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July 18, 2018, Episode #129
- Parker
- Connectors for the Jeep PCM where a perfect match!
- P/Ns
- Black Connector: 4-1437290-5
- White Connector: 4-1437290-6
- Grey Connector: 4-1437290-7
- P/Ns
- Still waiting on the MAX6682 breakout board
- Ordered some MEP Shitty Add-Ons
- Zapp and Hyron ordered a set
- MEP EP#69: Incognito Mode
- MEP EP#109: Arduino, The Gateway Drug To #BadgeLife
- Brandon Satrom ordered one
- MEP EP#122: Brandon Satrom and the LANoT
- Zapp and Hyron ordered a set
- A/C control module repair for the Wagon
- A/C compressor was bypassed
- 2N4403 was all exploded
- Reverse engineered the layout of the module
- Thanks to Tom Anderson who rewrote the schematic!
- Stephen
- Mesa-Boogie Mark IV schematic
- R.F.O.
- KiCad 5 has been released
- Molex Connector 1719821142
- Nano-Pitch I/O
- 42 pins
- 0.5A per pin
- Only 50 mating cycles
- Decimis from Slack Channel
- How would you make a device that could shoot flies out of the air? When I hear a fly buzzing around, I find it highly annoying and they keep getting stuck in one room at work. Then they spend all day flying up and down the room.
- D&D Starwars 5e
Visit our Slack Channel and join the conversation in between episodes and please review us, wherever you listen (PodcastAddict, iTunes). It helps this show stay visible and helps new listeners find us.

A/C control module out of the Wagon with a blown 2N4403 transistor.

Mesa-boogie Mark IV EQ circuit that uses a discrete transistor “opamp” circuit.

Reversed Engineered Schematic Parker made of the A/C control module.

Tom Anderson’s revised A/C control module schematic. Its a opamp comparator circuit!
About the Hosts

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

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!
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