Latest threads in Electronics Designshow only best voted threads

Subject Author Posted Replies
 
REACH
Jan 25, 2014 RE: Providing RoHS declarations and complying with EU REACH obligations by joining the BOMcheck substances declarations web database. We are writing to you to gather regulatory compliance...
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OT: Don Lancaster Hanging Canals
Almost missed this from a year ago. Hacker emeritus, bearded septuagenarian, parts monger, and so on, in USA Today.. Looks like a fun thing to get into.. Best regards, Spehro Pefhany
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Strange AM radio static noise
My clock radio is virtually useless at night lately in the 500-800 KHz range due to extreme static noise over the stations' broadcast. However, by accident I discovered that the noise virtually...
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ebay OLED module driven and powered from PC parport in Linux
ebay OLED module driven and powered from PC parport in Linux I bought ebay item 171069574803, a small OLED display module, 11$ My first adventure in driving OLEDs, so, there is some test code on that...
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Company pays $11M for LENR technology
A North Carolina based company called Industrial Heat LLC has come out and admitted that it now owns Andrea Rossi?s ecat low energy nuclear reaction (LENR) technology. Industrial Heat has put out a...
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CO2 study
Good graphics. -- John Larkin Highland Technology Inc jlarkin at highlandtechnology dot com Precision electronic instrumentation
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Max Frequency of SM 118A counter?
Anyone know the maximum frequency of a Heathkit SM-118A? I have been all over Google with little luck. One guy said it would go to 1 GHz maybe 2 GHz, I don't think so. Mikek
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Failure mode of supercap at overcharge?
Hi, I have an application - a servo power supply for an extremely cold (-50 C) environment - where I need to buffer the battery with a supercap in order to get the ESR low enough. Since the...
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The ebay 10$ solar powered flashlight FM radio and mobile phone charger
The ebay 10$ solar powered flashlight FM radio and mobile phone charger ebay item 370856410707 This is my second option to put the Geiger counter in. the thing arrived late this night, curiosity...
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U.S. Propane Exports Racing Towards 500,000 Barrels ***DAILY***
Going for the big bucks in export: And here people mostly in the "heartland" are paying $5/gallon because of the shortages...
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The ebay 3 dollar FM radio receiver..
Today the 2 ebay 2$69 FM radios arrived (free shipping fomr China via Switserland duh). both worked, but a bit sensitive to movement... ebay item 160784342887 As I wanted to use these cases for geiger...
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What a mess. :(
-- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
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Building TV Antenna - length chart needed
I've been looking at numerous websites and videos for building digital tv antennas. I live in the country and am a long distance from all stations. (most are at least 50 miles). The plans for the...
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Some of my design work in action...
Some of my design work in action... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142...
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LCR Meter using Sound Card - revisited
I just set up one of my soundcards to do LCR measurements. I took an old radial lead cap from bench marked 1100 uF, 35Vdc, and I mean old. I purposely measured using too large a series resistor, 10k,...
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