Latest threads in Electronics Designshow only best voted threads
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Arduino - bldc motor control
I run onto some instructables regarding bldc motor control over arduino. Am not much into arduino stuff but for test this could be better and far cheaper solution: Question: If i upscale this design...
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9 years ago
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OT: A look at the US nuclear weapon arsenal and personel
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9 years ago
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How do you determine phase noise for this circuit?
The following is a simple [absolutely made up, stupid topology, but simulation predicts it oscillates] RC oscillator that seems to want to run slightly under 400Hz. Because it is an RC oscillator, how...
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9 years ago
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New Spice Model Posted... Microchip MCP6566 Comparator
New Spice Model Posted... Microchip MCP6566 Comparator.... MCP6566_Lib.zip On the Device Models & Subcircuits Page of my website. ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations |...
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9 years ago
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Coin Cells in Parallel Having Different Voltages
I have 10 sets of a setup that's 2 CR2032 coin cells in parallel supplying to a 13Kohm resistor (1% tolerance). I started with brand new coin cells wi th voltages around 3.1V individually which I...
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9 years ago
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OT: Is this for real...
Is this for real? Or another scam on the level of cold fusion... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus |...
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9 years ago
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OT: How to disable pop-up sprinklers
Folks, California has a drought and while we are already >30% water savings we are looking into curbing some more. How can pop-up sprinklers be completely disabled? It's the vintage Rain-Jet brand....
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9 years ago
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emergency SolidWorks
I'm working on a proposal this weekend, and I want an illustration of a kapton flex PC board. Imagine a flat garden rake shape with prongs on both ends, some of them twisted out of the plane. I can...
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9 years ago
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Does anyone need some largish heat sinks.
I checked the local scrap yard today and found some power semiconductor stu ff. Did not have suitable tools with me and am thinking of going back on M onday with a better assortment of tools. I...
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9 years ago
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2N2369D
Hi Guys, I have several Texas TO5 packaged devices marked "2N2369D" with six leads coming out. I can only find this device number on the net in a TO18 case with three leads. Could this be a dual...
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9 years ago
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Question about current from stun gun
Hi all, I noticed from another conversation that commercial stun guns are current limited to 1ma to 4ma hopefully making them non-lethal. I ran across this homemade stun gun that seems to light a...
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9 years ago
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New Subcircuit Posting
A new subcircuit has been posted... Hysteresis_Element_Behavioral.zip to the Device Models & Subcircuits page of my website... Subcircuit "Hysteresis" takes as Input a Voltage > HYST/2 and Outputs +/-...
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9 years ago
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Sinking Heat From a Surface Mount Footprint to the Chassis
I am looking for ways to conduct heat from a copper surface on PCB to the chassis. My current plan is to do this with a #4 standoff. On the PCB I would use a Seastrom Manufacturing metal flat washer...
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9 years ago
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comet
Rosetta is finally getting close. -- John Larkin Highland Technology Inc jlarkin at highlandtechnology dot com Precision electronic instrumentation
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9 years ago
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dessert
One scoop of vanilla bean ice cream and one tablespoon of 10 Cane rum. -- John Larkin Highland Technology Inc jlarkin at highlandtechnology dot com Precision electronic instrumentation
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9 years ago
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