Description:

Note: This detector is only used for experiment, the effect of a general, can only play it! We will have to reflect more recent!
It can not be used to actually go treasure hunting. . . .
Download circuit diagram (please copy to IE bar to open, pro free to download):
http://pan.baidu.com/s/1dDmqr3F
Kits parameters:
Supply voltage: 3-5V;
Dimensions: 66 * 61MM;
Maximum detection range: 5CM;
The new board simple metal detector kit with 1.6mm double-sided fiberglass board do
Uses: games and entertainment, security checks, searches the body of metal products, including cell phones, knives, etc., according to the production principle, also can be designed according to the principles of this package produce cars detection, traffic statistics, elevator floor control, production equipment position detection production equipment design, electronic product design, development of amusement equipment, metal proximity switches, metal detector body (there are many IUDs are made of metal, as well as some Red Army veterans of the body may also metal bullets, the future inner metal body organs the situation will be a lot), you look for gold ingots probe Uchiyama.

PCB board * 1
Buzzer * 1
100UF25V electrolytic capacitors * 1
104 ceramic capacitor * 2
222 polyester capacitors * 2
220K resistance 0.25W * 1
2.2K resistor 0.25W * 1
100 European blue potentiometer * 1
9018 transistor * 1
9015 transistor * 1
9012 transistor * 1
22AWG wire red 10CM * 1