Home

Articles, Tutorials on Embedded Systems



Embedded systems

• What are Microcontrollers and their types?
  Microcontrollers are broadly utilized in Embedded System products. An Embedded product uses the microprocessor (or microcontroller) to do a single task only. A printer is an instance of embedded system as the processor in it performs single task only namely receiving the data and printing it.
• What is an Embedded System?
  Microcontrollers are broadly utilized in Embedded System products. An Embedded product uses the microprocessor (or microcontroller) to do a single task only. A printer is an instance of embedded system as the processor in it performs single task only namely receiving the data and printing it.
• Embedded Systems, its type and applications.
  In this article, we are going to learn about Embedded Systems, what are embedded systems, what are its types and applications?
• Microcontrollers vs Microprocessors.
  Microcontrollers vs Microprocessors: In this article, we will learn about the differences between a Microprocessor and a Microcontroller, their main features, advantages and disadvantages in real application.
• How Microcontrollers are different than Microprocessors?
  Learn: What is Microcontrollers and Microprocessors, What are the differences between Microcontrollers and Microprocessors?
• C programming tips for Embedded Development.
  Tips for Embedded Development in C: C programming language is widely used programming language; it’s specially designed for low level programming (Embedded programming). This article contains some of the best Tips that may help you for embedded development.
• Embedded C Interview Questions and Answers.
  Embedded C programming Interview Questions and Answers: This page contains some of the top Interview questions and Answers of Embedded C programming language.

AVR Microcontroller

• What is AVR (Advanced Virtual Risc)?
  In this article, we are going to learn about AVR which stands for Advanced Virtual Risc, AVR is a microcontroller developed by the ATMEL. Here, we will learn its architecture, categories.
• How to blink an LED using the AVR?
  In this tutorial, we will learn how can we blink (On and Off) an LED using AVR? Here, we will learn the concept of blinking LED using program in AVR microcontroller.
• AVR | Blinking 2 LEDs Alternatively with the help of button.
  In this article we would learn a program to blink LEDs using a button such that when our button is in ON condition, LED 1 blinks and when our button is OFF the other LED i.e. LED 2 blinks.
• AVR |Blinking 4 LEDs alternatively.
  In this program, we will learn how we can blink four LEDs alternately with the help of AVR. This program is almost similar to the last program that we learnt i.e. blinking a single LED using the AVR.
• AVR | Rotating DC motor clockwise and anti clockwise using ATmega16 microcontroller.
  In this article, we would learn how to rotate a simple DC motor clockwise and anticlockwise using AVR microcontroller ATmega16?
• AVR | Control the revolution of Simple DC motor.
  In this article, we will learn how to use Push buttons to control the revolution of Simple DC motors? In this we will use two DC motors and two Push buttons; this would be easy for us to understand.
• AVR | Using a Motor Driver to run Motors.
  In this article, we would learn the use of a Motor Driver (L293D), which we will use to increase the revolution of Motors to a faster state.
• AVR | Seven Segments LCD Display.
  In this article we would learn what seven segments are and after that we will create a short program to display numbers in seven segments.
• PIN diagram and registers of 16x2 LCD.
  In this article, we would explore some real world applications of the AVR. Here we would learn about PIN diagram and registers of 16x2 LCD.
• AVR | Masking.
  In this article, we would learn what masking is, it is one of the most used process while writing codes in AVR.
• AVR | Print HELLO WORLD on the 16x2 LCD.
  In this article, we would learn a simple program, about how to print HELLO WORLD on the LCD. As this is our first LCD program I would try to explain you every step in a more detailed way.
• AVR | USART Home Automation.
  In this article, we are going to learn about the Universal Synchronous and Asynchronous serial Receiver and Transmitter (USART) Home Automation.
• Create counter using an 8-bits LCD | AVR.
  In this article, we would learn to create a counter using an 8-bits LCD using AVR Microcontroller using Embedded C language code.
• Interrupt and Its Use | AVR.
  In this article, we will learn what an interrupt is and also we would learn an application/sample program to use the interrupt?

8051 Microcontroller programming

• Pin Description of 8051 Microcontroller.
  Pin Description of 8051 Microcontroller: In this article, we will discuss about the external structure of 8051 family microcontrollers. The Various Ports and the functions performed by specific pins in a microcontroller.
• Oscillator Frequency in Microcontrollers.
  Oscillator Frequency in Microcontrollers: In this article, we will discuss about what is oscillator frequency in microcontrollers, why are they required and why they are an important aspect of embedded systems development? We will also learn about the basic concept of Timers and Interrupts in embedded system.
• 8051 Microcontroller programming using Keil Uvision IDE.
  In this tutorial, we will learn how to do programming on an 8051 microcontroller in a stepwise manner? First, we will learn how to setup the Keil uvision IDE, then we will move on how to compile a simple C program and finally generating hex code to burn in the microcontroller?
• How to upload HEX code to microcontrollers?
  In this article, we will learn how we can upload a HEX file/ HEX code to Microcontrollers? After executing embedded C code on Keil compiler HEX file is generated and here we will learn how to upload it into the microcontroller?
• Hello world program for 8051 Microcontroller.
  In this section we will discuss about the most basic and introductory program in embedded C by flashing the LED of the 8051 microcontroller.
• Accessing Ports and Pins in 8051 Microcontroller.
  In this article, we will discuss about how to access and write instructions for various ports and their specific pins through C programming using Keil?
• Reading and Writing values in Microcontroller Ports.
  In this article, we are going to learn - how to read and write values (bytes, bits) in Microcontroller’s ports?

