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Security and Protection

Self Discharge Battery Protection Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article for Self Discharge Battery Protection Circuit teaches how to make one easy circuit to protect car battery (lead acid type) when not using. This circuit help battery live more long time and keeps it healthy. WARNING: Making lead battery for car can be dangerous. Try to do this with one big person who […]

Filed Under: Battery Charger Circuits, Security and Protection

Simple Room Ionizer Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

In this Simple Room Ionizer Circuit, one machine can help clean air in room and it is called a room ionizer. It make small electric things called ions. These ions catch smoke, dust and bad things in air. Ionizer use special electric way to make these ions. Like when we press one side of balloon […]

Filed Under: Security and Protection

Simple DC Over Voltage Protector Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Main purpose of Simple DC Over Voltage Protector Circuit is to save electronic parts or circuits from damage when voltage from DC power source become too high. In many uses, case where stable and fixed voltage is needed this type of circuit are very useful. Circuit Working: Parts List: Category Component Quantity Preset 2.5k 1 […]

Filed Under: Security and Protection

220V Over Under Voltage Cut Off Circuit using Transistors

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This 220V Over Under Voltage Cut Off Circuit using Transistors help to protect electric things from too high or too low voltage. It uses two transistors and some easy parts. When voltage goes too much high or too much low then circuit cuts the power. It is good for home use and might surprise some […]

Filed Under: Security and Protection, Transistor Circuits

Stun Gun, Taser Gun Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

In this Stun Gun Taser Gun Circuit, Tasers which are also called as stuns give big electric shock to stop bad person. Shock is to scare and hurt but not to kill. Bad person may not be position to control his body for few seconds after shock. That time we can run away. If shock […]

Filed Under: Security and Protection

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