1D mouses, Capacitance Multiplier, Chime Module, Counterfeit Capacitors, electronics podcast, Hickok 5055, Kentucky Derby, MacroFab, macrofab engineering podcast, MEP, Raspbeery Pi RTL SDR, uTracer, Wagon

Podcast

136

Parker Dillmann | September 5, 2018

MEP EP #136: Classy NASCAR Badgelife

Podcast Notes

Parker
- Wagon Chime Module
  - Experimented with brake clean and that seemed to not remove the finish
  - Any other suggestions?
- Wagon Powered Mirror Module
  - Schematic complete and Board laid out
  - Used DRV8872 motor drives
    - SOIC-8 style package instead of SO-36 of the BTM7742G
- Just another project to work on
  - Raspberry Pi – RTL SDR radio
  - Wood front panel
  - Tube preamp that runs off of 12V
  - Touch VFD?
Stephen
- uTracer blog post by the Designer
- New blog: Analogeng.com
- Hickok 5055 power supply
RFO
- How we built a connected custom PCB badge for the Kentucky Derby
- Stephen’s Counterfeit Capacitor Problem
- Capacitance Multiplier Video
  - Stephen used this technique before
- Brandon Drury asks “What do we think of engineering paper that is green and looks exactly like graphing paper…but isn’t. All my professors require it this semesters and I’m exceptionally fond of you and Stephen making fun of your respective academic institutions. Ignore my request at your peril/benefit.”
- From the previous podcast on 1D mouses
  - Tom Anderson has experience with a 1D mouse
  - Dials/rotary encoders for scrolling through terminal text

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Wagon Powered Mirror Module REV 1 Layout.

Capacitors for Stephen’s Hickok 5055 Power Supply.

Poofing capacitor in Stephen’s Hickok 5055 Power Supply.

Rotary knob functions as a text scroller for terminals.

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

About The Hosts

Parker Dillmann is MacroFab's Co-Founder, and Lead ECE with backgrounds in Embedded System Design, and Digital Signal Processing. He got his start in 2005 by hacking Nintendo consoles into portable gaming units. He also runs the blog, longhornengineer.com, where he posts his personal projects, technical guides, and appnotes about board layout design and components. Parker graduated with a BS in Electrical and Computer Engineering from the University of Texas.

Stephen Kraig began his electronics career by building musical oriented circuits in 2003. Stephen is an avid guitar player and, in his down time, manufactures audio electronics including guitar amplifiers, pedals, and pro audio gear. Stephen graduated with a BS in Electrical Engineering from Texas A&M University.