This simple circuit can be used for detecting 50 Hz current inside a conductor without physically connecting with the conductor. You just have to bring the L1 coil near the […]
Ferrous, Non-Ferrous Metal Detector Circuit
The function of this adsorption type metal detector is to indicate the presence of ferrous and non-ferrous type metals. Its functionality depends on the absorption of magnetic energy. An inductor […]
Radioactivity Detector Circuit
The term “Geiger Counter“ refers to a device which actually counts the number of radio active particles passing through a specified area and while this circuit does not actually count, […]
How to Measure Thunderstorm Distance using an Electronic Circuit
Need a circuit that might help you to measure the exact distance of a distant thunderstorm lightning, which might be reaching your location quickly? The explained circuit will help you […]
Metal Detector Circuit using Single Transistor – Tutorial
The post explains a simple one transistor metal detector circuit which is very sensitive and and can detect any metal from a significant distance. We are going to begin the […]
Find Concealed Metal Pipes, Nails, Studs using this Circuit
In this article we learn how to construct 3 useful circuits which can help us to detect and locate metal pipes, nails, studs concealed or hidden under walls or ground. […]