Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hello,
For my project I need to build a variable frequency emitter, with a frequency between 100MHz and 3500Mhz.
I saw some simple RF circuits on the Internet but I don't think they can reach such high frequencies.
Here is a circuit I've found :
I don't need to transfer any information, so...
Hello everyone
I'm newbie to RFIDs and I would like make large area reader.
I found antenna from the Taobao site.
Which is 45x30cm coil antenna.
But the problem Is I can't seem to find reader that can use that large antenna.
Any suggestions or help will be appreciated.
Here is the antenna link...
Hello, I am new here and I need help with an old portable radio antenna.
It seems to have gotten the solid tip stuck or fallen into the entire thing.
If there is a way to get this solid tip out could you please tell me?
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