Saturday 18 July 2015

How to Build a Simple Thermostat Circuit Using Transistors

The electronic thermostat discussed here enables you to control the room temperature by properly switching (switching on and off) a heating device.

Sunday 12 July 2015

How to build a Extended Telephone Ring Amplifier/Repeater Circuit

The talked about phone repeater circuit can increase the range of your land line ring sound from the phone such the particular one has the capacity to make a call heard in another room or perhaps in another house.

How to build a Simple Music Box Circuit

This uncomplicated circuit are useful to obtain the operation of a music box.

How to Build a Proximity Detector Circuit Using IC 555

In this post we discus an ordinary IC 555 based proximity detector circuit.

How To Make a Infrared Remote Control Security Lock Circuit for Automotive Applications


A basic, inexpensive yet practical infrared based remote controlled security lock may be analyzed in this article post.

How To Build a Light Activated Water Level Controller Circuit

The light turned on water level controller circuit described in this article possesses the benefit of being corrosion free and significantly dependable compared to the traditional moisture sensor type of water sensors.

How to build a Voltage Stabilized Transformerless Power Supply Circuit

The article reveals precisely how a regular capacitive power supply might be changed into a surge free voltage maintained or adjustable voltage transformerless power supply relevant for just about all regular electronic loads and circuits.

How To Build a Cellphone Jammer Circuit Explored

This is certainly a RF jammer manufactured for the U.S. 800 MHz cellular phone band (870-895 MHz).

How To Build a 6V to 220V Boost UPS Circuit for Satellite TV Modems

The submit describes a basic boost converter UPS circuit for providing an uninterruptible power to satellite TV set top boxes to ensure that the offline recording is rarely permitted to fail in the course of power outages.

How To Build a Car Interior Light Fader Circuit

The article describes an easy circuit that are available for generating a slow fading light consequence at any moment it's turned OFF. The application could possibly be usually employed in car interior lights.

How to Build a SG 3525 Automatic PWM Voltage Regulation Circuit

The article describes a basic design which is often applied with all SG 3525/3524 inverter circuits for applying automatic PWM output voltage control by the IC.

How to Build a LED Cricket Stump Circuit at home

In this particular publish we discover ways to generate an LED cricket stump for serving umpires declare a quick and easy OUT, NOT-OUT decisions.

How to Build a Digital Stop Watch Circuit

In this post we are going to research a digital stop watch design set up around the extremely popular IC LM555 in combination with a 4-digit counter IC with multiplexed 7-segment output drivers (MM74C926).

How to Build a Simple Digital Clock Circuit Explained

The digital time clock described let me share a circuit which most electronic amateurs would absolutely love to create.

How To Build a Sinewave Inverter Circuit Using Arduino

The publish describes how you can develop a basic sinewave inverter circuit choosing PWM feed from an Arduino Uno board, the post also talks about a sinewave 3 phase inverter utilizing the same input from an Arduino.

How to build a Strong RF Discharge Circuit

In this post we research an RF discharge generation idea effective at generating a powerful RF electrical discharge in the air which can possess the possibilities of paralyzing all electronic systems in the close surrounding area

Saturday 11 July 2015

How to Build a Mains Over Load Protector Circuit for Lathe Machine

The post talks about a basic overload cut off circuit for preserving heavy mains controlled machines for example a lathe machine.

How To Build a Digital Voice Changer Circuit

The publish describes a circuit which includes the capability to modify or transform an individuals unique voice into a totally new form.

How To Build a Fan Speed Controller for Heatsink

In this article we analyze regarding a automatic fan speed regulator circuit for managing the temperature of a heatsink and from stopping the temperature to erach harmful stages.

How To Build A Digital Christmas Candle Light Circuit

The publish discuses a consequently improving 25 LED timer circuit which can be activated on the 1st day of December to ensure that each LeD illuminates on each day until the 25th of December (on Christmas) when all the 25 LeD can be viewed lighted.

How To Build Battery Charging Fault Indicator Circuit

The content describes a battery status indicator circuit that is also effective at showing irrespective of whether the battery condition is good, bad or damaged.

Remote Controlled Door Lock Circuit Using Infared

In this post we find out about a basic infrared based remote control door lock circuit that are available for securely locking doors by means of unique foolproof IR frequencies.

