MEP EP#237: Ice Cream Solder Paste Equipotential

MEP EP#237: Ice Cream Solder Paste Equipotential

MEP EP#237: Ice Cream Solder Paste Equipotential

Parker

  • Cat Feeder Unreminder
    • Started designing the parts and symbols in Eagle.
    • Will post more on twitter as I build the components and put together the symbols
  • Garage Door opener hacking
    • Converting my normal style garage door opener to a “jackshaft” style opener
    • Why?
    • LiftMaster, Chamberlain, Craftsmen are all the same
    • Mine is a Liftmaster Formula 1
      • Belt drive need to convert to chain drive to attach to the jackshaft
      • All of these use similar drive mechs
    • Other things that are needed
      • Garage door auto lock
        • SureLock Garage Door DeadBolt
      • Cable tension switch
        • LiftMaster 41A6104

Stephen

  • High voltage low current measurement
    • Resistive dividers?
      • Caddock 1776-C681
      • 10M ohm
      • 0.1% tolerance with 0.05% matching
      • Low PPM
      • This method is ok but requires a rather large current sense resistor which is not great.
    • Floating supplies
      • This is how multimeters work. The reference is floating.
    • Isolation solution
      • May go with an isolated solution - basically a power supply that isolates the secondary.
      • Isolated digital communication down to LV side.
  • Tests for pcb shielding
    • Did a shield plane test on a new pcb assembly.
    • Top and bottom pours that respect clearance rules.
    • 5mm pitch via stitching.
    • All terminate to one pin on a 2 pin header.
      • Second pin connects to a plated bolt hole that goes to chassis.

Jaksot(448)

EP#412: Great Classes, Odd Teachers, Chickens, Snakes

EP#412: Great Classes, Odd Teachers, Chickens, Snakes

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EP#411: Entropy rules everything with James Lewis

EP#411: Entropy rules everything with James Lewis

This week Parker and Stephen welcome James Lewis back to the show after a rather long absence! The occasion stems from James chiming in on a Circuit Break Community thread that Stephen started, asking...

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EP#410: Eighth Annual MacroFab Star Wars Christmas Special - Somehow this Podcast Returned

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Not unlike Han Solo emerging from cryosleep, the annual MacroFab Star Wars Christmas Special is back! Parker and Stephen welcome Josh Rozier, Chris Kraft, and Hyr0n to Circuit Break for a wide-ranging...

26 Joulu 20232h 46min

EP#409: You Down with SDV

EP#409: You Down with SDV

Parker and Stephen discuss a recent news story about how car manufacturers are increasing their focus on Software-Defined Vehicles (SDVs) which are cars that use more software instead of physical comp...

19 Joulu 202354min

EP#408: Pete Staples from Blue Clover on the PLT, Device Testing, more!

EP#408: Pete Staples from Blue Clover on the PLT, Device Testing, more!

Parker and Stephen welcome Pete Staples, the CEO and Co-Founder of Blue Clover Devices, to the show! Staples founded Blue Clover in 2003 to explore ways to make the electronics industry more efficient...

12 Joulu 202356min

EP#407: Holy Static Hazard Batman!

EP#407: Holy Static Hazard Batman!

Parker and Stephen discuss a recent article exploring how electrostatic discharge damage isn’t the only kind of static hazard your digital designs can face and possible solutions to such problems, a r...

5 Joulu 202356min

EP#406: Dr. Duncan Haldane from JITX on Automating Circuit Design

EP#406: Dr. Duncan Haldane from JITX on Automating Circuit Design

Parker and Stephen welcome JITX CEO and Co-founder, Dr. Duncan Haldane, to the show to discuss his company, which is a code-powered PCB design platform that aims to revolutionize circuit board design ...

28 Marras 20231h 7min

EP#405: Does ChatGPT want a cold beer?

EP#405: Does ChatGPT want a cold beer?

Parker and Stephen discuss the fact that physical limitations of shrinking process nodes are leading to new advancements in silicon interposers and enabling 2.5D packaging architectures, which is maki...

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