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  • Users: MagnusBomba
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  1. MagnusBomba

    Digital Valve for fuel line? (1" to 2")

    Hi. I am looking for a digitally controlled valve (12V preferably) to open/close the fuel flow on a 1"-2" pipe. I know they exist but don't know what they are called. Can you help with a name and/or suggest a manufacturer? Thanks
  2. MagnusBomba

    How to get a good fuel reading (sloshing problem)

    Hi Mike. Capacitive fuel sensors are linear with the height of the tank. It is up to you to do the math to find the volume for a given level of liquid (and I am OK with that). My concern is as I mentioned the sloshing of fuel in the tank as the vehicle moves and getting a good reading. I...
  3. MagnusBomba

    How to get a good fuel reading (sloshing problem)

    Thanks patprimmer but I cannot modify the tank other than to make the hole for the probe to go in.
  4. MagnusBomba

    How to get a good fuel reading (sloshing problem)

    Thanks Mike. Well, the idea to measure while stopping was, well, just an idea. From what I have read so far, and I am still Googling, of course averaging is the way to go. But what type of average... there are many. By the way, a related issue is that, the idea is not to provide data logging...
  5. MagnusBomba

    How to get a good fuel reading (sloshing problem)

    I plan to use a capacitive fuel probe to detect the level of fuel in commercial vehicles. The principal is simple, the probe provides a frequency (or voltage) that is proportionate to the level of fuel. Doing the math based on tank geometry is also OK. But what I am wondering about is hot to...
  6. MagnusBomba

    Simple square wave function generator?

    I would like to design a circuit that will generate a square wave of zero to 500Hz (preferably with 50% duty cycle). Should be adjustable by single potentiometer. Any suggestions? Thanks.
  7. MagnusBomba

    How to protect 5v supply from 5v sensor connection?

    Hi ScottyUK. OK, sorry. I am using a LM2575-5 for the 5v and the sensor does not require much current (I don't know how much, but not much, it is a Hall Effect device). So regardless of budget for a moment, do you advocate adding another regulator? Or would you be comfortable using the same 5v...
  8. MagnusBomba

    How to protect 5v supply from 5v sensor connection?

    I have a board that has a 5v rail for microcontroller (and other electronics). I also have an external sensor that I need to provide 5v to. I am concerned, that if I connect the 5v from main rails directly to the sensor, the entire board will go (in case of fault/short). Previously I have...

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