Surfmaster PI Metal Detector Schematic Diagram


Posted on Feb 7, 2014    9074

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). Temporarily substitute R6 for a trim potentiometer (470 or 1k) to find the optimal dumping resistor for your coil.


Surfmaster PI Metal Detector Schematic Diagram
Click here to download the full size of the above Circuit.




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