Here is the circuit diagram of Electronic code lock system using 8051 microcontroller. It is very useful at residential places to ensure better safety. This system demonstrates a circuit named ...

This post explains about the design, development and operation of the Celsius scale thermometer using LM35 and microcontroller AT89C51. The circuit works on the principle of analog to digital ...

This project implements a Line Following Robot (LFR) using an 8051 microcontroller, IR sensors, and a motor driver (L293D). The robot follows a black line on a white surface by continuously sensing ...

This file type includes high resolution graphics and schematics when applicable. This 8051 microcontroller-based control circuit adjusts the speed of a small permanent-magnet dc motor via photosensors ...

The Electronic Voting Machine (EVM) is a simple electronic device used to record votes in place of ballot papers and boxes which were used before in conventional voting system. Electronic voting ...

Abstract: This paper describes the susceptibility measurement studies performed on Intel's 8051 microcontroller based controller circuit against Radio Frequency (RF) signals. Several versions of the ...

Abstract: Contribution: This study focuses on microcontroller circuits and aims to: 1) investigate the impact of formal reasoning on students’ post-knowledge using catastrophe theory; 2) compare the ...