Charles’s Substack
Charles SwanMy personal Substack
| Platform |  | Pricing | Only free issues | Publishes | Monthly |
|---|---|---|---|---|---|
| Issues | 5 | Subscribers | Read | last10pct.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Making a robot wood mill: Part 2
To recap: The first 90% of the work was making the motor/saw/cutting assembly, the core X and Z axis, the wiring, the software, and making the first cut.
I know nothing about my car because it just works. I know everything about my backhoe because it is a hot mess.
First, let me say thank you to the NorTrac company for making a useful product and an incredibly low price. I bought my NorTrac 15HP towed backhoe in 2022 for $3500. If I had bought a brand-new self-propelled backhoe or excavator, it would ...
Bedside lamps are so bad
I have bought several bed-side lamps for my kids, all of which have issues. I’d rather make my own and use it forever than keep re-buying them.
Making a robot wood mill: Part 1
Why make a wood-mill:
Authors
The writers behind this newsletter.
I spent 17 years at Amazon before retiring in 2025. This included founding AWS SageMaker, running Capacity Planning during the 2020 COVID crisis, and being Single Threaded Leader of the Sparrow robot arm. Now I build things for my own personal use.
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