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CSS Designs

What We Do

Product Development

We build, market and sell our own products, see our Products page for more information.

Design Services

We specialize in low-power, small-signal electrical and firmware designs using modern tools and design patterns. A sample list of technologies we work with:

  • Digital Communication: USB, WiFi, Bluetooth Low Energy, UART, SPI, I2C, CAN, Ethernet
  • Operating Systems: Windows, Mac, Linux (and embedded), FreeRTOS, Zephyr
  • Compilers: GCC, Clang, IAR, Microsoft, Microship XC, Keil
  • Programming Languages: C, C++, Python, C#, Java, assembly
  • PCB Tools: KiCad, Altium, Autodesk Eagle

We have worked professionally in industrial hygiene, fitness, HVAC, life sciences and consulted in many more industries.

We have the tools to work on any project: multimeters, smart power supplies, oscilloscopes, load testers, spectrum analyzers, hardware debuggers, 3D printers, and CNC machines.

Who We Are

Matt Wittenberg

Owner & Principal Engineer

Educated at MATC (Milwaukee) and UW Madison in electronics and computer science, I started with a solid foundation. Combine that with almost 30 years of engineering and leadership in various industries, I am confident in creating innovative solutions and delivering exceptional results.


Contact me direct at: matthew.wittenberg@cssdesignllc.com

Contact

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CSS Designs

Franklin, Wisconsin, United States


Copyright © 2025 CSS Designs - All Rights Reserved.

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