Apr 28, 2021 - Explore Uros's board "Metal detector" on Pinterest. See more ideas about electronics circuit, metal detector, circuit diagram. ... <看更多>

Metal Detector Circuit Some ideas, And Experiment can be Dangerous. And For that you don't Risk and Damage your self and the Environment, ... ... <看更多>

The left opamp creates a Wein Bridge oscillator at about 78 kHz. L1 is probably the detector coil, whoever designed this should be able to ... ... <看更多>