JLCPCB Prototype for $2(Any Color): https://jlcpcb.com
A new PCB with a gold-fingered edge connector designed to mate with an 805-12P socket.
https://en.wikipedia.org/wiki/Electroless_nickel_immersion_gold
805-12P Connector on eBay: https://ebay.us/ViOrcc

By Julian

Youtuber, shed dweller, solar charge controller aficionado

13 thoughts on “New pcbs from jlcpcb: gold fingers – power distribution”
  1. Avataaar/Circle Created with python_avatars Ergin Demir says:

    Is there a library, or do we have to draw it ourselves?

  2. Avataaar/Circle Created with python_avatars The Truth Serum says:

    You should have maxed out the trace width in the design rules, and added a copper fill on both sides. Did you have to draw that pad set yourself, and then trace the board outline to match the slot width? I looked for a ready made part to do goldfingers, but found none that matched my 4×2 pin receptacle… Also, if doing 2 sides not the same, would the approach be to use two 4 pin pads, then place one set on the back ,and one on the front? (2 parts), so as to know which side of the copper it was on?

  3. Avataaar/Circle Created with python_avatars S. H says:

    Would be nice if you make a video how you made the fingers in kivas I’m assuming that what you used. Thank you

  4. Avataaar/Circle Created with python_avatars Kevin Preller says:

    Would love to see a video of designing this edge connector. I need to design a similar thing in kicad and am having issues.

  5. Avataaar/Circle Created with python_avatars Hola! AppleFreak675 says:

    Hey how did you configure the correct length between the jst connectors? I am afraid the connector wont fit if I put the wrong length, please help me out here!

  6. Avataaar/Circle Created with python_avatars toppobrillo says:

    the ENIG finish will be quite soft and very thin, I wonder how well it holds up to 100 insertions or so…

  7. Avataaar/Circle Created with python_avatars Simon A says:

    Would appreciate a video on designing the board in software please.

  8. Avataaar/Circle Created with python_avatars The New Tech Guy says:

    You should first let GND contact GND then the rest of the power pins.

  9. Avataaar/Circle Created with python_avatars Larry Jaques says:

    Will you be specifying a wider tab for future PCBs, Julian? Centering on the pad is optimum, and there is no cost difference, right? Interesting talk. Thanks.

  10. Avataaar/Circle Created with python_avatars duncan amos says:

    Good to hear that you have no problems with flow and wetting. I unfortunately suffer with one of the curses of male old age – enlarged prostate!!!

  11. Avataaar/Circle Created with python_avatars Samuel Fugarino says:

    Meanwhile OSH Park and others go out of business.

  12. Avataaar/Circle Created with python_avatars Azy says:

    I've watched SO MANY of Seon's streams, and only now learn what ENIG stands for 😛

  13. Avataaar/Circle Created with python_avatars Daves Tech says:

    Why dont you have any capacitors or leds on the board?

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