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Automatic Temperature Controlled Fan

Here is a circuit through which the speed of a fan can be linearly controlled automatically, depending on the room temperature. This temperature controlled...
eee projects

Electrical Engineering Projects | Electrical Engineering Project Ideas

Engineers are always in search of projects, and finding meaningful projects makes that search worthwhile. Listed below are some electrical engineering project ideas for...

Operational Amplifier Gain And DC Offset Program

Presented here is a program to find the gain and DC offset values of an operational amplifier (or op-amp). While doing practical electronics experiments,...

Simple DC To DC Converter For Microcontroller Kit

This article describes a simple, low-cost DC to DC converter for a microcontroller (MCU) kit. This converter is built around popular NE555 timer. It...

LED As Light Sensor

Usually light dependent resistors (LDRs) and photodiodes are used as light sensors to activate or deactivate circuits based on the presence or absence of...
detection alarm circuit

Smoke, Alcohol and LPG-Detection Alarm

Presented here is a circuit for raising an alarm on detecting smoke or LPG cooking gas leakage, or even alcohol vapours in breath. This...

Optical Smoke Alarm

An optical smoke alarm (also called photo-electric smoke alarm) works using the light scatter principle. The alarm contains a pulsed Infra red LED which...

Solve Electrical Circuits With Solve Elec

Solve Elec, as the name says, is a software that makes the task of dealing with electrical designs a lot easier. Right from the...
low cost high impedance buffers circuit

Low Cost High Impedance Buffers for Oscilloscopes and Voltmeters

Most of the low cost digital oscilloscopes and voltmeters have input resistance around 1 MOhm and input capacitance around 100pF. But in many case...
Bipolar power supply

Bipolar Power Supply with LM317T and with LM337T Controllable with Stereo Potentiometer

LM317T and LM337T are well known and low cost adjustable voltage regulators with current limiting up to around 1.5A and power dissipation up to...

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