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Newly Updated Circuit Projects:

Mobile Phone Controlled Door Lock Circuit

Last Updated on January 8, 2024 by Swagatam 49 Comments

Controlling your door lock through your personal cell phone was never this easy. Learn how to build a simple electronic circuit that will help in converting your ordinary door lock into a high security door lock which can be now controlled through your own cell phone. Your ordinary door lock can be now very easily […]

Filed Under: Security and Alarm Tagged With: Controlled, Door, Lock, Mobile, Phone

Simple Analogue Weighing Scale Meter Circuit

Last Updated on January 8, 2024 by Swagatam 18 Comments

simple weighing scale machine

Learn a super simple procedure to make a weighing scale meter circuit useful for measuring smaller magnitudes of weight. The Concept The concept is very simple, a light beam is allowed to pass through a linearly colored ribbon and fall over an LDR. The color shade of the ribbon positioned in front of the light […]

Filed Under: Meters and Testers Tagged With: Analogue, Meter, Scale, Simple, Weighing

Simple Water Level Indicator Circuits (with Images)

Last Updated on January 8, 2024 by Swagatam 99 Comments

IC 4049 pinout diagram

A water level indicator is an electronic circuit which indicates the various levels of water inside a tank. This happens when rising or dropping water levels come in contact with the respective water sensors arranged step wise inside the water tank at different depths. In this post I have explained 2 interesting ways to make […]

Filed Under: Indicator Circuits, Water Controller Tagged With: Circuits, Images, Indicator, Level, Simple, Water

Simple PIR LED Lamp Circuit

Last Updated on January 8, 2024 by Swagatam 121 Comments

pir light activated sensor circuit

The following PIR LED lamp circuit was designed by me for one of the followers of this blog Mr.Deepak upon his request. The circuit is a LED driver which responds to ambient light as well as to the presence of a human, person or intruder, and varies its illumination accordingly, let’s know more. Technical Specifications “I was looking to […]

Filed Under: Lamps and Lights Tagged With: Lamp, LED, PIR, Simple

Laser Beam Light Activated Remote Control Circuit

Last Updated on January 8, 2024 by Swagatam 27 Comments

laserbeamremotecontrolcircuit

The following post illustrates a simple light toggled/operated remote control circuit, which can be activated by an ordinary flashlight or more effectively through  a laser beam unit (key chain type). The circuit idea may be understood with the below mentioned points: How the Circuit Functions Transistor T3 along with the associated parts and the LDR […]

Filed Under: Remote Control Circuits Tagged With: Activated, Beam, Control, Laser, Light, Remote

Solar Boost Charger Circuit with LED Driver Dimmer

Last Updated on January 8, 2024 by Swagatam 6 Comments

solarboostLEDwithDimmerCircuit

In this article I have explained a simple solar boost charger with LED driver circuit which also includes a single push dimmable feature. The idea was requested by Mr. Ashutosh. Technical Specifications Hi swagatam,Myself Ashutosh. I m very new to ur website, n i ll say u r superb, u r doing one of the […]

Filed Under: Solar Controller Circuits Tagged With: Boost, Charger, Dimmer, Driver, LED, Solar

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