MEP EP#331: The PCB Plague

MEP EP#331: The PCB Plague

MEP EP#331: The PCB Plague

Neutrik EtherCON Ruggedized RJ45

  • Lockable RJ45 cable within an XLR style housing
  • Also come in a sealed version that offers IP65 rating

Interesting PCB failures

Effect of Moon Phase on Tombstoning

  • Many factors play a role in the overall outcome of PCB assembly, especially when very small components are involved. Broadly speaking, tombstoning is a problem with very small 2-pin components (0201 caps and such) and we've filtered out the following challenges:
  • - proper paste application
  • - component placement
  • - designing for "good" thermal properties of the PCB with regard to tombstoning
  • - moon phase

Stretching Stainless Stencils? Oddity Today

  • Interesting manufacturing defect surfacing
  • Stencil “stretches” ever couple panels or so
  • Anyone ever seen or experienced this before?
  • Solutions? Next Steps?

Project: SNACKEY

  • Hacking a USI/Vendnet/FSI 3159
  • Theory of how a snack machine works
  • Interesting Parts
    • UCN5890A
    • UCN5842A
    • SC529136CFN2
    • M48T18-100PC1
  • What I am doing to hack it
    • Motor control
      • High/Low side transistors
      • Might change this to mosfets to reduce voltage drop
    • Arduino all the things
    • Current sensing
      • INA219 High side sensing

Jaksot(448)

EP#404: The Barcode is 50 with its creator, Paul V. McEnroe

EP#404: The Barcode is 50 with its creator, Paul V. McEnroe

Parker and Stephen speak with Paul V. McEnroe, an award-winning engineer who developed multiple state-of-the-art technologies during his long career, including more than two decades in leadership role...

14 Marras 202354min

EP#403: Captured Pads

EP#403: Captured Pads

Parker and Stephen check in with the new Circuit Break Discourse community and a Chip of the Week discussion initiated by mobius_striptease, a closer look at the LT3073 3A, Ultra-Low Noise, High PSRR,...

7 Marras 202351min

EP#402: Consciously Collecting Concepts

EP#402: Consciously Collecting Concepts

Parker and Stephen discuss Parker’s participation in Extra Life Day: Revenge of the Holiday Special on November 4, 2023, in which he’ll be playing and streaming STAR WARS Jedi: Fallen Order for 24 hou...

31 Loka 202354min

EP#401: Recording Studio Problem Solving with Electrical Audio’s Greg Norman

EP#401: Recording Studio Problem Solving with Electrical Audio’s Greg Norman

Parker and Stephen have a great talk with Greg Norman, a recording engineer, producer, and technician at Steve Albini’s studio, Electrical Audio, in Chicago, who also constructs and repairs various au...

24 Loka 20231h 17min

EP#400: We Are Circuit Break!

EP#400: We Are Circuit Break!

Parker and Stephen celebrate episode 400 of the MacroFab Engineering Podcast and announce its relaunch as Circuit Break starting next week, plus a discussion about MacroFab’s tenth anniversary, the en...

17 Loka 202350min

EP#399: Zero to One: Joshua Manley on the language of the 3D realm

EP#399: Zero to One: Joshua Manley on the language of the 3D realm

Parker and Stephen welcome Josh Manley back to the show to discuss how humans and CAD can interact! Josh is the co-owner and CEO of CADClass.org. Through a comprehensive array of courses and literatur...

13 Loka 20231h

EP#398: Duke Nukem v. Parker, Raspberry Pi 5, Weldestroyer!

EP#398: Duke Nukem v. Parker, Raspberry Pi 5, Weldestroyer!

Parker and Stephen discuss Parker’s past and upcoming Extra Life Day charity work, in which he plays video games like Duke Nukem and STAR WARS Jedi: Fallen Order to support Children’s Miracle Network ...

6 Loka 202349min

EP#397: Guard the CHIPS, New Math for Double E’s

EP#397: Guard the CHIPS, New Math for Double E’s

Parker and Stephen discuss community feedback that led Parker to order a Bambu X1 Carbon 3D Printer, which should be arriving any day now, S to the L to the A, “guardrails” that the U.S. Commerce Depa...

29 Syys 202349min

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