • 2hr 10min

Analog Comparator and On - Board Non - Volatile Storage Programming5 lectures • 1hr 11min

Timers and Counters6 lectures • 1hr 20min

Timer CTC Mode and Input Capture Mode8 lectures • 2hr 4min

PWM Programming8 lectures • 1hr 47min

Requirements

Description

Who this course is for: