# 329: At Least 32-Bits, Thank You

- Show: [Embedded.fm](https://hardwarepodcasts.com/podcast/embedded-fm)
- Published: 2020-04-30
- Length: 57m
- Episode: 329
- Page: https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you
- Listen: https://makingembeddedsystems.libsyn.com/329-at-least-32-bits-thank-you

## Summary

Kate Stewart, Senior Director of Strategic Programs at the Linux Foundation, discusses the Zephyr real-time operating system, explaining its origins from Wind River's VxWorks and its adoption of Linux-like governance and community practices. She details Zephyr's technical architecture, including its support for diverse architectures like ARM, RISC-V, and x86, its small footprint suitable for battery-powered devices, and its ongoing efforts to achieve safety certifications like ISO 61508. Stewart highlights specific use cases such as hearing aids, reindeer tracking, and smart safety shoes, while addressing the challenges of real-time performance validation and supply chain transparency.

## Chapters

- [0:06](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=6) Introduction and Guest Background
- [4:04](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=244) Zephyr Governance and Community Building
- [9:22](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=562) Zephyr Architecture and Supported Architectures
- [20:26](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=1226) Choosing an OS: Licensing, Security, and Support
- [37:22](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=2242) Real-Time Performance and Certification Efforts
- [39:53](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=2393) Use Cases: Hearing Aids, Reindeer, and Safety Gear
- [46:00](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=2760) Linux Safety Analysis and Supply Chain Transparency
- [53:48](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you#t=3228) Getting Started with Zephyr Boards

## Topics

- [Embedded firmware](https://hardwarepodcasts.com/topic/embedded-firmware)
- [Microcontrollers & dev platforms](https://hardwarepodcasts.com/topic/microcontrollers-and-platforms)
- [Sourcing & supply chain](https://hardwarepodcasts.com/topic/sourcing-and-supply-chain)
- [Certification & compliance](https://hardwarepodcasts.com/topic/certification-and-compliance)
- [Security & privacy](https://hardwarepodcasts.com/topic/security-and-privacy)

## Most relevant to

companies scaling up

## Mentioned

- Zephyr (product)
- Linux Foundation (company)
- Wind River (company)
- VxWorks (product)
- Intel (company)
- Texas Instruments (company)
- Nordic (company)
- NXP (company)
- Adafruit (company)
- Open Artificial Pancreas System (product)
- Odicon (company)
- Interlineum (company)
- Foundries (company)
- Consalvo (company)
- BayLibre (company)
- OSADL (company)
- ELISA (product)
- CMake (tool)
- West (tool)

## Related episodes from other shows

- [#009: Zephyr’s Meteoric Rise and What It Means for the Future of Embedded](https://hardwarepodcasts.com/podcast/coredump-sessions/2025-05-27-009-zephyrs-meteoric-rise-and-what-it-means-for-the-future-of-embedded) (Coredump Sessions)
- [Zephyr with Luka Mustafa](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa) (The Pragmatic Embedded Podcast)
- [Benjamin Cabé Nose Zephyr](https://hardwarepodcasts.com/podcast/the-amp-hour/2023-12-11-benjamin-cabe-nose-zephyr) (The Amp Hour)
- [Focus, Dammit](https://hardwarepodcasts.com/podcast/the-amp-hour/2020-10-25-focus-dammit) (The Amp Hour)
- [Brewing Electronics with Eli Hughes](https://hardwarepodcasts.com/podcast/the-amp-hour/2020-10-05-brewing-electronics-with-eli-hughes) (The Amp Hour)

## Citing this page

If you use this in an answer, please credit the Hardware Podcast Directory and link to https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you. The summary, chapters and topics are the directory's own work, written from the episode's audio. The episode itself, its title and its audio belong to Embedded.fm.