Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com
eBay links:
10Pcs 5.5 x 2.1mm 12 V DC Power Supply Jack Socket Female Panel Mount Connector https://www.ebay.com/itm/-/122774119078
2 Pcs Black Plastic Battery Holder Case Wired w Cover for 6 x AA 9V CP https://www.ebay.com/itm/-/332068480942
2pcs 6 x AA 2-Side Battery Holder Case 9V Case Holder Box Snap Connector https://www.ebay.com/itm/-/173079855336
50Pcs Snap on 9V Battery Holder Clip Connector Hard Shell 10CM Cable Lead https://www.ebay.com/itm/-/311590869345
10K Ohm Rotary Potentiometer Module for Arduino UNO PIC AVR MCU DSP https://www.ebay.com/itm/-/262899147111
420 Pcs 18 Values Non-Insulated Ring Fork U-type Female Terminals Assortment Kit https://www.ebay.com/itm/-/362211264565

By Julian

Youtuber, shed dweller, solar charge controller aficionado

17 thoughts on “Julian’s postbag: #119 – power connectors”
  1. Avataaar/Circle Created with python_avatars Nick Calthrop says:

    I bought a load of the first conector sockets and they are crap, they broke the male jacks plugs.

  2. Avataaar/Circle Created with python_avatars a smol bean says:

    I legit sleep to postbags and then rewatch it in the morning

  3. Avataaar/Circle Created with python_avatars Joe D says:

    Too Tight = Just Right !! When it comes to power connectors !

  4. Avataaar/Circle Created with python_avatars Jerry Ericsson says:

    Man the price on these has gone through the roof, I picked one up about 4 years ago, still have it new in the box, perhaps I will try and resell her, I think I paid 12 bucks for her back then, I have only powered her up a couple of times, so I guess she isn't new but nearly so. Anyhow this is the deal for Groove.

  5. Avataaar/Circle Created with python_avatars thehappylittlefox aka benji says:

    a tight fit is what you want no good if it is Lucy goosy !

  6. Avataaar/Circle Created with python_avatars MD4564 says:

    6xAA = Same as 9V Capacity….

  7. Avataaar/Circle Created with python_avatars Deathshaker 00 says:

    I am glad that I am not the only one that will do things like order 200 9v battery clips! lolz

  8. Avataaar/Circle Created with python_avatars Loues S. Cat says:

    We both buy similar cheap parts of ebay… how do we have so few suppliers in common 0.o

  9. Avataaar/Circle Created with python_avatars GRBTutorials says:

    What about using two Li-ion batteries in series for powering the Arduino? Smaller and cheaper.

  10. Avataaar/Circle Created with python_avatars Preston Matheny says:

    Funny, I ordered those same connectors a couple of months ago, and mine seemed very tight as well! Glad I'm not the only one

  11. Avataaar/Circle Created with python_avatars Anna Vannieuwenhuyse says:

    The barrel jacks will loosen up a little bit, but not a lot. It's comfortably tight for me now.

  12. Avataaar/Circle Created with python_avatars Ray G says:

    shizzle?

  13. Avataaar/Circle Created with python_avatars tubeDude says:

    Tighter is better! They ware out fast enough, so ya, Tighter is better!

  14. Avataaar/Circle Created with python_avatars bzoli5706 says:

    Why do you love so much these small batteries? I know that you are a solar cell fan, but from that voltage, which you store in your rechargeable batteries, you can produce any required voltage. And you also like switching power converters, so you have the necessary devices too.

  15. Avataaar/Circle Created with python_avatars Simon Howroyd says:

    Tight as a tiger

  16. Avataaar/Circle Created with python_avatars Hola! Maico says:

    I demand an autopsy of the twitchy gotten POT 😉

  17. Avataaar/Circle Created with python_avatars Hola! Maico says:

    if those are hard shells what would I call the top of a Turtle

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