# Ep 307: CNC Tattoos, The Big Chill in Space, and PCB Things

- Show: [Hackaday Podcast](https://hardwarepodcasts.com/podcast/hackaday-podcast)
- Published: 2025-02-07
- Length: 48m
- Episode: 307
- Page: https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things
- Listen: https://hackaday.libsyn.com/ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things

## Summary

Hosts Elliot Williams and Al Williams review a wide range of hardware hacks, including Aaron Christophel's reverse-engineering of the SR-08 smart ring, Emily the Engineer's CNC tattoo machine, and the Tan Matsu hacker badge. They also discuss Levi Jansen's DIY PCB via electroplating, the Buffalo S2 bicycle's dual-chain reliability, and Ramen Shaber's use of PCBs as part placement jigs. The episode concludes with discussions on space mortality protocols and the history of time balls.

## Chapters

- [0:01](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=1) Intro, Tariffs, and What's That Sound
- [4:22](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=262) Hacking the SR-08 Smart Ring
- [10:45](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=645) CNC Tattoo Machine by Emily the Engineer
- [14:23](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=863) The Tan Matsu Hacker Badge
- [21:20](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=1280) DIY PCB Via Electroplating by Levi Jansen
- [23:51](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=1431) Buffalo S2 Dual-Chain Bicycle
- [27:57](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=1677) PCB Part Placement Jigs by Ramen Shaber
- [31:21](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=1881) Quick Hacks: Synchros, T12 Tips, and Satellite Radio
- [36:06](https://hardwarepodcasts.com/podcast/hackaday-podcast/2025-02-07-ep-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things#t=2166) Mortality in Space and Time Balls

## Topics

- [Debugging & failure analysis](https://hardwarepodcasts.com/topic/debugging-and-failure-analysis)
- [PCB design & layout](https://hardwarepodcasts.com/topic/pcb-design)
- [Mechanical engineering](https://hardwarepodcasts.com/topic/mechanical-engineering)
- [Prototyping & iteration](https://hardwarepodcasts.com/topic/prototyping)
- [Policy, trade & tariffs](https://hardwarepodcasts.com/topic/policy-trade-and-tariffs)
- [AI & machine learning](https://hardwarepodcasts.com/topic/ai-and-machine-learning)

## Most relevant to

makers and hobbyists

## Mentioned

- SR-08 (product)
- Renesas (company)
- Tan Matsu (product)
- Buffalo S2 (product)
- T12 (product)
- Bao Fang (product)

## Related episodes from other shows

- [062 - Keymap Rain Dance](https://hardwarepodcasts.com/podcast/unnamed-reverse-engineering-podcast/2022-12-30-062-keymap-rain-dance) (Unnamed Reverse Engineering Podcast)
- [314: Why Are Wings Needed in Space? (Repeat)](https://hardwarepodcasts.com/podcast/embedded-fm/2022-07-07-314-why-are-wings-needed-in-space-repeat) (Embedded.fm)
- [033 - All Over the Place](https://hardwarepodcasts.com/podcast/unnamed-reverse-engineering-podcast/2020-04-27-033-all-over-the-place) (Unnamed Reverse Engineering Podcast)
- [494: All Tech Is Wearable](https://hardwarepodcasts.com/podcast/embedded-fm/2025-02-07-494-all-tech-is-wearable) (Embedded.fm)
- [069 - Canned Cheese and Onion Rings](https://hardwarepodcasts.com/podcast/unnamed-reverse-engineering-podcast/2024-04-17-069-canned-cheese-and-onion-rings) (Unnamed Reverse Engineering Podcast)

## Citing this page

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