Hobby Electronics Basics

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Taser Proof Vest?

What kind of vest could protect someone from a Taser? I was thinking a simple foil-faced fabric might be adequate. Thank...
6 comments posted 20yrs
posted by spam
6 comments posted 20yrs posted by spam

automatic faucet - what kind of sensor?

I would like to build an automatic water faucet, but wasn't sure what the sensor in a unit like the one below consists...
2 comments posted 20yrs
posted by inetquestion
2 comments posted 20yrs posted by inetquestion

Weak Magnetic Field Sensing

Hello Everyone, Weak Magnetic Field Sensing Before I begin to chase the madness into the evening, I would like to know...
4 comments posted 20yrs
posted by christopher
4 comments posted 20yrs posted by christopher

LC circuit

Hi, I am looking for a method to keep an oscillation going in a tank circuit ( inductor parallel to a capacitor). There...
22 comments posted 20yrs
posted by leram
22 comments posted 20yrs posted by leram

Why are power supplies so complex?

Just a silly question from an ME. Why are ordinary DC power supplies so complicated? What's going on in there that seem...
9 comments posted 20yrs
posted by eromlignod
9 comments posted 20yrs posted by eromlignod

antenna power feed

hi all i would be thankful for ur help on power coupling issues in antenna (rf section ) i need to design a coil for th...
3 comments posted 20yrs
posted by navkush
3 comments posted 20yrs posted by navkush

Pure Synus Dc to Ac inverter

Hi What is the basic principle of PURE SYNUS OUTPUT DC to AC INVERTER ? How the sunus waveis gnerated exactly ? Thanks i...
0 comments posted 20yrs
posted by therightinfo
0 comments posted 20yrs posted by therightinfo

Question about electromagnetic waves

Hi, When electric and magnetic waves are 90 degrees to each other, if I rotate the source of the waves by 90 degrees, e...
4 comments posted 20yrs
posted by lucky7456969b
4 comments posted 20yrs posted by lucky7456969b

C or Assembly

Which is better to program in, in general, for Microchip's pics; C or Assembly? I am personally more fond of assembly b...
29 comments posted 20yrs
posted by Abstract.Dissonance.hotmail.co
29 comments posted 20yrs posted by Abstract.Dissonance.hotmail.co

Ammeter internal current draw

Sounds like a strange question,I know. The questions concerns digital ammeters like:...
10 comments posted 20yrs
posted by cprstn54
10 comments posted 20yrs posted by cprstn54

AC and DC adapters

Could someone please explain the difference between an AC adapter/transformer and a DC adapter/transformer. What would t...
4 comments posted 20yrs
posted by littleboyblu87
4 comments posted 20yrs posted by littleboyblu87

Optocoupler Teaser

Hi All, I've been in contact with a guy who has a CNC machine who's controller uses optocouplers. Here;s a picture: htt...
8 comments posted 20yrs
posted by bborb
8 comments posted 20yrs posted by bborb

serial port analyzer

Hi, I need to get some form of a serial port analyzer. Its not for use forever, just need to fix a problem with an app...
4 comments posted 20yrs
posted by singlewchildren
4 comments posted 20yrs posted by singlewchildren

Cranky Op-Amp

I'm having endless trouble with my cranky op-amp. It's a basic diff. Op-amp. I'm working with DC pulses, but it's in th...
7 comments posted 20yrs
posted by pmlonline
7 comments posted 20yrs posted by pmlonline

Can program on pic family but not the other

I have sucessfully programmed the 16F688 but when I tried the 18LF4431 it does not work. I read both specs and they see...
1 comments posted 20yrs
posted by Abstract.Dissonance.hotmail.co
1 comments posted 20yrs posted by Abstract.Dissonance.hotmail.co