Password based door lock system using 8051 microcontroller circuit design uses five major components – a Microcontroller, an L293D Motor Driver, a DC Motor, a 4×4 Matrix Keypad and a 16×2 LCD. Here, ...

Step 5: Then Copy the generated code and paste in the program of 8051 in Keil uVision. Do some changes and compile the code. Now your code is ready to upload in 8051 Microcontroller. Circuit ...

First we need to connect LCD to 8051, you can learn this from here: LCD Interfacing with 8051 Microcontroller. Then we need to connect GSM module to 8051, now here we should pay some attention. First ...

This project can be use for turning ON/OFF an AC 220v 50Hz device. 8051(89c51) microcontroller is used in this project. 16 x 2 Lcd display is used for displaying time. - mmkumr/Time-Switch-8051. Skip ...

A LCD is interfaced to the microcontroller to display the status and a motor is interfaced to the microcontroller via the motor driver. The motor is rotated forward or backward, depending on the ...

Circuit Diagram and Testing: Below is the circuit diagram for Interfacing 16x2 LCD with PIC Microcontroller.. I have not shown the Power supply or ICSP connection in the above circuit, since we are ...

8051/8032 Assembler course (8): LCD AND KEYBOARD INTERFACING. 8051/8032 Assembler course (8): In this last instalment of the course we first deal with an ever popular subject: how to connect a liquid ...

The speed of the motor is calculated by multiplying the value of final count by 60 to get the speed in revolutions per minute. This value is then displayed on the LCD display. For complete information ...

Electrocardiogram (ECG) monitoring is one of the most important patient vital sign. Many design for ECG amplifier has been established. In this paper we describe a unique design of a single supply ...