Surf Master Pro assembled board for sale. No longer need it. What you see is what you get. 45$ shipped within US
Includes APM rotary seals, tokyo cosmos water resistance pots, barrel/jst end plugs. If you have any questions feel free to contact me.
https://ibb.co/P10ZcFp
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Surf Master Pro assembled board for sale
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No sound from the surf PI 1.2 kit
Hi everyone,
To begin with sorry for my English, I'm french.
I just bought a surf PI 1.2 kit from silverdog, I made all the board and built a coil (24 turns, 20 cm diameter, 0.5 mm isolated cooper wire).
The problem is when I power the circuit, no sound comes from the piezo but a... -
jlsilicon started a topic Understanding and Building Metal Detector CIRCUITS - Opamps, Oscillators, Transmitters, Receivers ..in Tech ForumUnderstanding and Building Metal Detector CIRCUITS - Opamps, Oscillators, Transmitters, Receivers ..
I want to open this Thread up - for the discussion to understand and refine Circuits (and Parts and Tweaking) used to build Metal Detectors.
Reason being that I have been working on a few Detectors using simple circuits, such as:
* NAND and and Opamp and Transistor Oscillators, ...