# Ep 312: Heart Attacks, the Speed of Light, and Self-balancing

- Show: [Hackaday Podcast](https://hardwarepodcasts.com/podcast/hackaday-podcast)
- Published: 2025-03-14
- Length: 1h 08m
- Episode: 312
- Page: https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing
- Listen: https://hackaday.libsyn.com/ep-312-heart-attacks-the-speed-of-light-and-self-balancing

## Summary

Hosts Elliot Williams and Al Williams discuss a critical flaw in the ESP32 Bluetooth stack, Renault's open-source battery fire suppression system, and the self-balancing robot projects by Mir MK and others. They analyze satellite imagery data from Satologic, the history of the Xbox Kinect, and a physics video explaining relativity via 'Float Head Physics'. The episode also covers IGBT datasheet misinterpretations, a 1957 movie prop computer, and the FDA approval of the Pixel Watch 3's loss of pulse detection algorithm.

## Chapters

- [0:03](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=3) Introduction and ESP32 Backdoor
- [1:19](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=79) Renault Battery Fire Suppression and Supercon Europe
- [3:53](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=233) Sound Reveal: Disposable Camera Shutter
- [6:03](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=363) Self-Balancing Robots and Control Theory
- [13:34](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=814) Satologic Satellite Imagery Data
- [17:32](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=1052) Xbox Kinect and Gesture Control History
- [22:02](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=1322) Physics of the Speed of Light
- [30:52](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=1852) IGBT Datasheet Misinterpretations
- [39:07](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=2347) 1957 Movie Computer and AI Anxiety
- [43:56](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=2636) Quick Hacks: ESP32 Webcam and RGB LEDs
- [49:19](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=2959) Pixel Watch 3 Heart Attack Detection
- [59:14](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-03-14-ep-312-heart-attacks-the-speed-of-light-and-self-balancing#t=3554) The Meaning of Euler's Number (E)

## Topics

- [Microcontrollers & dev platforms](https://hardwarepodcasts.com/topic/microcontrollers-and-platforms)
- [Debugging & failure analysis](https://hardwarepodcasts.com/topic/debugging-and-failure-analysis)
- [Robotics & autonomy](https://hardwarepodcasts.com/topic/robotics-and-autonomy)
- [Medical & health devices](https://hardwarepodcasts.com/topic/medical-devices)
- [AI & machine learning](https://hardwarepodcasts.com/topic/ai-and-machine-learning)
- [Careers & education](https://hardwarepodcasts.com/topic/engineering-careers-and-education)

## Most relevant to

makers and hobbyists

## Mentioned

- ESP32 (chip)
- Renault (company)
- Mir MK (other)
- Arduino (chip)
- Satologic (company)
- Xbox Kinect (product)
- Float Head Physics (other)
- Pixel Watch 3 (product)
- Google (company)
- Sesame (company)

## Related episodes from other shows

- [Pneumatic Tubes, Straight To The Home](https://hardwarepodcasts.com/podcast/the-amp-hour/2024-01-22-pneumatic-tubes-straight-to-the-home) (The Amp Hour)
- [117: In as Much as Which](https://hardwarepodcasts.com/podcast/embedded-fm/2015-09-09-117-in-as-much-as-which) (Embedded.fm)
- [The Spark Gap - Episode 32](https://hardwarepodcasts.com/podcast/the-spark-gap/2015-05-06-the-spark-gap-episode-32) (The Spark Gap)
- [233: Always the Wrong Way](https://hardwarepodcasts.com/podcast/embedded-fm/2018-02-09-233-always-the-wrong-way) (Embedded.fm)
- [498: To Consume Stickers](https://hardwarepodcasts.com/podcast/embedded-fm/2025-04-04-498-to-consume-stickers) (Embedded.fm)

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