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Newly Updated Circuit Projects:

Digital Clock Activated Water Level Controller Circuit

Last Updated on June 18, 2020 by Swagatam 12 Comments

real time water level controller circuit

An automatic clock time triggered water level controller circuit which responds to a real time clock input is discussed in the following article. The design also includes a water detection stage which makes sure the initialization takes place only in the presence of water in the tank or the pipe. The idea was requested by […]

Filed Under: Timer and Delay Relay, Water Controller Tagged With: Activated, Clock, Controller, Digital, Level, Water

Modifying Car Turn Signal Lights, Park-Lights and Side-Marker Lights

Last Updated on May 16, 2026 by Swagatam 53 Comments

modified park lights

In this post I have explained an innovative circuit modification which allows a single common lamp to be used as a parking light, turn signal indicator light, as well as a side marker light on the relevant positions. The idea was requested by Mr. Chris Technical Specifications I have a project that is slightly related […]

Filed Under: Automobile Electronics Tagged With: Lights, Modifying, Park, Side, Signal, Turn

Programmable Temperature Controller Circuit with Timer

Last Updated on January 8, 2024 by Swagatam 3 Comments

programmable temperature controller circuit

Here I have explained about a circuit configuration which produces adjustable sequential timing outputs for controlling a heater device through a simultaneously sequencing temperature controller circuit which can be also pre-programmed for acquiring the desired temperature levels across the sequencing time slots. The idea was requested by Mr. Carlos Technical Specifications I’m Carlos and I […]

Filed Under: Temperature Controllers, Timer and Delay Relay Tagged With: Controller, Programmable, Temperature, Timer

2 Useful Energy Saver Solder Iron Station Circuits

Last Updated on January 19, 2025 by Swagatam 23 Comments

In this post I have explained how to build a energy efficient soldering iron station circuit for achieving maximum power saving from the unit, by ensuring that it is automatically switched OFF when not being used for sometime. Written and Submitted By: Abu-Hafss DESIGN#1: OBJECTIVE To design a circuit for solder iron which would not […]

Filed Under: Temperature Controllers Tagged With: Energy, Iron, Saver, Solder, Station, Useful

Key Finder or Pet Tracker Circuit

Last Updated on August 30, 2019 by Swagatam 69 Comments

Rx

Pets and kids (under 4) have one thing in common, they are curious by nature and love venturing into unknown zones ending up in some sort of mess or trouble. Pet or kid tracker equipment which are quite similar to a key finder circuit were specifically designed for solving this issue, here I have explained […]

Filed Under: Security and Alarm Tagged With: Finder, Tracker

Electronic Component Buying Guide for New Hobbyists

Last Updated on May 17, 2026 by Swagatam 8 Comments

buy component

Are you a beginner to electronics? Then here are few guidelines which might help you to buy some really useful components, so that you are always for an electronic and are never short of some crucial component.. OBJECTIVE: Not only for beginners, this will also help other hobbyists to buy some most commonly used components. […]

Filed Under: Datasheets and Components Tagged With: Buying, Component, Electronic, Guide, Hobbyists

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