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Fishing YoYo Stop-Motion Switch Circuit with Indicator

Last Updated on June 23, 2026 by Swagatam 1 Comment

a Stop Motion Circuit 1

In this post I have explained a stop-motion switch circuit or a strike indicator for aiding fishing yo yo applications. The idea was requested by Mr. Mike. Technical Specifications (kindly bear the long discussion) Hello Sir, My name is Mike. I am the one requesting help with this stop-motion switch from the “Homemade Circuits” Blog […]

Filed Under: Mini Projects Tagged With: Fishing, Indicator, Motion, Stop, Switch, YoYo

Earth Leakage Indicator Circuit for Detecting Current Leakages in Ground Wires

Last Updated on July 30, 2019 by Swagatam 75 Comments

earth leakage indicator circuit

A simple earth leakage indicator circuit discussed here can be used for getting some very useful results regarding current leakages from an appliance body into the earth pin. The idea was requested by Mr. SS kopparthy. The circuit of the proposed earth leakage indicator is shown in the figure below. Each such unit may be […]

Filed Under: Security and Alarm Tagged With: Current, Detecting, Earth, Indicator, Leakage, Leakages

AC Phase, Neutral, Earth Fault Indicator Circuit

Last Updated on July 30, 2019 by Swagatam 22 Comments

The circuit explained here will provide LED indications and show if there’s a possible fault in the wiring of your home AC Phase, Neutral, and Earth connections. The idea was requested by Mr. SS kopparthy. Technical Specifications sir, very good morning. I thank you for your help. I further wanted you to consider a circuit […]

Filed Under: Sensors and Detectors Tagged With: AC, Earth, Fault, Indicator, Neutral, Phase

Bird in the Nest Indicator Circuit

Last Updated on June 1, 2026 by Swagatam 4 Comments

bird in the nest indicator

In this post I have explained a simple infrared based proximity sensor circuit which is implemented to study birds and their behavior, by installing the circuit beside artificially made bird nests. The idea was requested by Mr. Jan Simberg. Technical Specifications I hope you have time to read these few lines. First of all thanx […]

Filed Under: Indicator Circuits Tagged With: Bird, Indicator, Nest

Cellphone Low Battery Cut-off with Indicator Circuit

Last Updated on January 29, 2020 by Swagatam 65 Comments

lowbatteryindicatorcircuitforphonechargers

In this post I have explained a simple yet effective low battery cut-off with indicator circuit which can be integrated with cell phone/tablet charger battery packs in order to monitor and avoid battery draining below a set threshold. The idea was requested by Mr. David. Technical Specifications Hi Swagatam. I know it was asked before, […]

Filed Under: Sensors and Detectors Tagged With: Battery, Cellphone, Indicator

3v, 4.5v, 6v, 9v, 12v, 24v, Automatic Battery Charger Circuit with Indicator

Last Updated on May 17, 2026 by Swagatam 316 Comments

batterychargercircuit

An all-in-one automatic voltage battery charger circuit is discussed in the following post; the circuit can be modified in many different ways as per individual requirements and applications. The following circuit will allow you to charge any battery right from 1.5V to 24V simply by setting up a given preset. How it Works using LM3915 […]

Filed Under: Battery Charger Circuits Tagged With: 12V, 24v, Automatic, Battery, Charger, Indicator

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