Displacement Alarm

 Warns if an object is moved. Small gadget - 9V Battery supply Circuit diagram:   Parts: R1--220R  1/4W Resistor R...

Format or Flash Nokia Mobile Using Nokia Service Software ( Phoenix)

Hi!... This post is related how to format or Flash our Nokia mobiles having OS likely S40, S60, Anna, Belle or Lumina etc. Recent I tried...

Class B Amplifier (45W)

Parts:   R1______________18K  1/4W Resistor R2_______________3K9 1/4W Resistor R3,R6____________1K  1/4W Resistors R4______________...

Download DUAL- COLOUR STROBOSCOPE Project

Stroboscope is a device used to make a cyclically moving object appear slow-moving or stationary. This is realised by illuminating the ob...

Download Intercom Using LM386 project

Keep in touch with your family members from one room to another and also from outside areas such as the garage, using this intercom circu...

Download Versatile DC-DC Converter

Here is a versatile power coupler that connects a device to 5V-19V DC generated from AC mains by a power adaptor. Power adaptors come in...

Download Oxide Humidity Sensors Seminar Report

Humidity has a profound effect on product quality, safety, & cost in industry. This has spurred interest in improving humidi...

POWER SOCKET OF SAFE CIGARETTE LIGHTER

C igarette lighter sockets available on the dashboards of some vehicles act as a heat source to light cigarettes. Besides, these can ...

Loudspeaker Impedance Meter

Circuit diagram: Parts: P1--4K7 Linear Potentiometer R1--12K 1/4W Resistor R2--2K2 1/4W Resistor R3--1K 1/2W Trimmer (Cermet) R4--...

Digital visitor counter

Digital visitor counter is a reliable circuit that takes over the task of counting Number of Persons/ Visitors in the Room very Accurate...

Voltmeter with Analog To Digital Conversion

This is a simple Digital voltmeter project mainly focusing on designing condition circuits and demonstrating a use of Analog to Digital C...

GLOW PLUG CONTROLLER USING MOSFET

In diesel engines, the air in the cylinders is not hot enough to   ignite the fuel under cold conditions. Therefore each cylinder of these ...

PULSE GENERATOR USING IC CD4017

PULSE GENERATOR This circuit is very useful while checking/operating counters, stepping relays, etc. It avoids the procedure of setting...

Inverter for Soldering Iron Using Transistor

Inverter for Soldering Iron          H ere is a simple but inexpensive inverter for using a small soldering iron  (25W, 35W,etc...

INFRARED CONTROLLER FOR TOYS

This add-on circuit enables remote switching on/off of battery-operated toy cars with the help of a TV/ video remote control handset ope...

REMOTE CONTROL FOR DOMESTIC APPLIANCES

Connect this circuit to any of your home appliances (lamp, fan, radio, etc) to make the appliance turn on/off from a TV, VCD or DVD remo...

MOBILE BUG CIRCUIT

This handy, pocket-size mobile transmission detector can sense the presence of an activated mobile phone from a distance of one and a-h...

Control your PC with TV Remote

Now you can control your mouse cursor and windows media player with your TV remote… So when you are watching a movie or listening songs ...