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8:30 AM- 5:30 PM CDT



MacroFab Engineering Podcast #259


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January 13, 2021, Episode #259

Are engineers the non-believers of the world? Can Solar Freaking Roadways convert Stephen and Parker to be believers in a Tron like future?


  • Your C@$% Is Mine Now
    • We actually brought up the security report on this device back in Oct 2020 on episode MEP 245: K-factoring A Gumbo
    • Qiui, the China-based manufacturer of the device, which is aptly called Cellmate, did not respond to a request for comment


  • Solar Freaking Roadways!
    • First talked about on MEP EP1
      • France building a huge solar roadway. This again?”
    • Solar Roadway
    • Timeline
      • 2006 solar roadways is founded
      • 2009 – 100k small business innovation grant from USDOT
      • 2011  – 750k small business innovation grant from USDOT to make small “parking lot”
        • This is what shows up in all the videos.
      • 2014 Indigogo campaign raises 2.2mil – the highest at the time
      • 2016 given an additional 750k by USDOT
      • 2016 Jeff Jones Town Square
        • 30 panels
        • Supposed 60k install cost
        • Wiki – .25kW per day
        • Typical Home install 1.45kW/day
        • According to thunderF00T ⅓rd of the energy is consumed by the LEDs and the remainder is in heat.
      • 2016 France installs Wattway
        • 5.2 million to build expected 767 kwh per day.
        • $20/ kwh 13x the cost of rooftop installation. Only produced 409kwh/day
      • 2020 December USA gets its first real solar road! Woohoo!
        • City of Peachtree Corners in Gwinnett County, Georgia
        • About the size of a typical Rooftop install but less than half as efficient
    • 4 Solar roadways we can find in the world… only 1 has been declared a success.
      • Dutch bike path
      • 70-metre test bike path generating 3,000 kWh
        • Looks to be a meter wide. 70 sq meters or ~760 sq ft
        • Average house only needs ~300 sq ft of solar panels on a roof….

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,, where he posts his personal projects, technical guides, and appnotes about board layout design and components.

Stephen Kraig
  Stephen Kraig

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.

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