8085 Microprocessor

1. Addition of two 8 bits numbers in 8085 Microprocessor
2. Addition of two 8-bits numbers in 8085 Microprocessor with carry
3. Subtraction of Two 8 bits number with consideration of Borrow in 8085 Microprocessor
4. Subtraction of Two 8 bits number without borrow in 8085 Microprocessor
5. Division of two 8 bits numbers using 8085 Microprocessor
6. Maximum of two 8 bits number in 8085 Microprocessor
7. Minimum of Two 8 bits number in 8085 Microprocessor
8. Multiplication of two 8 bits numbers using 8085 microprocessor with carry
9. Reverse an 8 bits number | 8085 Microprocessor
10. 1's and 2's Compliment of 8 bits number in 8085 Microprocessor
11. Check for EVEN or ODD (8 bits) using 8085 Microprocessor
12. Convert a binary number into ASCII number | 8085 Microprocessor
13. Convert an 8 bits number into its Gray number | 8085 Microprocessor
14. Access Flag register and exchange the content of flag register F with register B | 8085 Microprocessor
15. Print the table of a given number | 8085 Microprocessor
16. Addition of two 16 bits numbers in 8085 Microprocessor using 16 bits operation
17. Swap two 16 bits numbers using direct addressing mode
18. 2's Compliment of 8 bits number with carry
19. Multiplication of two 8 bits numbers using logical instructions
20. Addition of three 16 bits numbers | 8085 Microprocessor
21. Fibonacci series program | 8085 Microprocessor
22. Assembly language program in 8085 microprocessor to multiply two 16 bit numbers
23. Write the 8085 instructions which reset the accumulator
24. Addition of two 8-bit BCD numbers | 8085 Microprocessor
25. Swap two 8-bit numbers using Direct addressing mode | 8085 Microprocessor
26. Masking of lower and higher nibble of 8-bit number | 8085 Microprocessor
27. Exchange content of HL register pair with DE register pair
28. Flag registers of 8085 Microprocessor
29. Find square of an 8-bit number | 8085 Microprocessor
30. Find square root of an 8-bit number |8085 Microprocessor

8086 Microprocessor

1. Addition of two 16 bits numbers without carry using 8086 Microprocessor
2. Subtraction of two 8 bits BCD numbers | 8086 Microprocessor
3. Subtraction of two 16 bits numbers without carry using 8086 Microprocessor
4. Multiply two 8 bits number | 8086 Microprocessor
5. Multiplication of two 16 bits numbers without carry using 8086 Microprocessor
6. Find sum of the digits of an 8 bits number using 8086 Microprocessor
7. Find sum of two arrays of 8 bits N numbers using 8086 Microprocessor
8. Reverse an 8-bit number | 8086 Microprocessor
9. Reverse a 16 bits number using 8086 Microprocessor
10. Print the table of a given number | 8086 Microprocessor
11. Convert an 8 bits number into its Gray number | 8086 Microprocessor
12. Add Hexadecimal numbers stored in Continuous Memory or in an Array
13. Calculate the factorial of a number | 8086 Microprocessor
14. Divide a 16 bits number by an 8 bits number | 8086 Microprocessor
15. Swap Two 8 bits numbers | 8086 Microprocessor
16. Find addition of two 8-bit BCD numbers | 8086 Microprocessor
17. Find the minimum value in a given array | 8086 Microprocessor
18. Find the largest among 8-bit N numbers | 8086 Microprocessor
19. Sort numbers in ascending order in an array | 8086 Microprocessor
20. Find minimum of two 8-bit numbers | 8086 Microprocessor
21. Find minimum of two 16-bit numbers | 8086 Microprocessor
22. Find the maximum of two 8-bit numbers | 8086 Microprocessor
23. Find maximum of two 16-bit numbers | 8086 Microprocessor
24. Subtract Two 16-bits numbers | 8086 Microprocessor
25. Convert 8-bit ASCII to BCD number | 8086 Microprocessor
26. Find Square Root of a number | 8086 Microprocessor
27. Show masking of lower and higher nibbles of 8-bit number | 8086 Microprocessor
28. Show masking of lower and higher nibbles of 16-bit number | 8086 Microprocessor

Misc.

1. L293D Motor Driver IC
2. The 8255 programmable IC