Circuit Break - A MacroFab Podcast

Dive into the electrifying world of electrical engineering with Circuit Break, a MacroFab podcast hosted by Parker Dillmann and Stephen Kraig. This dynamic duo, armed with practical experience and a palpable passion for tech, explores the latest innovations, industry news, and practical challenges in the field. From DIY project hurdles to deep dives with industry experts, Parker and Stephen's real-world insights provide an engaging learning experience that bridges theory and practice for engineers at any stage of their career. Whether you're a student eager to grasp what the job market seeks, or an engineer keen to stay ahead in the fast-paced tech world, Circuit Break is your go-to. The hosts, alongside a vibrant community of engineers, makers, and leaders, dissect product evolutions, demystify the journey of tech from lab to market, and reverse engineer the processes behind groundbreaking advancements. Their candid discussions not only enlighten but also inspire listeners to explore the limitless possibilities within electrical engineering...

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

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episode 169: MEP EP #169: Is "I'm an Engineer" a valid defense?


Is "I'm an Engineer" a valid defense?

Parker

  • PinoTaur Update
    • 12V master voltage input
    • Switching psus for the voltage rails
    • ATSAMD21G18A Breakout Board
      • 32.768KHZ is the external crystal?
  • Lead free Smart LEDS?!
    • Direct from APA Electronic
    • APA-102C-5050 256
    • APA-104-260-5050

Stephen

  • Macroamp Update
    • Tested preamp board
      • ~42x gain which is much too high
      • Power supply resistance is way too high at 2k
        • Did not account for extra current draw from buffer Jfets
      • J111 Jfet was bad out of the box - Have replaced with a BJT
      • So far very low noise
      • Riaa input filter still to be tested however it all works
  • Tested Shielded cable footprint from MEP EP 155: Void Copper Donuts
    • Was a Success!

R.F.O.

  • Hack my House: UL Certification and Turning the lights on with an ESP8266
    • What is the legality of IOT and connecting them to Mains?
  • Component Shelf Life: How To Use All That Old Junk
    • How to know when your parts are bad?
    • How old is too old?
    • Surplus Stores
  • EU bans lead solder for real this time
    • Lead has been newly classified by the EU as toxic to reproduction as of March 201
    • This means it can no longer be sold to the general public, only to commercial users
    • The transitional period ended Feb 28, 2019

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 April 24, 2019  1h28m