Filter by Categories
HomeEngineering Projects For YouBeginners Projects

Beginners Projects

Programmable Electronic Dice

Here’s a simple programmable electronic dice with numeric display. This dice can be programmed using a 4-way DIP switch to display any random number...

Electric Fly Swatter

None of us likes bugs at home. To kill these flying insects, they should first be attracted and then electrocuted. An electric fly swatter...

Remote Controlled Musical Bell

This is a circuit for a knock alarm that uses a piezoelectric plate to detects vibration due to knocking and activates an alarm for about ten seconds.

Electronic Combination Lock

This 7-digit combination lock can be easily hard-wired for any combination that you choose. The circuit uses a 4-bit, divide-by-8 Johnson counter (IC1), ten pushbutton switches and npn transistor T1

Muscular Stimulator

Here is a circuit that stimulates nerves of that part of your body where electrodes are attached. It is useful to relieve headache and...

Room Sound Monitor

With this simple sound monitor circuit, you can secretly listen to conversations going on in a room. The circuit is very sensitive and powered...

Smart Hearing Aid

Normally, hearing aid circuits consume battery power continuously once they are switched on. The smart hearing aid circuit given here saves battery power by...

Wireless Switch

Normally, home appliances are controlled by means of switches, sensors, etc. However, physical contact with switches may be dangerous if there is any shorting....

Night Alert System

Idea of this night alert system came to me one midnight when my pet dog started barking continuously on sensing a moving shadow, perhaps...

USB Power Socket

Today, almost all computers contain logic blocks for implementing a USB port. A USB port, in practice, is capable of delivering more than 100...

Skin Resistance Meter

Human skin offers some resistance to current and voltage. This resistance changes with the emotional state of the body. The skin resistance meter circuit...

Remote Operated Switch

Generally, a bedside master switch is used to switch on lamps both indoors and outdoors when there is a threat of intruder. This remote...

Fully Automatic Emergency Light

This is a circuit for an emergency light that automatically turns on when the supply is gone and turns off when supply resumes. It is rechargeable and stops charging the battery when the battery is full.

Automated Alarm Circuit

Two automated alarm circuits are presented here. One produces bird-chirping sound and the other British police siren tone. Fig.1 shows the circuit of the...

Anti-Sleep Alarm for Students

This anti sleep alarm circuit saves both time and electricity for students. It helps to prevent them from dozing off while studying, by sounding...

Efficient Egg Candler

Candling eggs, while they are incubating, is the proven method to test them for fertility. Often, egg candling is done using a light source...

Micro-Solder Pot

To make a great solder joint, component preparation is a must. It is very important to clean component leads, wires and contact surfaces prior...

Midget Vibration Detector

This article describes a low-cost sensitive midget vibration detector that can interface directly with any microcontroller. The entire circuit operates off a single 5...
1...151617...38Page 16 of 38

Most Popular DIY Projects

Unique DIY Projects

Electronics News

Truly Innovative Electronics

MOst Popular Videos

Components Corner