In this article with one clap we can make a Clap Switch Circuit using Speaker as MIC, which can turn something ON or OFF! Also, we can use normal speaker like microphone which hear the clap sound and then turn switch ON or OFF. Here, only hand sound controls light or toy, as this is […]
Sensors and Detectors
Infrared Alarm Barrier Circuit
This Infrared Alarm Barrier Circuit shows how to use light which we cannot see to make tripwire alarm; it also work like beam of light for small fences. When someone walk in front of light and break it, loud alarm make big noise to warn and scare person; it is fun project to do but […]
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 […]