Peace and mercy of God
Dear friends, today I am with you to see accurate and important details in the manufacture of metal detectors that we made together and you were my partners in it. This is a set of questions that have been repeated and are always repeated in the channel, and from here I say that whoever follows this lesson carefully will be able, God willing, to manufacture any of the devices Which we shared on the Make a Metal Detector channel without referring to any other educational entity.
First, we will put a picture of the circle, then I will put a set of questions that were repeated by the subscribers of the channel, and the answer to each question below, for the method of making to be clear step by step:
Question: What is the greatest depth of this circle?
Answer: It can reach a maximum length of 3 meters. For example, it reached two meters and thirty centimeters.
Question: Can anyone make it even if he has no knowledge of electronics?
Answer: Yes, anyone can manufacture it even if he does not have electronic knowledge. What is important is that he knows the shapes of the parts, and then he goes to Google to find out the direction of the transistor?
Question: In the first question, you mentioned that the depth can reach 3 meters, so does anyone who manufactures the device reach this depth?
Answer: No, no one will reach a depth of 3 meters except under certain conditions.
Question: What are the conditions that must be met to reach the maximum depth of the device?
Answer: * Mastering file making in the first place * Mastering circuit making * Correct use and calibration of the device.
Question: Does the device distinguish between minerals?
Answer: Yes, the device distinguishes between metals by placing a resistance of 2 kilo ohms between point Y and point X in the previous picture.
Question: The parts are not available in my area, so how can I find them?
Answer: Circuit breakers, if they are not available in your area, you can get them from an old TV or an old radio, and you will find them all, God willing.
Question: I found all the parts of the device, but I did not find the capacitors with the same polarity, so what should I do?
Answer: You can use the closest values that you found, and the circuit will work, God willing.
Question: Is it possible to use resistor values close to those in the circuit, for example, I did not find a resistance of 39 kilowatts?
Answer: Yes, use the closest values I found for the resistors. For example, the 47-kilometer resistance can be used instead of the 39-kilometer resistance.
Question: I made the device, but the device is not stable at all, and the frequency goes up and then goes down, so what is the solution?
Answer: You can improve the stability of the device to 90% of what it is now by following the following:
* Using lighting wax to fix files * Using regular winding for files * Putting tin on the file after completing it
* Frequent use of ferrite pieces in the small coil, especially * The use of variable capacitors on coils, number 4
* Isolate the file from the outside air
Question: Where are the variable capacitors placed?
Answer: It is placed between the two wires of the small coil and the two wires of the large coil.
Question: What is the best wire diameter for the coil?
Answer: The best wire is 0.5 mm, but you can use any wire you find, and God willing, the device will work.
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