Top new questions this week:
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I'm using an ATmega8515 microcontroller for a one-off hobby project. This chip has an external memory interface which can directly address 64 kilobytes of external SRAM.
ATmega8515 datasheet.
For my ...
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The typical approach to interrupt the flow through a circuit is interrupt it at a single location as in the left image.
Do any power loads require both power lines disconnected by the switch as in the ...
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I frequently utilize DC/DC step-down converters in many of my projects. Mostly these converters have a low voltage input (Vin_max = 30Vdc) and low output current (Iout_max = 1-2A).
There's a plethora ...
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I was exploring a lumped approximation of a distributed RC network (sort of a lossy RC transmission line/ladder network).
Everything made complete sense until I observed the voltage "gain", ...
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For the last few years, I have been searching for an adjective that describes all connectors that fit inside a shrouded connector. I have not found a satisfactory one. I am about to go to press with a ...
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Ok, I promise I have checked and rechecked values here.
I needed to make an LED circuit for a Christmas display using one white LED inside a Santa Claus figure to replace the incandescent light bulb ...
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What are these shiny metal-like components in the images below?
Is that kapton tape covering for ESD protection?
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Greatest hits from previous weeks:
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Why do you need to store the voltage for some time in a capacitor? I've always assumed circuits to work when you power it on and stop when you power it off.
Why can't the whole circuit be drawn ...
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In my home, I have some halogen spot lights, which have an energy efficiency rating of 'C':
I would like to replace them with more efficient LED bulbs, but looking on the Philips website, they claim ...
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I have never understood input and output impedances of an op-amp. If anyone can explain what these two terms mean in an op-amp I'd highly appreciate it. Thank you!
http://www.eecs.tufts.edu/~dsculley/...
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I know mAh tells how much milliamperes a battery can deliver in an hour. But does that also tell how many hours the battery would last? Sorry but I don't really get it. If we're talking about a water ...
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How do I know when to use lead, flux-core, lead-free, or any other kind of solder out there? Do you have any tips on solder gauge for specific applications?
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I would like to know how the mechanical rotor frequency [Hz] can be obtained from the electrical stator frequency [Hz]? This is no homework! I have consulted several books as well as the web but could ...
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I was taught that if you want to change the direction of a three phase rotating machine that is rotating in forward direction, you interchange the phases. Since the phases has the same features (...
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Can you answer these questions?
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I have an RC circuit connected to a switch node as a snubber. I am facing difficulties determining the required power rating for the resistor. I have looked at this and this, however, it remains ...
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I looked up this article https://www.electricalpereview.com/base-impedance-single-three-phase-values-equal/ and I am really confused about the final equation.
The author says that this applies for ...
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I have been having problems driving WS2812 LEDs; the radiated emissions were too high to pass UK tests. See Radiated emissions from WS2812 LEDs
I finally bit the bullet and went for LEDs on a printed ...
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