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Mini Projects

One Transistor Electronic Code Lock System Circuit uses minimal components to deliver maximum security. It combines simple design with new technology. Ideal for keeping personal

The Touch ON and OFF Switch Circuit is built around a 555 timer by making use of the default properties of the Pins of the

Many electrical and electronic appliances require DC or AC power for their operation. While AC power is made available mostly through AC supply mains, DC

Emerging technologies are making our life simpler these days. With the introduction of mobile phones, life has changed rapidly. This is a dream of radio

Have you ever heard about dummy alarm? This is similar to the alarm but this flashes high power Red LEDs for every 5 seconds. This

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

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,