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Security and Protection

Heatsink Temperature Protection Circuit

Last updated on 24 May 2026 by Admin-Lavi Leave a Comment

Think heatsink like small radiator for our devices which help keep cool. Heatsink Temperature Protection Circuit is like safety man for that small radiator, as it got small sensor by always checking heatsink heat. Also, if too hot like one have got fever then this circuit does something, as it maybe a stop power or […]

Filed Under: 555 Timer Projects, Automation Circuits, Heater and Temperature Controllers, Security and Protection

Simple Static Electricity Detector Circuit

Last updated on 24 May 2026 by Admin-Lavi Leave a Comment

Simple Static Electricity Detector Circuit is like alarm for electricity when gathers on things like clothes and this happen when we rub things together. Also, this kind of electricity can break small electronics, so detector is useful near them; also detector have special sensor which feels electric change in air. Maybe its wire stick out […]

Filed Under: DIY Projects, Mini Projects, Security and Protection, Sensors and Detectors

Multi-Tone Electronic Siren Circuit

Last updated on 24 May 2026 by Admin-Lavi Leave a Comment

In this article for Multi-Tone Electronic Siren Circuit make it more fun with one siren circuit that makes many sounds. Also, this small thing work like alarm sound toy which is good as warning. But not just one boring sound it makes many loud noise one after one or same time!; and it works well […]

Filed Under: Alarm Circuits, Audio Circuits, DIY Projects, Security and Protection

Simple DC Electronic Fuse Circuit

Last updated on 22 May 2026 by Admin-Lavi Leave a Comment

Is anyone sick of the fuse blowing? then this Simple DC Electronic Fuse Circuit can be helpful! DC electronic fuse circuit is like small hero for ones electronics, as it protects from big current going crazy. Old fuse? we break it then one may need new one, but this one? it uses smart components always […]

Filed Under: Hobby Circuits, Mini Projects, Security and Protection

Touch Controlled Musical Door Bell Circuit

Last updated on 22 May 2026 by Admin-Lavi Leave a Comment

No more boring ding dong bell! This Touch Controlled Musical Door Bell Circuit show how to make doorbell which play small music tune; just press a button and it rings a melody sound which we can choose which one. Also, this circuit is fun idea to make door more special and different. Circuit Working: Parts […]

Filed Under: Alarm Circuits, Audio Circuits, DIY Projects, Hobby Circuits, Security and Protection, Sensors and Detectors

Thunder Lightning Detector Circuit

Last updated on 22 May 2026 by Admin-Lavi Leave a Comment

This Thunder Lightning Detector Circuit teaches us how to make lightning detector, a tool used by storm chasers! Moreover, lightning makes special energy in sky and when storm come, this circuit find that energy and give alert by light or sound; so person can go safe place before rain start. Circuit Working: Parts List: Components […]

Filed Under: DIY Projects, Security and Protection, Sensors and Detectors

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