Jeep radio hacking side synth

Circuit Break Podcast #43

Jeep Radio Hacking with a Side of Synth

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Tour MacroFab's ITAR-Compliant Facility

November 24, 2016, Episode #43

On this episode, Parker and Stephen talk about Parker's Jeep radio and Stephen has an update to the Brewing Rig.

Podcast Notes

  • This podcast was recorded at the MacroFab Engineering location. See Figure 1.
  • MacroFab had its annual Thanksgiving Potluck today. See Figure 2.
  • Parker has been working more on the Jeep Radio. Part numbers for the IC’s are the following:
    • TDA8563 : 2-Channel 40W power amp
    • TDA7429L : ST manufactured 3 Band Equalizer Audio Processor
    • TEA0675 : Dual Dolby IC
  • Stephen brewed another beer with his electronic brewing rig. He has updated it to be safer and less likely to kill him. See Figure 3.
  • The FX Dev Board is nearing launch of the crowd funding. Video is almost done.
  • The synth Stephen has been working on has the VCO (Voltage Controlled Oscillator) designed and layed out.
  • Open-V, The First Open Source RISC-V Microcontroller. Students at the Universidad Industrial de Santander in Colombia, have been working on an open 32-bit microcontroller based on the RISC-V instruction set. It is being crowd funded on Crowd Supply. $49 USD gets you a first-run mRISC-V in a QFN-32 package and $99 gets you a development board with a SD card slot, USB connector, and voltage regulators.
    • 160Mhz Clock Speed
    • SPI
    • I2C
    • SDIO
    • JTAG
    • 10 Bit ADC
    • 12 Bit DAC
    • 16 GPIO
Figure 1: Engineering room at MacroFab.

Figure 1: Engineering room at MacroFab.

Figure 2: MacroFab’s Thanksgiving Potluck.

Figure 2: MacroFab’s Thanksgiving Potluck.

Figure 3: Stephen’s Brewing rig after being made to be less deadly.

Figure 3: Stephen’s Brewing rig after being made to be less deadly.

About the Hosts

Parker Dillmann
  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

Stephen Kraig is a component engineer working in the aerospace industry. He has applied his electrical engineering knowledge in a variety of contexts previously, including oil and gas, contract manufacturing, audio electronic repair, and synthesizer design. A graduate of Texas A&M, Stephen has lived his adult life in the Houston, TX, and Denver, CO, areas.

Stephen has never said no to a project. From building guitar amps (starting when he was 17) to designing and building his own CNC table to fine-tuning the mineral composition of the water he uses to brew beer, he thrives on testing, experimentation, and problem-solving. Tune into the podcast to learn more about the wacky stuff Stephen gets up to.

Special thanks to whixr over at Tymkrs for the intro and outro!

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