Light Emitting Diodes or LEDs are the mostly commonly used components in many applications. They are made of semiconducting material. In this project, I will describe about basics of Interfacing LED with 8051 Microcontroller. Principle behind Interfacing LED with 8051 The main principle of this circuit is to interface LEDs to the 8051 family micro […]
Digital Voltmeter using 8051 Microcontroller
In this project, I’ll show how to design a Digital Voltmeter using 8051 Microcontroller and also explain its working. Voltmeter is a measuring instrument, used to measure the voltage difference between two points in electrical network. Generally, there are two types of voltmeters – one is analog voltmeter and the other one is digital voltmeter. In […]
Digital Clock Circuit using 8051 and DS12C887
In this project, I will show you how to design a simple Digital Clock Circuit using 8051 and DS12C887 as well as DS1307 RTC Modules. Introduction A digital clock displays the time using numbers and it has many applications like cars, railway stations, houses, offices, etc. in order to provide accurate time and date. In […]
Temperature Sensors
Introduction Temperature is the most widely sensed parameter of all physical parameters because of its significance on materials and processes at the molecular level. Temperature is a specific degree of hotness or coldness as referenced to a specific scale. Temperature is also defined as the amount of heat energy in a system or object. Heat […]
Lead Acid Battery Charger Circuit
In this DIY Project, I will show you how to build a simple Lead Acid Battery Charger Circuit using easily available components. This circuit can be used to charge Rechargeable 12V Lead Acid Batteries with a rating in the range of 1Ah to 7Ah. Introduction Lead Acid Batteries are one of the oldest rechargeable batteries […]
Interfacing DC Motor with 8051 Microcontroller
In this project, we will learn about L293D and L298N Motor Drivers and also about Interfacing DC Motor with 8051 Microcontroller with the help of both L293D and L298N. When we talk about controlling the robot, the first thing comes into the mind is controlling DC motors. Interfacing DC motor to the microcontroller is very […]
Mobile Controlled Home Appliances without Microcontroller
In this project, I will show you how to design a simple circuit called Mobile Controlled Home Appliances without Microcontroller. That’s right. Using this circuit, you can control your home appliances without any microcontroller and programming. Introduction Sometimes, unfortunately, we may forget to switch off the appliances like fans and lights while going outside and […]
Electronic Eye Controlled Security System
In this project, we will see a simple Home Security application called Electronic Eye Controlled Security System using LDR as the main sensor and a few other components. Introduction Electronic eye is also called magic eye. As the automation is an emerging technology these days, just imagine a door bell that automatically rings when a […]
Sun Tracking Solar Panel
In this project, we will see a simple Sun Tracking Solar Panel circuit which will track the Sun and position the solar panels accordingly. Introduction As the non renewable energy resources are decreasing, use of renewable resources for producing electricity is increasing. Solar panels are becoming more popular day by day. We have already read […]
Automatic Street Light Controller Circuit Using Relay and LDR
Did you ever think that how the street lights automatically turn ON in the night and turn OFF automatically at morning? Is there any person who comes to ON/OFF these lights? There are several ways to turn on the street lights but the following circuit describes an Automatic Street Light Controller Circuit that uses LDR and […]