How to build a Simple DC to AC Inverter Circuit

The article discuses a basic 220 V to 220V DC online UPS inverter circuit.

Friday 10 July 2015

PIR Relay Motion Alarm Circuit

The article describes a basic motion activated PIR relay circuit that are available for activating lights only in the existence of a human, hence preserving valuable electric power.

MPPT Lead Acid Battery Charger Circuit

The publish describes an efficient MPPT lead acid battery charger circuit utilizing the IC bq2031 from TEXAS INSTRUMENTS.

5 Amp Li-ion Charger circuit

Li-Ion Charger Circuit High current 12V, 24V input
The demonstrated Li-ion Charger circuit is highlighted to charge any Li-ion battery upto 5 AH with the demonstrated IC2, or for 10AH batteries if IC2 is properly replaced with a LM396

Which is Better? MPPT or Solar Tracker

The article investigates two preferred solar harnessing counterparts the MPPT along with the solar tracker, and figures out the important features between these two excellent free energy spinning devices.

Charging Current Indicator Circuit for Batteries

Within this post we find out about a basic battery current sensor with indicator circuit which allows the amount of current used by the battery while charging or by any other load and displays it by means of discrete LEDs.

Calculating Resistors in Electronic Circuits

In this particular post we discover ways to utilize resistors while designing an electronic circuit. This informative article can be very helpful for the new hobbyists who usually obtain confused with the resistor values to be utilized for a particular component and for the preferred application.

Tuesday 7 July 2015

LED Brake Light Circuit for Motorcycle and Car

LEDs are a lot economical compared to ordinary incandescent lamps or perhaps the advanced halogen lamps with regards to their effectiveness, luminance and life.

Sunday 5 July 2015

Making a Toy using a Motor Circuit

The suggested motor toy circuit which functions an automatic forward reverse actuation employing a sequential delay timer circuit could be visualized in this article diagram:

Easy Ways to Automate Your Housekeeping with Smart Devices

In an generation of technological innovation and automation, it is possible to concentrate on gadgets that require additional time instead of technology configured to free up valuable time. Life could possibly be made faster and easier by allowing technology clean the floors, the air, wash and iron clothes, and feed the pets.

How to Protect Motor from Overcurrent

Talking about the following drawn 12v motor current control schematics, the idea definitely seems to be right, nevertheless the circuit achievement particularly in the second diagram appears inaccurate.
Let's examine the diagrams one at a time:

Saturday 4 July 2015

Remote Controlled Fan Regulator Circuit

The article talks about a basic infrared controlled fan regulator or dimmer circuit applying normal parts for example a 4017 IC and a 555 IC.

Thursday 2 July 2015

Valve Timer Controller Circuit for Controlling Water Flow

The suggested water flow controller circuit utilizing a valve timer circuit may be executed by utilizing a basic two stage programmable timer design, as demonstrated in the above diagram.

Ultrasonic Remote Control Circuit

This content talks about regarding a basic ultrasonic remote control circuit that can be used to switch any equipment utilizing the relay in the receiver circuit.

Blown Car Bulb Indicator Circuit

By presenting the above demonstrated circuit between the lamp along with the supply, the proposed blown brake light bulb indicator may be very easily developed and used in almost any vehicle.

Variable Voltage Switch Mode Power Supply (SMPS) Circuit

This content attempts to figure out an approach by which any SMPS might be created into a variable power supply for obtaining any preferred voltage level from 0 to maximum.

Friday 26 June 2015

Making a Remote Controlled Trolley Circuit

The publish describes steps to make an inexpensive yet strong remote controlled trolley which happen to be maneuvered left, right, forward and reverse as needed, by the user utilizing the presented remote handset. The concept will not depend upon an MCU circuit.

How to Use a Microwave Sensor or a Doppler Sensor

In this post we learn the microwave sensor IC KMY 24 and make sure to recognize its properties and its pinout achievement information.

Thursday 25 June 2015

Adding a Adjustable Current Control Feature to an SMPS Circuit


This informative article addresses an approach by which any ready made SMPS may be transformed into a variable current smps circuit utilizing a couple of external jumper links.

DC to DC Cree XM-L T6 10 watt LED driver Circuit

For a battery functioned circuit the LED driver could possibly be made by means of a current controller stage, simply because here voltage regulation is not crucial which enables it to be discarded.

