Latest threads in Electronics Designshow only best voted threads
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OT chaos
Horns are blowing, people are screaming, illegal fireworks are being discharged. Something must have happened. -- John Larkin Highland Technology, Inc jlarkin att highlandtechnology dott com
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9 years ago
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Is eternal-september working?
I can't seem to access newsgroups through eternal-september. Their web site is working and reports that their servers are up. I get an NNTP error with Thunderbird. Is it eternal-september or maybe my...
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9 years ago
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OT, plea for money, but worthwhile IMHO
If you want to be part of something high (as opposed to big): -- Tim Wescott Wescott Design Services
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9 years ago
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Surface-mount package cross reference
As near as I can tell, a TO-236-3, SC-59, SOT-23, and SOT-23-3 are all the same package. Ditto TO-243AA and SOT-89-3 Et cetera, for other package designators -- there seem to be so many standard names...
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9 years ago
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Lorenz Field Coil Array - Opinions?
A friend of mine sent this picture of strangely series-connected coils that he is claiming unusual effects from. The verrtical coils are wound on steel cores. It looks like two layers starting and...
15
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9 years ago
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Can the wave function of an electron be divided and trapped (article)
Hi, This article seems pretty intriguing, as an explanation for a phenomenon that occurs when electrons are shot into liquid helium. The electrons apparently "break up" into smaller size "things" and...
14
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9 years ago
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Question regarding switch simulation.
Hi. I have one handheld barcode scanner that is activated on button press. Now the problem is this button press because i need that the scanner is activated only when someone puts some barcode in...
6
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9 years ago
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Plasma transistor
Have you heard of plasma transistors?: University of Utah. (2014, March 20). Tiny transistors for extreme environs: Engineers shrink plasma devices to resist radiation. ScienceDaily: Quote: "......
15
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9 years ago
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Car battery matching with alternator
I wonder what you think about the following problem: A car's battery needs to be replaced but the exact capacity battery is not available, though smaller or larger ones are. My feeling is that the...
38
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9 years ago
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38 | |
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Hacking the MSP8 switch and the MSP controller by AMX
Just picked up a few of these at an auction and they look like they would be ideal for certain remote Raspberry Pi projects. Are the data formats published anywhere for these POE devices, or are they...
3
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9 years ago
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Doubt in working RC differentiator
Hey, I am a beginner in electronics , Will the RC differentiator... differentiate like in mathematics Is THIS possible Vi = sin2wt , Vo = 2cos2wt .. mathematically differentiation of sin2wt will give...
6
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9 years ago
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Photovoltaic voltage regulation with power storage for DIY hydrogen generation cell
Hi, I am trying to design a voltage regulator that takes the input from a photo voltaic cell and provides a steady voltage output for a hydrogen generation cell. Short circuit values: Voltage: 21.24V...
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9 years ago
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Re: We started the 100-foot long 10-foot wide deck high up in the California redwoods
dpb wrote, on Fri, 24 Oct 2014 08:22:06 -0500: I'm forwarding all this to the owner. The only thing I can say is that it "seems" sturdy when we're both on it, and that's almost 500 pounds of people...
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9 years ago
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Rectifier Schottkies in parallel
Hello, many Schottky rectifier diodes contain two diodes within a single package, usually with the cathodes connected. Does it make sense to connect the anodes too in order to get a diode which can...
22
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9 years ago
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A solar cell is a photonic fuel cell
Random physics analogy of the day: First, semiconductor PN junctions. They store charge under forward bias [current]. Under reverse bias, that charge gets sucked out the terminals, and then the...
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9 years ago
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