# Ep 292: Stainless Steel Benchies, Lego Turing Machines, and a Digital Camera Made of Pure DIY

- Show: [Hackaday Podcast](https://hardwarepodcasts.com/podcast/hackaday-podcast)
- Published: 2024-10-11
- Length: 1h 04m
- Episode: 292
- Page: https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o
- Listen: https://hackaday.libsyn.com/ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-of-pure-diy

## Summary

Hosts Elliot Williams and Dan Maloney discuss several long-term hardware projects, including Wenting's seven-year effort to build a fully DIY mirrorless digital camera using a CCD sensor and FPGA, and Metal Matters' two-year struggle to 3D print stainless steel benchies using laser melting. They also cover Steven Hawes' work on solderless PCB prototyping with conductive inks, 3D printed roller bearings made from filament, and a complex Lego Technics Turing machine. The episode concludes with a deep dive into Lagrange points for space orbit mechanics and research into recycling polyethylene and polypropylene using solid-phase catalysts.

## Chapters

- [0:01](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=1) Introduction and Supercon Updates
- [1:56](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=116) Internet Archive Hack and Password Security
- [6:21](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=381) Wenting's DIY Mirrorless Digital Camera
- [12:35](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=755) Metal Matters' Stainless Steel 3D Printing
- [21:18](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=1278) 3D Printing Techniques: Pause-and-Attach and Bearings
- [26:16](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=1576) Lego Technics Turing Machine
- [29:41](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=1781) Steven Hawes' Solderless PCB Prototyping
- [47:28](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=2848) Lagrange Points and Space Orbit Mechanics
- [54:11](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o#t=3251) Recycling Plastics with Solid Catalysts

## Topics

- [Prototyping & iteration](https://hardwarepodcasts.com/topic/prototyping)
- [Materials & manufacturing processes](https://hardwarepodcasts.com/topic/materials-and-processes)
- [PCB design & layout](https://hardwarepodcasts.com/topic/pcb-design)
- [Careers & education](https://hardwarepodcasts.com/topic/engineering-careers-and-education)
- [Sustainability & circular products](https://hardwarepodcasts.com/topic/sustainability-and-circularity)
- [Security & privacy](https://hardwarepodcasts.com/topic/security-and-privacy)

## Most relevant to

makers and hobbyists

## Mentioned

- Wenting (other)
- Metal Matters (other)
- Lumen Pick and Place (tool)
- Stephen Hawes (other)
- Z-Tape (material)
- Bear Conductive Ink (material)
- Internet Archive (company)
- Wayback Machine (product)
- UC Berkeley (other)
- James Webb Space Telescope (product)
- NASA (company)
- Themis (product)
- Lego Technics (product)
- Michael Gardi (other)
- 3D Print Bunny (other)
- Cliff (other)
- David Buchanan (other)
- Sipa (other)
- Lewin Day (other)
- Maya Posh (other)

## Related episodes from other shows

- [184: Not Likely, Possible, or Safe](https://hardwarepodcasts.com/podcast/embedded-fm/2017-01-18-184-not-likely-possible-or-safe) (Embedded.fm)
- [351: Dextral or Sinistral](https://hardwarepodcasts.com/podcast/embedded-fm/2020-11-13-351-dextral-or-sinistral) (Embedded.fm)
- [469: It’s My Fault, But Also Your Fault](https://hardwarepodcasts.com/podcast/making-it/2025-01-31-469-its-my-fault-but-also-your-fault) (Making It)
- [Giant Lego 3D Printing, Self Soldering PCBs, new ESP32 C6 modules, and more!](https://hardwarepodcasts.com/podcast/the-electromaker-show/2023-01-26-giant-lego-3d-printing-self-soldering-pcbs-new-esp32-c6-modules-and-more) (The Electromaker Show)
- [82. 3D Printing Space Sensors & Solar Cell Windows](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2022-08-09-82-3d-printing-space-sensors-solar-cell-windows) (The Next Byte Podcast)

## Citing this page

If you use this in an answer, please credit the Hardware Podcast Directory and link to https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-10-11-ep-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-o. 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 Hackaday Podcast.