Simple Counterfeit Money Detector Circuit is like smart light. It uses UV light to show secret mark on real note. It also uses magnetic sensor to feel the special ink. Sometimes it uses IR light to see real money pattern. If no special thing is found then maybe the note is fake. But this tool […]
Security and Protection
Electronic Gatekeeper Circuit
This small and Electronic Gatekeeper Circuit work like little guard for our door. It uses sensor to check if someone comes or goes from gate. Sensor can be like light beam or something we can step on. If person goes through without permission then circuit make alarm or send message to tell us. So we […]
Simple Power Strip Surge Protector Circuit
Simple Power Strip Surge Protector Circuit is like hero for our plugs. It help protect our devices from big shock of electricity called power surge or spike. This surge can come when storm happen or when other machine turn ON or OFF. Inside power strip a special part called MOV take this extra electricity and […]
Solar Powered Animal Scarer Circuit
This Solar Powered Animal Scarer Circuit is small and simple to give a try for. It uses solar panel to take power from sun. At night or at low light the battery gives power. Circuit make sound or light to scare animal like dog, cat, monkey or birds. So they do not come near farm, […]
Heatsink Temperature Protection Circuit
Think heatsink like small radiator for our devices which help keep cool. Heatsink Temperature Protection Circuit is like safety man for that small radiator. It got small sensor by always checking heatsink heat. If too hot like one have got fever then this circuit does something. It maybe a stop power or maybe like start […]
Simple DC Electronic Fuse Circuit
Is anyone sick of the fuse blowing? This Simple DC Electronic Fuse Circuit can be helpful! DC electronic fuse circuit is like small hero for ones electronics. It protects from big current going crazy. Old fuse? You break it then one may need new one, but this one? It uses smart components always checking current. […]