Blinking LED using LPC2148 – ARM Microcontroller Tutorial – Part 3
Interfacing DC Motor with 8051 using L293D – AT89C51
In some of the electronics projects you may want to control a DC Motor with 8051 microcontroller. The maximum current that can be sourced or sunk from a 8051 microcontroller is 15 mA at 5v. But a DC Motor need currents very much more than that and it need voltages 6v, 12v, 24v etc, depending upon the type of motor used. Another problem is that the back emf produced by the motor may affect the proper functioning of the microcontroller. Due to these reasons we...
Interfacing LCD with 8051 using Keil C – AT89C51
Liquid Crystal Display (LCD) is very commonly used electronic display module and having a wide range of applications such as calculators, laptops, mobile phones etc. 16x2 character lcd display is very basic module which is commonly used in electronics devices and projects. It can display 2 lines of 16 characters. Each character is displayed using 5x7 or 5x10 pixel matrix. 16x2 Character LCD Interfacing 16x2 LCD with 8051 using Keil C is bit complex because there is no powerful libraries in...
Using Push Button Switch with 8051 and Keil C – AT89C51
This tutorial is for beginners in the field of microcontroller. In this case the microcontroller is AT89C51, a reprogrammable derivative of 8051. This purpose of this tutorial is to familiarize with the use of push button switch with the microcontroller. It will be useful whenever a decision is to be made according to the press of a switch. If you are not yet started with 8051 with Keil C please refer this tutorial Blinking Led...