Latest threads in Electronics Designshow only best voted threads

Subject Author Posted Replies
 
Screening: Underground vs. Faraday
Does anyone have a rough idea of how positioning an device beneath the ground compares in effectiveness with the screening abilitiy of a good Faraday cage? In terms of depth and soil type, what would...
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Dummy load questions
I recently made a dummy antenna from two MC14741 resistors connected together in series. The MC147xx datasheet contains no frequency specs. On the other hand, the EMC 32-1007 specifies a frequency...
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Superclock III eprint restoration now available.
... at Still a few minor typos and such. This is a demo of a "level II" precyber Linotype age restoration of a magazine story. Done by starting with Acrobat's Cleartype and overlaying my Gonzo...
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Darrell Chandler - RIP
We're dropping like flies :-( Childhood friend from 1946 all the way thru high school, 1958... Darrell Jackson Chandler, "A gentle and kind man," 74, of Huntington, WV went to be with the Lord on...
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NE-2 I-V Curve ??
Anyone have an accurate I-V curve for an NE-2 neon indicator lamp? (I think it's time I applied TANH to it ;-) ...Jim Thompson
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About clocks
I added a clock display to my solar powered geiger counter logger... here it is shown synched to GPS. The little cut earpiece is the alarm, I promoted that to speaker, has the right impedance to be...
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Looking for search term of this type cable
Two separate coax with a third braid over both of those. Thanks, Mikek PS. Not my excellent ascii artwork. Hope the font works! - - - | | | | - | | | | Signal(+) | | | | | | | | | | | | | | | Inner...
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Canon SX50 HS Lens Cap/Cover Broke
Hello, Today it was high time to clean my appartment, I was cleaning the top/ceiling luxa flex thingies and bam... the tripod falls over and hits the ground. The camera hit the ground straight against...
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OT: Best DVD Burner SOFTWARE?
OT: Best DVD Burner SOFTWARE? My CyberLink Power2Go software has decided to go strange on me and only allow me to add one directory at a time to a burn. (Probably trying to force an upgrade :-( So,...
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Controlling a stupid robotic vacuum cleaner
So I have this LG homebot3, and it is stupid. You cannot even program an area where it should not go. Been thinking, the plus side is that it has an IR remote control. I can control it: turn left or...
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Name and shame this 'scope manufacturer
Hi all, In this book (1986 edition) I'm reading on scopes, in the section on manufacturer's claims for bandwidth, it states: "The rated bandwidth of the highest quality oscilloscopes is quoted as that...
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3
 
Happy PI day
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679...
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6
 
Methods for improving 60kHz RF signal (WWVB)?
I have two "atomic clocks": one is a La Crosse LCD unit, the other an "analog" wall clock whose hands are driven by a WWVB-sync 1xAA-powered mechanism. Following the recent "let's screw with...
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OT: Are you allowed to copy books for your own use? Classroom?
Hey, a copy shop manager (night) tried to tell me I couldn't copy sections of books. So the question before us is: May a person copy a book for their own use? and may a teacher copy parts of a book...
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LED board, dremel'ed
Those are Avago 0603 LEDs, with the hacking done with a Dremel and a dental burr, onto an existing PCB. This is going inside one end of a machined tube test fixture; a photodetector assembly pokes...
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