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Thread: Regulated BENCH POWER SUPPLY 240Vac ~ 24Vdc

  1. #1
    knoba's Avatar
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    Regulated BENCH POWER SUPPLY 240Vac ~ 24Vdc

    Made from an ATX computer power supply. Outputs; 24Vdc, 12Vdc, 5Vdc, 3.3Vdc & USB 5Vdc (no data lines).







    https://knoba.wordpress.com/2015/03/...-240vac-24vdc/

    Thanks Ken!

  2. The Following 7 Users Say Thank You to knoba For This Useful Post:

    Altair (04-12-2015), blkadder (10-22-2017), kbalch (04-09-2015), mwmkravchenko (03-27-2018), Paul Jones (04-12-2015), rlm98253 (10-21-2017), ShopSurfer (03-19-2018)

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    Thanks knoba! I've added your Regulated Bench Power Supply to our Power Supplies category, as well as to your builder page: knoba's Homemade Tools. Your receipt:


  4. #3
    Content Editor DIYer's Avatar
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    I've seen many benchtop power supplies, but those USB ports are a nice, and nowadays necessary, feature.

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    Thanks DIYer! They're very handy for micro-controllers and charging up phones etc..

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    Content Editor Altair's Avatar
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    Great job knoba. This is a nice project. Planning to incorporate USB ports to my wall outlets.

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    Thanks for the compliments, Altair!

    Sounds great. I hope you're going to publish the build...

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    This thread has been moved to the Must Read subforum. Congrats (and thanks) to knoba for making such a valuable contribution!

  9. #8
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    Thanks Ken!

    What makes those power supplies so handy is that both the 3.3v & 5v outputs are commonly used to power CMOS & TTL logic chipsets. If learning electronics on breadboards they are the bees' knees!

    hth

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    I've been looking for an inexpensive 24v DC power supply.
    Do you know how many amps it will handle?

    Thanks for posting the neat thread

    gatz

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    in its current state, at 24V it will deliver 1 amp, which is the maximum that you can get out of the 12V- terminal. If you wanted to increase this current rating you would have to change the diodes in the -12V line to diodes which will cope with more current. If you did this, you would also need to put a heat sink on the new diodes. Here is a link to someone who did this:

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    blkadder (10-22-2017), olderdan (10-22-2017), Seedtick (10-22-2017)

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