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Metal detector 4 – Circuit Schematic
Metal detector 4
The metal detector circuit consists of detection oscillator, reference oscillator, mixer and signal display, it is shown as Figure 8-70. The detection oscillato...
Metal detector 4 – Circuit Schematic
Metal detector 4
The metal detector circuit consists of detection oscillator, reference oscillator, mixer and signal display, it is shown as Figure 8-70. The detection oscillato...
Metal detector 2 – Circuit Schematic
Metal detector 2
This metal detectors described in the example can be used to detect metal objects with high permeable magnetic substances. The working principle. The metal dete...
Metal detector 2 – Circuit Schematic
Metal detector 2
This metal detectors described in the example can be used to detect metal objects with high permeable magnetic substances. The working principle. The metal dete...
Metal Detector – Circuit Schematic
Metal Detector
A reasonably effective bfo (bifilar oscillator). Its performance is not comparable to more advanced commercial products, of course, but it still works. Anyway, ...
home made metal detector – Circuit Schematic
home made metal detector
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METAL DETECTOR – Circuit Schematic
METAL DETECTOR
When the receiver is tuned to a M. W. radio station the resulting feedback howl, caused by the transmitter can be set to alter, or appear when the coil and radi...
Metal Detector Circuit – Circuit Schematic
Metal Detector Circuit
The device we then build will function as a metal detector that can scout out metal objects, such as coins, nails, keys such as car keys you may not be able to ...
pulse induction metal detector with DSP – Circuit Schematic
pulse induction metal detector with DSP
Most metal detectors work on the fact that metals in a magnetic field change the behaviour of the field. There are two general approaches to detect these change...
Homemade Metal Detector Kit – Circuit Schematic
Homemade Metal Detector Kit
A simple home project can turn catastrophic fast if you come up against an electric cable, gas and water pipes, or your central heating system. With a handy met...
simple metal detector – Circuit Schematic
simple metal detector
Assemble the circuit on a perfboard or pcb except the inductor. Attach two long wires at the place of the inductor. Use a long rod and place the induc.....
Plastic Pipe Finder – Circuit Schematic
Plastic Pipe Finder
Used this circuit once to track down the location of a plastic pipe, buried underground. It transmits a weak RF signal, which can be picked up by a portable AM ...
Beat Balance Metal Detector – Circuit Schematic
Beat Balance Metal Detector
Various embodiments of the BB metal detector have been published, and it has been widely described in the press as a new genre. Instead of using a search and a ...
Metal Detectors and Sensors Circuits – Circuit Schematic
Metal Detectors and Sensors Circuits
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Whites Classic I metal detector schematic diagram – Circuit Schematic
Whites Classic I metal detector schematic diagram
The White`s Classic I was a very simple, easy to use machine, ideal for the entry-level detectorist to pick-up-and-go. It was a simple detector with no bells or...
Surfmaster PI Metal Detector Schematic Diagram – Circuit Schematic
Surfmaster PI Metal Detector Schematic Diagram
If TIP32C (Q2) gets excessively hot, use an IRF9640 MOSFET instead. Experiment with different values for R6 to find the optimal value (I use a 390 ohm resistor)...
Heathkit Groundtrack GR-1290 metal detector schematic diagram – Circuit Schematic
Heathkit Groundtrack GR-1290 metal detector schematic diagram
The original coil that came with the Heathkit project was preassembled at the factory. It had a diameter of around 15cm (6 inch). A larger (30cm, 12inch) coil c...
Heathkit Cointrack GD-1190 metal detector schematic diagram – Circuit Schematic
Heathkit Cointrack GD-1190 metal detector schematic diagram
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My Homemade VLF Detector – Circuit Schematic
My Homemade VLF Detector
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ib metal detector – Circuit Schematic
ib metal detector
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