Electronic Projects

Water Level Controller using 8051 Microcontroller:


 

Here we are designing the circuit which is used to detect and control the water level automatically in overhead tank using 8051 microcontroller. It is used in industries to control the liquid level automatically.

 

Password Based Door Lock System using 8051 Microcontroller:


 

This system demonstrates a password based door lock system where in once the correct code or password is entered, the door is opened and the concerned person is allowed access to the secured area. After some time, the door would be closed.

 

Interfacing GPS with 8051 Microcontroller:


 

In this interfacing of GPS with 8051 circuit, GPS module calculates the position by reading the signals that are transmitted by satellites.

 

Wireless Mobile Battery Charger Circuit:


 

This circuit mainly works on the principle of mutual inductance. This circuit may be used as wireless power transfer circuit, wireless mobile charger circuit, wireless battery charger circuit, etc.

 

Wireless Switch Circuit using CD4027:


 

This is a simple circuit which needs no physical contact with the appliance. In this circuit, all you need is to pass your hand above LDR to ON or OFF the switch.

 

Temperature Controlled DC Fan using Microcontroller:


 

The main principle of the circuit is to switch on the fan connected to DC motor when the temperature is greater than a threshold value.This can be used in home applications and in CPU to reduce heat.

 

Cell Phone Controlled Robotic Vehicle:


 

This is simple DTMF based Cellphone controlled robotic vehicle circuit without using microcontroller. It can be used in industries and surveillance systems.

 

Fire Alarm Circuits:


 

The fire alarm circuits are used to detect the fire automatically and inform to the people immediately with an alarm.

 

RFID based Attendance System:


 

This simple RFID based attendance system is designed using Atmega 8 Microcontroller and is mainly used in educational institutions, industries, etc. where authentication is needed.

 

DTMF Based Home Automation System Circuit:


 

This is a simple and very useful circuit in our real life named DTMF controlled home appliances system. It helps to control the home appliances using DTMF technology.

 

Automatic Plant Irrigation System:


 

This project circuit is more useful in watering plants automatically without any human interference. It is more useful when the owner is not present in the home for few days.

 

Automatic Battery Charger:


 

This charger automatically shut off the charging process when battery attains full charge. This prevents the deep charging of the battery. If the battery voltage is below 12 V, then circuit automatically charges the battery.

 

 

Automatic LED Emergency Light Circuit:


 

This is the simple and cost effective automatic emergency light circuit with light sensing. This system charges from main supply and gets activated when main supply is turned OFF. This emergency lamp will work for more than 8 hours.

 

Biometric Attendance System:


 

The main aim of this circuit is to take the attendance using biometric method and display when requested. This can be used in educational institutions, industries, etc.

 

Metal Detector Circuit:


 

This is a simple metal detector circuit which is very useful for checking the person in shopping malls, hotels, cinema halls to ensure that person is not carrying any explosive metals or illegal things like guns, bombs etc.

 

Automatic Washroom Light Switch:


 

This is a simple but very useful circuit in our real life which helps to automatically turn On the lights when a person enters the washroom and it automatically turns Off the lights when he leaves it.

 

Automatic Door Bell With Object Detection:


 

This automatic doorbell with object detection circuit helps to sense the presence of a person or an object automatically and rings the doorbell.

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