![]() ![]() ![]() Also with this signal generator, the metal detector setting is extremely simplified and there is a possibility for lot of experiments with different types of detection coils. This time I tried to simplify it even more by replacing the Arduino microcontroller with chip (about2$) signal generator module with adjustable frequency and duty cycle from Aliexpress. This company is a leader in designing hardware and software that can be used to make simple but high-performance metal detectors. "neco-desarrollo.es" page and also uses free Android software from the same company. The basis for the preparation is a "Smart Hunter" detector from And the best part is that it is very simple and can be made by anyone who has basic knowledge in the field of electronics. For example, a small metal coin or gold ring can be found at a distance of up to 25 cm. This metal detector is capable of detecting small metal objects at great distances. ![]()
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