MacroFab Engineering Podcast

MacroFab's Engineering Podcast! Where Electrical Engineers, Parker Dillmann and Stephen Kraig talk about electrical engineering topics, DIY projects, and industry news. Sometimes cool people stop by the podcast to drop some knowledge.


episode 232: Chonky Motherboards

MEP EP#232: Chonky Motherboards

  • The Cat Feeder Unreminder
    • Different implementations to accomplish the goal
  • Synth DSP replacement
    • Korg MS2000
    • Was pulling an additional 500mA on the power supply
    • Found a blown surface mount fuse
    • The DSP chip XCB56362PV100 was hot to touch
      • Replaced with part found on ebay
      • Wasn’t sure if this part needed programming
  • LED Matrix Driver - IS31FL3741
    • 39x9 LED matrix = 351 individual color leds or 117 RGBs
    • QFN-24 package
    • 256 levels of PWM control and 256 levels of DC current control
    • Layout vs code
  • Brew Day Updates!


 2020-07-09  51m