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Building the Ham Radio Workbench 12v Power Supply

Discussion in 'Amateur Radio News' started by K8MRD, May 27, 2019.

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  1. K8MRD

    K8MRD Ham Member QRZ Page

     
    K8AI, F4HVY, VA3AGP and 8 others like this.
  2. KC5HWB

    KC5HWB Premium Subscriber QRZ Page

    FIRST TO REPLY, LOL
     
    AC7DD likes this.
  3. KD8DEY

    KD8DEY Ham Member QRZ Page

    Does it come in Plaid?
     
  4. WB8LBZ/SK2023

    WB8LBZ/SK2023 Ham Member QRZ Page

    Nice video. I think if you had a load on the circuit and you pulled the fuse, the red led should light. For KD8DEY, you can make it plaid but that is the next to the last step :) .

    73, Larry WB8LBZ
    El Paso, TX
     
  5. K4WDY

    K4WDY XML Subscriber QRZ Page

    Great video Mike. You da man! lol
     
  6. VE6XMB

    VE6XMB Premium Subscriber QRZ Page

    I think the red LED will light if the fuse blows, but the dead fuse will have to remain in the holder for this to light work.
     
    KK6AKH likes this.
  7. KC2JMS

    KC2JMS Premium Subscriber QRZ Page

    I went to their web site and everything was out of stock... I hope your working on commission :)
     
    KD8DEY likes this.
  8. AC1OI

    AC1OI Ham Member QRZ Page

    Where to get kit? Contact info would be nice. Red Led will light when fuse blows with device pulling more than 20ma is connected.
    73 Good job!
     
    N5EAL likes this.
  9. K8MRD

    K8MRD Ham Member QRZ Page

  10. K8MRD

    K8MRD Ham Member QRZ Page

    Yeah they sold a lot at Hamvention. The should have some more in about a week or so.
     
  11. K8MRD

    K8MRD Ham Member QRZ Page

    I figured out it has to have a load for the light to work when the fuse blows.
     
    AJ4LN likes this.
  12. KN4NSZ

    KN4NSZ Ham Member QRZ Page

    Looks nice :)
     
  13. K1SZO

    K1SZO XML Subscriber QRZ Page

    FYI, if you build one. Be sure to heed their warnings about use and the extreme heat that can develop.
     
  14. W0FM

    W0FM XML Subscriber QRZ Page

    Thanks for the video, Mike. I was a bit confused by the title, however. If you can, you may want to edit the title of this thread. It says "12V Power Supply", which, of course this kit is not. There is no 12V supply in the box. Handy device however. Built one a couple years ago.

    73,

    Terry, WØFM
     
    WN1MB likes this.
  15. WR2E

    WR2E XML Subscriber QRZ Page

    Mike, you mentioned the gold band on the resistor needed to be in a certain direction.

    Why? Resistors are not polarity sensitive devices. They can be installed either way. I'm a bit AR so when I build stuff I tend to put them all in the same direction but it's only to look 'pretty' for ME. There's no electrical reason for it.
     
    KC3JH, KD8DEY, KT5WB and 3 others like this.

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