Alberto Navarro

Curious by nature, DIY lover and continuously learning. Always hanging around the Internet and undertaking all kinds of online projects.

Special: How to make a metal detector I

25 Comments / Electronics / By / 3 minutes of reading

[youtube]http://youtu.be/ED69PAupo9M[/youtube]

In this first special invention, I'll show you how to make a step-by-step metal detector like mine, I will try to make this post usable for all audiences, but it is inevitable that those who have no idea about electronics will not know anything about it. For those interested, it is not a 1000€ detector, it is a detector to entertain yourself building it, however it has nothing to envy to the most mediocre detectors (between 100 and 400€), I spent a total of about 50€, and it gave me enough to buy the materials. to make three detectorsIn addition, in our shop you have all the necessary components to make the board at the best possible price.

The detection depth is not bad either (this does not usually vary much between detectors), it is about 10cm with the smallest coins (1, 2 and 5 cents). So that you can start to get your teeth into it before you start:

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How to make plasma with a grape.

Leave a Comment / Curious inventions / By / 1 minute of reading

Simple, we picked a grape from the orchardcut it in half and cut it in half again without damaging the skin, then dry the juice of the grape and put it in the microwave, and tachán the grape is ready. alleged plasma It comes out like gases from the uvita, in this video you can see it perfectly and in Spanish, after a first attempt that doesn't come out, they get it the second time.

I have a question for the intrepid who try it, what would happen if instead of letting the gases escape, we concentrate them with a glass upside down or something, well, see my sketch of the matter, hehehehe.

plasma

How not to leave your fingers in the attempt.

Leave a Comment / Humour / By / 1 minute of reading

Cutting wood

For all those who enjoy DIY, carpentry, or simply messing around with dangerous little machinesI bring you a video of a new product invented by SawStop, so you can try to cut your fingers as many times as you want, but I don't think it will work.

What I don't quite understand is why the creator uses a sausage, if you're not supposed to get hurt. ;D

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