Latest threads in Electronics Designshow only best voted threads
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Blasting Rock With a Bullet
Backyard rock blasting using micro-explosives.
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9 years ago
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Climate change is already beginning to affect plants and animals that live in freshwater lakes and rivers
Climate change is already beginning to affect plants and animals that live in freshwater lakes and rivers, altering their habitat and bringing life-threatening stress and disease. Only an idiot would...
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9 years ago
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Re: Brisbane hits coldest temperature in 103 years
You fail to understand that climate and weather are different. Weather is an immediate occurrence, while climate is a long term trend. Once you finally understand what you are talking about, you will...
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9 years ago
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LED driver
I might design a box that has a 5000 volt power supply inside. I was thinking that I could have a warning LED (or two independent ones, for redundancy) that indicate that HV is present. It could be...
316
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9 years ago
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316 | |
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Full Negative-Going Waveform From Sound Card
I understand the output from PC sound cards swings positive and negative (push-pull) with respect to the audio ground. My objective is to create a complex audio signal in a graphical editor, such as...
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9 years ago
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Is there a Kickstarter to help fund this?
I think we need one. Protecting the boarders is one of the first things on the the to do list for the Federal government, instead their busy wrecking hard drives.
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9 years ago
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Blistering Hot Future Summers Interactive Map
Models show summers are going to keep warming as emissions continue. See what this warming will feel like.
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9 years ago
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Practical PCB Production Soldering?
I have a rather large metal plate with PCB's mounted on it, mainly as a power distribution "cable." There is Silicone involved, but since that stuff is good to 300 C, I'm not too worried. Using Ag-Sn...
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9 years ago
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bring in outside air with out the out side humidity
Has one yet come up with a way to bring in outside air but not the humidity with it? I would like to move fresh air around in my basement, I don't care about the temperature but I don't want to make...
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9 years ago
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Force LCD monitor "white"/"black"
Hi, Anyone know how the drive to an LCD panel works? Specifically, how one can force the display to appear "all white" or "all black" WITHOUT relying on the electronics already present in the monitor?...
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9 years ago
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OT big G
Hi all, just reading a big G article in the latest Physics Today. Kinda fun, if you like that sort of thing. (does that link work?) It's surprising that we still only know this "first" physics...
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9 years ago
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TDA2050
Anyone know of a source ? UK preferred, USA OK
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9 years ago
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what's this i number, anyhow?
Feynman called Euler's formula: e(exp ix) = cosx + isinx -he called it "the jewel." (FLP V1, ca. ch. 20) I imagine some of you who use this number implicitly, when you learned it in school, had a...
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9 years ago
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OT - Any idea how to activate that little button?
go to craigslist and read an offer, button in upper left corner CONTACT or REPLY the button shows up, looks like it deflects when I click on it, but ...nothing! This amchine is Opera 9.64 on Win98SE...
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9 years ago
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"Fat Meter" Physics?
I stepped into a pharmacy in a supermarket, and they had a machine where you hold two handles and get a reading of your fat content. I note their is a Wikipedia entry for "Dielectric Spectroscopy."...
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9 years ago
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