Hello everybody I am from China, My name is Yue Hailin I like metal detectors

[zzy]

大家好我是来自中国的 我叫岳海林 我很喜欢金属探测器.但是我只是初学者.我看到BFO的简单我所以想做个玩玩希望大家给些示意 图 让我能拥有个简易金属探测器 我不懂英文 我只能用古歌翻译简单的英文 谢谢大家

海林你好：欢迎你来到这里，我也是中国的。初次制作我建议你还是做一个简单的脉冲式探测器。看看"Gary 's Pulse Induction Metal Detector"
http://www3.telus.net/chemelec/Projects/Metal/Metal.htm里面有详细的制作方法。这个探测器的性能还不错。工作方式也简单。
原理图在这里

http://www3.telus.net/chemelec/Projects/Metal/Metal-Sch.png

希望你玩的开心。

[kt315]

seems you begin to bring a garbage from webnet... it is not good meaning way. take a timeout now...
get attention on Carl Moreland's Hammerhead PI project. that will be more productive way. believe me.

[yhl]

This circuit can it

[yhl]

无与伦比的金属探测器

无与伦比的金属探测器

[yhl]

This circuit can it?

[yhl]

http://sdelai-sam.su/index.html

[yhl]

[yhl]

This circuit can it?

[kt315]

these links are not clickable. try putting another way.

[yhl]

[yhl]

IB metal detector circuit

[yhl]

[yhl]

I do treasure of silver in silver through the circuit I do not know if this is better than four times the frequency of the mixing point

[yhl]

ETI561: Simple, Sensitive Metal Detector

ETI561: Simple, Sensitive Metal Detector This is also very simple, but do not know how deep

[yhl]

我不是工程师，我只是做家电修理，我做我的无线数字电视微波发射机的设计