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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by danadak

  1. danadak

    Sump pit water alarm - Kicad 9

    I think our goals similar : 1) Floats turn on/off pump 2) Detect if pump exceeds user set continuous runtime allowed, eg. float stuck or pump capacity not dropping water level 3) Jog pump periodically when lower level float continuous value indicates no more water to pump (my case), until user...
  2. danadak

    Current sources in parallel...

    Actually if they are ideal, hence isolated from each others control loop, then should not be a problem paralleling. Same also is true for non ideal. As long as control loop / current sense is not downstream of load all should be good.
  3. danadak

    Need Help with TDA7294 Stereo Amplifier

    A quick test, if you choose not to do design analysis, take a tone generator, at some moderate volume and freq, and using your IR handheld thermometer apply the generator, first getting ambient reading off TDA package, and then apply generator and get reading after some period, say 10+ secs or...
  4. danadak

    Sump pit water alarm - Kicad 9

    I used one switch, when float is up turns on pump, when it drops, to turn pump off, in code, added additional user config runtime value to continue running pump. To pump down further then float off detected level. The additional runtime value determined by user trial. I think your approach...
  5. danadak

    Sump pit water alarm - Kicad 9

    I recently completed a sump pump design that deviated from designs I have seen to date. On SSN583 we cycled pumps periodically because shaft/bearings would, over time, become unable to startup. Corrosion, metal migration, contaminants.... Over the years in my home I have gone thru several...
  6. danadak

    the point I don't understand about signal systems

    This y(t) = v(t) - [v(t)*h(t)] is the same as this y(t) = v(t) − h(t)*v(t) is the same as this y(t) = v(t) * [1 − h(t)]
  7. danadak

    I Wanna build a robot

    Simple example : https://www.facebook.com/reel/4327669760852922
  8. danadak

    I Wanna build a robot

    You can build simple line following robots with just analog components. But robots with significant capability need a processor in the mix. You can start coding with block language tools, up and running in << 1 day. Like mBlock, Scratch for Arduino, Snap4Arduino, NodeRed, those are free. Or...
  9. danadak

    I Wanna build a robot

    Have you ever built any electronics, can you program in C or Basic or any language ? Post list or pics of stuff you have in garage.
  10. danadak

    Is AI making embedded software developers more productive?

    Great interview today on Fareed Zakaria's show with Jensen Huang, CEO Nvidea. All his engineers using AI to code now. Its also a mandate fro engineering. Many broad points about AI, challenges, and promise. Humans are both teachers to AI and students. Regards, Dana.,
  11. danadak

    ac current limiting

    "Normally" one thinks of a charge controller for a battery that terminates in a floating charge, for a lead acid battery. That would take the variac and its mechanical control out of the picture. You looking for off the shelf solution or a design to build ?
  12. danadak

    There is a nonsense signal about Convolution and I couldn't understand what to do.

    Applet / utility - https://en.lntwww.de/Applets:Graphical_Convolution https://ws.binghamton.edu/fowler/fowler%20personal%20page/EE301_files/Notes_11%20Sect%203-4%20Computing%20CT%20Conv.pdf https://lpsa.swarthmore.edu/Convolution/CI.html...
  13. danadak

    What can be the reason behind this tragedy?

    Good old USA has done Bangladesh like things in the past. Like the "all American 5" tube radios with hot chassis. Dont be station selecting or changing volume while taking a bath..... If its stupid we done it here, and rinse and repeat in many instances. Like industrial pollution. Been doing...
  14. danadak

    Is AI making embedded software developers more productive?

    The thread to date discusses both accurate and inaccurate results. Its not one or the other. People are correcting it, just as they do each other. I dont recall stating or even thinking you are mentally ill or paranoid. Thats you spinning my words.

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