Electronics

A car battery is a typical lead acid battery with about 6 cells, each of 2V such that the total battery voltage is around 12V.

We know the importance of notice boards in public places like railway stations, bus stations and airports. But changing notices day-to-day is a difficult task.

A GPS module is a device that uses Global Positioning System to determine the location of a vehicle or person. GPS receivers are used to

We have already studied how to control the home appliances using RF communication in the post RF Remote Control Circuit for Home Appliances. Now let

Audio crossover is an electronic filter used in audio applications to send the appropriate signal to the speakers or drivers. Most of the speaker drivers

This circuit protects the costly equipment like TVs, air conditioners, Refrigerators, etc. from high voltages as well as low voltages. If the supplied voltage is

GSM controlled robot or SMS controlled robot is a wireless robot which performs the necessary actions by receiving a set of instructions in the form

Land mines buried under the ground causes threat to the lives and affect the economy of the nation. Detection and removing of these mines manually

Generally, appliances used in our home are controlled with the help of switches. These days, you can see many technologies used in home automation projects.

This circuit is designed to alert the user when an intruder enters into the home. If there is any obstacle in front of IR sensor,