8051 MICROCONTROLLER TUTORIALS
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Free Development Toolchain for 8051

Free Development Toolchain for 8051


Here is Free Development toolchain based on SDCC compiler and Eclipse IDE. SDCC is Small Device C Compiler, which support 8051 microcontroller.
This is open source and free to download. On the other hand eclipse is open source IDE, Eclipse IDE is now days used by many vendors and users.

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8051 Programming: Interfacing via Serial Port

8051 Programming: Interfacing via Serial Port


Embedded System development is not an easy task. Major problem is that we do need to see value of variable of our program and information about flow of our program.
For this requirement people use In Circuit Emulator which is costly tool.
And without knowing actually what happening inside microcontroller, it is very difficult to do debugging.

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Interfacing 16x1 LCD display with 8051

Interfacing 16x1 LCD display with 8051


Now a Days, LCD or Liquid Crystal Display are very common for Displaying Alphanumeric characters.  The Working of 16 x 1 LCD is Little Bit Different then of LCD 16 x 2.
In Most of Cases 16 x1  LCD is available without Auxiliary Controller. Means as you see only HD44780 Controller at Back Side. In this section we discuss LCD 16 x 1 with no Auxiliary Controller.


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Stepper Motor: Introduction

Stepper Motor: Introduction


A Stepper Motor is widely used device in position control task. A Stepper Motor is widely used for translates electrical pulses in to mechanical movement. Stepper Motor has a permanent magnet or rotor surrounded by stator.
In this article series, different type of stepper motors and their applications are described.


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Stepper Interfacing with 8051 Microcontroller

Stepper Interfacing with 8051 Microcontroller


The Stepper Motor is easily interfaced with 8051 and ULN 2803.

Darlinton pair with high current rating. User can make Driver Circuit with help of Transistor. But ICís ULN 2803 is best method for ease of design. User can use Pull up and Pull down for enhancing or decaying the value of current.


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How to blink LED connected to 8051 Microcontroller

How to blink LED connected to 8051 Microcontroller


8051 Microcontrollers are widely used by students, learners, hobbyists and professionals.
Objective of this document is to provide information about accessing LED connected directly to GPIO pin of 8051 microcontrollers.
Information provided in this tutorial is applicable to using any GPIO pin of 8051 microcontrollers for output purpose.

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KEIL DEVELOPMENT TOOLS FOR 8051: PART-1 SETUP KEIL IDE

KEIL DEVELOPMENT TOOLS FOR 8051:   PART-1  SETUP KEIL IDE


KEIL is one of the famous IDE for 8051 development. KEIL IDE is used by professionals and by learners also. KEIL IDE is very simple in use. This article will describe how to install KEIL IDE. Second article will describe how to work with KEIL.
KEIL Co. provide evaluation version of their development tool chain. Anyone can download Evaluation version from their website.

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8051 Programming: Interfacing LCD in 4 bit mode

8051 Programming: Interfacing LCD in 4 bit mode


Learn interfacing LCD display with 4 data line only. Generally interfacing of LCD require 8 data lines (D7 to D0) and 3 control lines (RS,RW,EN).
For that microcontrollerís 11 lines are engaged. In case of using 8051 microcontroller most of the times, we cannot effort this in commercial applications, because we require more I/O lines.

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INTERRUPT PROGRAMMING IN 8051

INTERRUPT PROGRAMMING IN 8051


The Microcontroller can serve several devices. The Interrupt is the method to indicate the microcontroller by sending it can interrupt signal.
After receiving an interrupt, the microcontroller interrupts whatever it is doing and serves the device. The program associated with the interrupt is called the interrupt service and routine (ISR).


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LAB SETUP FOR 8051 CONTROLLER FOR STUDENTS AND HOBBYIST

LAB SETUP FOR 8051 CONTROLLER FOR STUDENTS AND HOBBYIST


8051 is a great microcontroller for learning Embedded System and also good for designing small application.
We have created a tutorial to help learner to setup lab for 8051. We have compiled tools for 8051 Microcontroller Lab which easy and suitable for beginners.

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