Loopholes or equivalent

Circuit Break Podcast #251

Loopholes or Equivalent

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November 18, 2020, Episode #251

Is this the coolest* electrical engineering podcast ever? Parker and Stephen think so. Synth Repair, floating IC pins, and wiring harness drawings.

Parker

  • Wiring Harness update
    • Wire Jacket Temperature rating 
    • Wire strandedness or number of strands
    • Labeling Requirements?
    • Treatment to pigtail end
    • RoHs?
  • The Untold Story Of The Bug That Almost Sank The Dreamcast’s North American Launch
    • Audio IC hardware layout problem
    • Floating input pin causing the IC to flip into MIDI mode and crash the software
  • BL6: The Coolest* Console Ever
    • Video game console that is supposed to look like a 6 pack of beer
    • Has two chilled spots that actively cool the beverages 
    • Six built in games like: Tekken7, SOUL CALIBUR VI and R.B.I Baseball 20
  • Ben Jordan of Autodesk will be a guest on the podcast
    • Product manager and is responsible for the EAGLE product
    • Get your Eagle questions in early!

Stephen

  • Adventures in Rpi 4
    • Did not get ERPnext running on the pi but I did dump about 10 to 15 hours into playing with the pi
    • Need to do something with it
    • ERPnext is pretty cool
      • Check it out if you have the need to control a whole business
      • Revisioning….
  • Repairs
    • Roland TR-606 drum matrix
      • Super impressive through hole stackup
      • Compact Battery powered
      • Everything triggers together
      • Some kind of bus issue
      • Schematic
    • Korg Poly Six
      • Just doing some cleanup and recal
      • Last page – random writing and some phone numbers – love it

About the Hosts

Parker Dillmann
  Parker Dillmann

Parker is an Electrical Engineer with backgrounds in Embedded System Design and Digital Signal Processing. He got his start in 2005 by hacking Nintendo consoles into portable gaming units. The following year he designed and produced an Atari 2600 video mod to allow the Atari to display a crisp, RF fuzz free picture on newer TVs. Over a thousand Atari video mods where produced by Parker from 2006 to 2011 and the mod is still made by other enthusiasts in the Atari community.

In 2006, Parker enrolled at The University of Texas at Austin as a Petroleum Engineer. After realizing electronics was his passion he switched majors in 2007 to Electrical and Computer Engineering. Following his previous background in making the Atari 2600 video mod, Parker decided to take more board layout classes and circuit design classes. Other areas of study include robotics, microcontroller theory and design, FPGA development with VHDL and Verilog, and image and signal processing with DSPs. In 2010, Parker won a Ti sponsored Launchpad programming and design contest that was held by the IEEE CS chapter at the University. Parker graduated with a BS in Electrical and Computer Engineering in the Spring of 2012.

In the Summer of 2012, Parker was hired on as an Electrical Engineer at Dynamic Perception to design and prototype new electronic products. Here, Parker learned about full product development cycles and honed his board layout skills. Seeing the difficulties in managing operations and FCC/CE compliance testing, Parker thought there had to be a better way for small electronic companies to get their product out in customer's hands.

Parker also runs the blog, longhornengineer.com, where he posts his personal projects, technical guides, and appnotes about board layout design and components.

Stephen Kraig
  Stephen Kraig

Stephen Kraig is a component engineer working in the aerospace industry. He has applied his electrical engineering knowledge in a variety of contexts previously, including oil and gas, contract manufacturing, audio electronic repair, and synthesizer design. A graduate of Texas A&M, Stephen has lived his adult life in the Houston, TX, and Denver, CO, areas.

Stephen has never said no to a project. From building guitar amps (starting when he was 17) to designing and building his own CNC table to fine-tuning the mineral composition of the water he uses to brew beer, he thrives on testing, experimentation, and problem-solving. Tune into the podcast to learn more about the wacky stuff Stephen gets up to.

Special thanks to whixr over at Tymkrs for the intro and outro!

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