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

Episoder(448)

EP#427: Food Device Design Derby: Wrap up and Results

EP#427: Food Device Design Derby: Wrap up and Results

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19 Apr 202450min

EP#426: Top Features to Add to Your Next Prototype

EP#426: Top Features to Add to Your Next Prototype

Today, we're tackling a topic that's a gold mine for any designer: crucial features you might not have considered for your prototype. From debug headers to "Swapperoo" resistors and heartbeat indicato...

12 Apr 202438min

EP#425: MacroFab Platform Updates from Kyle McLeod and Nicholas Lundgaard

EP#425: MacroFab Platform Updates from Kyle McLeod and Nicholas Lundgaard

This week, hosts Parker Dillmann and Stephen Craig are joined by Kyle McLeod, the OE Project Manager, and Nicholas Lundgard, the OE Team Lead at MacroFab. They delve into recent software releases enha...

9 Apr 202459min

EP#424: Batman, The King of EDC (Every Day Carry)

EP#424: Batman, The King of EDC (Every Day Carry)

This week, delve into the fascinating world of Batman's utility belt. We begin by tracing the evolution of this iconic accessory from its humble origins to its current complex design. The belt feature...

2 Apr 202447min

EP#423: Magical Semiconductors of Pixies

EP#423: Magical Semiconductors of Pixies

We’re joined by Alexander Vartanov, an electrical engineering student with a knack for hands-on projects. He discusses his journey from early soldering mishaps to his behind-the-scenes role in creativ...

26 Mar 202451min

EP#422: Wizard Trust Falls for PCB Footprints

EP#422: Wizard Trust Falls for PCB Footprints

Our hosts discuss Parker’s recent transition from Eagle to KiCad, facing challenges with library management and device layer integration. They discuss the new MacroFab Quote Wizard and our first entry...

19 Mar 202456min

EP#421: Tracing a Path for PCB Design Automation with Sergiy Nesterenko

EP#421: Tracing a Path for PCB Design Automation with Sergiy Nesterenko

Sergiy Nestorenko, founder of Quilter and former SpaceX engineer, discusses revolutionizing PCB design automation. He shares his journey from aerospace to starting Quilter, aiming to transform PCB des...

12 Mar 202454min

EP#420: The Mega IIe: A Vintage Computing Adventure with James Lewis

EP#420: The Mega IIe: A Vintage Computing Adventure with James Lewis

We dive into the intricate world of vintage computing with James Lewis, aka the Bald Engineer, who takes us through the journey of constructing a functional computer based on the Apple II GS's Mega II...

5 Mar 202453min

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