Electronics

Mobile communication is an emerging technology these days. GSM is the acronym for Global System for Mobile Communication. GSM module is wireless modem that transmits

This circuit is a temperature sensing as well as alarm circuit. The circuit raises an alarm whenever the temperature crosses a certain limit. Temperature monitoring

We all have a doorbell at our homes. When a visitor comes to our house, he searches for the doorbell switch and then rings it

The Water Level Indicator employs a simple mechanism to detect and indicate the water level in an overhead tank or any other water container. The

A Line Follower Robot, as the name suggests, is an automated guided vehicle, which follow a visual line embedded on the floor or ceiling. Usually,

A Temperature Controlled DC Fan is a system which automatically turns on a DC Fan when the ambient temperature increases above a certain limit. Generally,

An air flow detector circuit is an electronic system designed to sense/detect the presence or absence of air movement in a given system or environment.

In this project, we have built an Ultrasonic Rangefinder using 8051 Microcontroller and Ultrasonic Sensor. We have different ways to measure the distance. One way

Mosquito repellents like coils, mats, liquid vaporisers, creams are often used at various places. However they are prone to be fatal and can cause harm

The circuit which we have explained below is used to generate the output voltage whose magnitude is just double of the supplied input voltage. In