This Thunder Lightning Detector Circuit teaches us how to make lightning detector, a tool used by storm chasers! Lightning makes special energy in sky. 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: Category Item Quantity […]
Sensors and Detectors
Mobile Phone Detector Circuit using Op-Amp
In this Mobile Phone Detector Circuit using Op-Amp we will show how to make one circuit to detect mobile phones nearby. It can catch the radio signal from phone when phone is ON and it tells if someone using phone in quiet place like meeting room or library where phone are not allowed. But be […]
Acupuncture Point Locator Circuit
Acupuncture Point Locator Circuit is small device which helps to find special point on human body; in acupuncture thin needle goes inside our body part to reduce pain. Moreover, this is old medical method and these special body points called acupuncture point or just acupoints. People also think energy moves through body using these points, […]
Coffee Temperature Indicator Circuit
Ever burnt your tongue because of coffee too hot?; then this Coffee Temperature Indicator Circuit show how to make small circuit and which tells how hot coffee is! Here, it uses sensor to check temperature and then LED light up to say if coffee is good to drink or not; so now we can enjoy […]
Anti Corrosion Free Liquid Level Sensor Circuit
This Anti Corrosion Free Liquid Level Sensor Circuit show how to make sensor for checking water level in tank or container, as it send small electric signal and uses some metal pins to know if water touches them or not. Also, this circuit does not use strong chemicals, so it does not rust or damage […]
Capacitive Proximity Sensor Circuit
This Capacitive Proximity Sensor Circuit works like an electronic watchdog that detects when someone comes nearby using electronic components. Also, these kinds of circuits work in smart home devices, automatic lights and security systems; the circuit detects changes around it, especially when a person comes near and then it blinks a light or sounds an […]