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Newly Updated Circuit Projects:

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

Make a Battery Charger in 15 Minutes

Last Updated on July 29, 2019 by Swagatam 92 Comments

easiestbatterychargercircuit

I have posted many battery charger circuits in this site, some are easy to build but less efficient, while some are too sophisticated involving complex construction steps. The one posted here is possibly the easiset with its concept and also is extremely easy to build. In fact if you had all the required material you […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Minutes

Battery Full Charge Indicator Circuit using Two Transistors

Last Updated on July 26, 2019 by Swagatam 104 Comments

Highbatteryindicatorcircuit

This little circuit will alert the user regarding a battery reaching its full-charge level (over charge) while it’s being charged, by illuminating an LED. The circuit uses just a couple of transistors as the main active components. Main Feature The main feature of this design is not only its mini design but also its supply […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charge, Full, Indicator, Transistors

Clap Operated Toy Car Circuit

Last Updated on July 25, 2019 by Swagatam 9 Comments

clap2Bmotor

In this post we study how to make a simple clap operated toy car circuit using a clap switch circuit and a MIC amplifier, to control its forward and reverse movements,  in response to the claps of the user. The idea was requested by Mr, Zeeshan. This clap operated toy car is will move in […]

Filed Under: Sensors and Detectors Tagged With: Clap, Operated

Fishing YoYo Stop-Motion Switch Circuit with Indicator

Last Updated on July 20, 2019 by Swagatam Leave a 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

Temperature Controller Circuit for Reptile Racks

Last Updated on July 20, 2019 by Swagatam Leave a Comment

simple temperature controller circuit

The following article discusses a temperature controller circuit which can be used for controlling the temperature inside reptile racks. The idea was requested by Mr. Tom. Technical Specifications I’m looking to make a circuit to use to heat my reptile rack, I really like your incubator circuit, but do not have the electronics expertise to change it to suit […]

Filed Under: Temperature Controllers Tagged With: Controller, Racks, Reptile, Temperature

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