It’s very simple to implement a valid metal detector with good performances. Very often people lose their metal objects at the beach or in the countryside. Coins, rings and necklaces disappear when ...
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We found the 6 best metal detectors after testing nearly a dozen models
We spent weeks testing the best metal detectors on the market. Here are our top six picks. Purchasing one of the best metal detectors is the first step to kicking off your exciting new hobby. These ...
A traditional early project for someone discovering a love for electronics has been for many years a metal detector. This would mean a few transistors back in the day, but today it’s more likely to ...
This simple circuit can be used to activate whatever you like, for example, by connecting it to microcontroller, relays, secret alarms, robot applications or just turn on LED1 which lights up as long ...
A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki] shows us ...
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