# Ep 323: Impossible CRT Surgery, Fuel Cells, Stream Gages, and a Love Letter to Microcontrollers

- Show: [Hackaday Podcast](https://hardwarepodcasts.com/podcast/hackaday-podcast)
- Published: 2025-05-30
- Length: 58m
- Episode: 323
- Page: https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00
- Listen: https://hackaday.com/2025/05/30/hackaday-podcast-episode-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-microcontrollers/

## Summary

Hosts Elliot Williams and Dan Maloney review a wide array of hardware hacks, including V Hunter Adams' lecture on embedded systems at Cornell, Color Vac's internal CRT surgery, and the Luminophone musical instrument. They also discuss Arrow's backyard observatory, Kalesh Sitaram's Stamp modular breakout boards, and Grumman's electromagnetic forming process. The episode concludes with coverage of stream gauges and fuel cell technology.

## Chapters

- [0:01](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=1) Introduction: Right to Repair and Pet Hacks
- [5:20](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=320) What's That Sound Contest
- [5:52](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=352) V Hunter Adams: Love Letter to Embedded Systems
- [15:00](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=900) Color Vac: Internal CRT Surgery
- [20:12](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=1212) The Luminophone and Backyard Observatory
- [27:54](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=1674) Stamp Modular Breakout Boards
- [35:17](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=2117) Grumman Electromagnetic Forming
- [42:57](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=2577) Quick Picks: Flipper Zero, C64 HDMI, and Toaster
- [45:39](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-05-30-ep-323-impossible-crt-surgery-fuel-cells-stream-gages-and-a-love-letter-to-micro-a749ff00#t=2739) Stream Gauges and Fuel Cells

## Topics

- [Embedded firmware](https://hardwarepodcasts.com/topic/embedded-firmware)
- [Mechanical engineering](https://hardwarepodcasts.com/topic/mechanical-engineering)
- [PCB design & layout](https://hardwarepodcasts.com/topic/pcb-design)
- [Industrial & consumer product design](https://hardwarepodcasts.com/topic/industrial-design)
- [Energy & climate tech](https://hardwarepodcasts.com/topic/energy-and-climate-tech)
- [Sensors & measurement in products](https://hardwarepodcasts.com/topic/sensors)

## Most relevant to

makers and hobbyists

## Mentioned

- Cornell (other)
- V Hunter Adams (other)
- Bruce Land (other)
- Color Vac (other)
- Luminophone (product)
- Arrow (other)
- Kalesh Sitaram (other)
- Stamp (product)
- Grumman Corporation (company)
- F-14 (product)
- Flipper Zero (product)
- Commodore 64 (product)
- US Geological Survey (company)
- Al Williams (other)

## Related episodes from other shows

- [It Works With Option Number 5](https://hardwarepodcasts.com/podcast/the-amp-hour/2025-06-19-it-works-with-option-number-5) (The Amp Hour)
- [233: Always the Wrong Way](https://hardwarepodcasts.com/podcast/embedded-fm/2018-02-09-233-always-the-wrong-way) (Embedded.fm)
- [449: Soldering the Ukulele](https://hardwarepodcasts.com/podcast/embedded-fm/2023-05-11-449-soldering-the-ukulele) (Embedded.fm)
- [197: Smell the Transistor](https://hardwarepodcasts.com/podcast/embedded-fm/2017-04-26-197-smell-the-transistor) (Embedded.fm)
- [73: That's a Waste of Bits](https://hardwarepodcasts.com/podcast/embedded-fm/2014-10-22-73-thats-a-waste-of-bits) (Embedded.fm)

## Citing this page

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