Circuit Break - A MacroFab Podcast

Prepare to plug into the world of electrical engineering on Circuit Break - A MacroFab Podcast. Join two adventurous engineers, Parker Dillmann and Stephen Kraig, as they dissect the latest tech innovations, break down industry news, navigate the challenges of DIY projects and engage in compelling conversations with industry experts. Their real-world practical experience fuels their infectious passion and serves as the driving force behind a show that delves into both theoretical concepts and practical issues engineers face. Parker and Stephen speak with fellow engineers, makers, hackers, and business leaders, creating a dynamic space for discussing challenges in the realm of electrical engineering. They unravel the origins of product updates, ponder the lab-to-marketplace journey of technological advancements and reverse engineer the engineering process. They love to speculate about the decisions dev teams have made and boldly offer their own opinions. The show provides a unique window into electrical engineering for recent graduates and current students, who want a sense of what job markets and workplaces are looking for...

https://www.macrofab.com/podcasts/

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episode 299: MEP EP#299: Operation Scope Creep


MEP EP#299: Operation Scope Creep

8 Layer Design

    • Stephen is working on a 12 pcb design
      • 11 pcbs done 1 left
      • 6 nets left to go out of 963
    • How to attack an 8 layer design?
      • Part placement
      • Stackup prep

Multi Gauge Progress / Prop_Fan

  • Screen and navigation
    • CFA635-TFK-KL
  • Temperature
    • LTC2983
      • Thermistors
      • 5V analog active sensors
  • Level shifter
    • TXB0104DR
    • Shift between the 3.3V MCU and the 5V LTC2986
  • Power filtering
    • Comprehensive Power Supply System Designs for Harsh Automotive Environments
    • LT8672
    • LT8614
  • Air Quality
    • HPMA115C0-003
      • PM2.5 Particle Sensor
    • Sensirion SGP40
      • VOC Sensor
    • Sensirion SHTC3
      • Temp and Humidity
  • Last thing to finish on the design is to choose how to protect the inputs on the LTC2983
    • Demo boards only use in series 100 ohm resistors

Adventures in Plastic Injection Molding

  • Stephen got the mold state side
    • Second round of payment due
    • Remember Duty/tax
  • Did the first round of prototyping - looking to validate the mold with more precise control
    • Material story
      • Polyethylene
      • Polypropylene
      • Heat/Temperature/Pressure


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 October 21, 2021  57m