Latest threads in Electronics Designshow only best voted threads
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LTSPICE model for Ge transistors
Looking for models of Ge transistors I only found some that behaved like Si ones having a Vbe of 0.7V. Anyone can tell to find good ones? petrus bitbyter
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9 years ago
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NiMh charging formula
I have a "dumb" NiMh/NiCd charger. For 9 volt batteries, it specifies 25 milliamps. The charger manual gives this charge formula. Charging time(h) = 1.2 x battery capacity (mAh) --------------------...
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9 years ago
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Power Supply for Robotic Pony toy
I have one of these. FurReal Friends 3 foot tall Butterscotch Pony by Hasbro. A robotic pony toy for kids (and adults like me who think they are great). Photo: $ It needs SIX (6) D Cell batteries....
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9 years ago
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8 | |
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OT: Moving Website to New Server
My website is being moved to a new server... same provider, a more up-to-date server. So far, looks good, now updating DNS. Please report any issues. Thanks. ...Jim Thompson -- | James E.Thompson |...
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9 years ago
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WARNING: ISP internet speed increase could lead to cable modem failures.
Hello, I'd like to issue another warning: When your ISP increases your internet speed, your very old cable modem may fail eventually. It's processor will have to work harder, draws more power, it may...
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9 years ago
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A little script for you raspi users
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9 years ago
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Film the inside of your cable modems ! (Reveal if fans are inside or not)
Hello, Some of todays or future cable modems seem to contain a processor with a heatsink and a fan on top of it. Apperently gigabit ethernet speeds/wireless speeds might require either a processor...
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9 years ago
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14 | |
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Arduino FTDI driver issue with Windows update
Lifted from another NG: Hi, I know there are several people here that work with Arduino microcontrollers. Just a heads up to a potential headache. === Windows Update drivers bricking USB serial chips...
77
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9 years ago
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77 | |
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How to generate the differential and common for this circuit
Could some electronics guru please provide some hints on the following. Recently, I came upon an interesting design of a balun device(please check URAL below) to provide inputs to say a differential...
3
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9 years ago
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Ping JL
Were you aware of this? ?-)
3
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9 years ago
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This could be welcome to some here.
html ?-)
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9 years ago
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And some more fun
-major-assault/ ?-)
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9 years ago
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Baud rate with LED & Phototransistor (or diode)
I need to make a device that's totally sealed, but is powered by, and communicates with, the outside world. For communications, I'm thinking along the lines of embedding IR LEDs and phototransistors...
32
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9 years ago
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32 | |
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I'm must be a loser
I got a summons for jury duty. I responded by email saying it would be a hardship because my wife and I are self employed, and the 70+ hours she would need to work is a hardship, yada, yada, yada. I...
27
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9 years ago
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27 | |
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To Make A Square Wave
This has to do with that clunker HP 1725 a we got kicking around. If you kn ow the history, we got it with a makeshift vertical output amp for the uno btainium vertical output IC. Well we got the...
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9 years ago
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