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DIY Kit Metal Detector Kit Electronic Kit DC 3V-5V 60mm Non-contact Sensor Board Module Electronic Part Metal Detector DIY
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- for 3 month
- for half a year
- Requires Alitools extension
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Customer Reviews
Not arrived, seller is always making me wait, no refund at all. says me they had resend but no tracking number nor arrived parcel. waiting since multiple months. can NOT recommend at all. Seller do not provide any solution, besides asking me to wait since around 2 months. will update, if the seller finally delivers.
cheap.and easy to solder kit. metal detection is as expected very close, not very far (0~5 cm). leave sticker on beeper for less hard noise. led shows beep activity so you might leave beeper out. 3 to 5 voltage working nearly the same confirmed. stronger beep with more massive metal part, adjustment necesairy using pot to find treshhold lvl. continues beep when magnetic field is found. all parts are easy to.locate where to put,resistor values can be looked up online or cheatsheet. (2k redblackred , 200k redblackyellow and 470ohm yellowpinkbrown) send quickly and in ziplock bag, in bubblewrap and standard chinese gray bag. can recommend as nice starter solderkit to learn for kids or adults. maybe find improvemnts and hack a better coil to it. dont expect deep ground penetration due to circuit design