How to Connect Multi-color Mismatch LEDs

For a beginner or a new hobbyist wiring LED lights could possibly appear complicated with lots of concealed intricacies, basically it really is not.

RGB LED Flasher, Chaser Circuit

According to the recommended series structure, a basic design making use of a 4017 IC and a 4060 IC can be utilized for applying the offered RGB LED controller circuit.

How to Connect Power LEDs with Arduino

For managing 9nos of 1 watt LEDs with each other by means of an Arduino, the following easy set up might be integrated with the aid of a 12V external supply:

Solar Lamp with Battery Charger Circuit

In the revealed SMD solar LED light circuit above, we understand the following steps:

Wednesday 24 June 2015

Selectable CDI Spark Advance/Retard Circuit for Motorcycles

In this particular post we are going to find out about a basic circuit that enables a manual change characteristic for the glow timing of a motorcycle's CDI often to accomplish an progress ignition, retarded ignition or simply a standard timed ignitions.

Simplest 220V mains LED string Light Circuit

LEDs are not the same from filament bulbs and are a lot susceptible to present changes, without a reducing capacitor the LEDs will begin blowing off with the merest voltage changes if linked instantly or by means of resistors. consequently a suggested capacitive power supply circuit needs to be utilized along with it.

Red, Green,Blue, RGB Driver Circuit



In accordance with the datasheet of this LED the three leads on each side correspond with the three leads on the other side on a straight line such that the two straight ends left to right form the terminals of the red, green, blue LEDs inserted respectively inside the package.

Pulse Width LED Light Controller Circuit

To start with let's find out about a 12V LED PWM controller circuit, afterwards at the concluding portion of the article we'll notice how the identical might be executed utilizing 5V supply along with a mosfet.

Getting 3.3V, 5V from 12V without ICs or inductors

In this post we search for easy ways of deriving lower voltages from higher voltage sources, for example 3.3V or 5V from a 12V or a 24V source.

Monday 22 June 2015

Transformerless 1 Watt LED Bulb Circuit

At this moment 1 watt LEDs have become poplar and these are definitely utilized in most LED bulb purposes. Despite the fact that these are extremely valuable when considering light intensity levels and existing utilization, these kinds of high watt LEDs necessitate a remarkable heatsink in an effort to place them operating appropriately and optimally.

Making a Gravity LED Lamp Circuit

Gravitational force is an incredible supply of energy, adequately accessible around the world, and readily available, in spite of this, not a single person yet happens to be capable of transfer this force into free energy (continuous), just because that is certainly unachievable.

Free Electricity from your Shoes - Learn How to make it

In this post we can learn how to achieve electricity from our shoes while walking. This electricity could possibly be all together useful for charging a cellphone battery.

Simple Windmill Battery Charger Circuit

The post reveals steps to make an easy windmill generator circuit that are available for charging batteries, or for functioning any required electrical devices, for the duration of 24 hours a day, cost free.

Sunday 21 June 2015

Bi-Color LED Driver Circuit



This transformerless mains power supply circuit makes it possible for flashing of a Bi-color 100 LED string, in an alternately switching red, green impression.

Up Down Push Button LED Control Circuit



This specific circuit works extremely well for changing an LED bar graph in the " up " pattern or down order by having a two press button switches. The idea could be enforced for several other handy purposes.

Atomizer Heat Controller Circuit

An atomizer is a little battery controlled heating product manufactured for heating a provided liquid until it vaporizes and runs away into the environment via the given nozzle of the atomizer device.

Charging Cellphones from Pendulum Electricity - Circuit Diagram


This pendulum electricity generator work extremely well in villages for charging cellular phones totally free through implementing temporary shoves into the pendulum regularly or even expected the whole day.

Making Electricity from Sea Water

The set up discussed in the below given content is an an easy to create system and can be intended for producing enormous portions of free electricity via sea wave as required.

Saturday 20 June 2015

Motor Soft Start Circuit Using PWM Technique

High wattage motors for example pump motors or other types of heavy commercial motors often pull out vast current during their initial power turn on, which in turn impacts the correlated fuses and switches adversely leading to these to either damage of or corrode overtime. In order to correct the situation a soft start circuit becomes highly important.