MEP EP#232: Chonky Motherboards

MEP EP#232: Chonky Motherboards

MEP EP#232: Chonky Motherboards

Parker

  • The Cat Feeder Unreminder
    • Different implementations to accomplish the goal

Stephen

  • 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

R.F.O.

  • Brew Day Updates!

Jaksot(448)

EP#404: The Barcode is 50 with its creator, Paul V. McEnroe

EP#404: The Barcode is 50 with its creator, Paul V. McEnroe

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EP#403: Captured Pads

EP#403: Captured Pads

Parker and Stephen check in with the new Circuit Break Discourse community and a Chip of the Week discussion initiated by mobius_striptease, a closer look at the LT3073 3A, Ultra-Low Noise, High PSRR,...

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EP#402: Consciously Collecting Concepts

EP#402: Consciously Collecting Concepts

Parker and Stephen discuss Parker’s participation in Extra Life Day: Revenge of the Holiday Special on November 4, 2023, in which he’ll be playing and streaming STAR WARS Jedi: Fallen Order for 24 hou...

31 Loka 202354min

EP#401: Recording Studio Problem Solving with Electrical Audio’s Greg Norman

EP#401: Recording Studio Problem Solving with Electrical Audio’s Greg Norman

Parker and Stephen have a great talk with Greg Norman, a recording engineer, producer, and technician at Steve Albini’s studio, Electrical Audio, in Chicago, who also constructs and repairs various au...

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EP#400: We Are Circuit Break!

EP#400: We Are Circuit Break!

Parker and Stephen celebrate episode 400 of the MacroFab Engineering Podcast and announce its relaunch as Circuit Break starting next week, plus a discussion about MacroFab’s tenth anniversary, the en...

17 Loka 202350min

EP#399: Zero to One: Joshua Manley on the language of the 3D realm

EP#399: Zero to One: Joshua Manley on the language of the 3D realm

Parker and Stephen welcome Josh Manley back to the show to discuss how humans and CAD can interact! Josh is the co-owner and CEO of CADClass.org. Through a comprehensive array of courses and literatur...

13 Loka 20231h

EP#398: Duke Nukem v. Parker, Raspberry Pi 5, Weldestroyer!

EP#398: Duke Nukem v. Parker, Raspberry Pi 5, Weldestroyer!

Parker and Stephen discuss Parker’s past and upcoming Extra Life Day charity work, in which he plays video games like Duke Nukem and STAR WARS Jedi: Fallen Order to support Children’s Miracle Network ...

6 Loka 202349min

EP#397: Guard the CHIPS, New Math for Double E’s

EP#397: Guard the CHIPS, New Math for Double E’s

Parker and Stephen discuss community feedback that led Parker to order a Bambu X1 Carbon 3D Printer, which should be arriving any day now, S to the L to the A, “guardrails” that the U.S. Commerce Depa...

29 Syys 202349min

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