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Ursa inspired keyboard Mk III

  • Post date 2023-07-30
  • Categories Projects
After my second Ursa inspired keyboard was finished and I wasn't completely satisfied with the bulky look I decided to leave fabric and go back to a material I've worked with a bit more, wood. Also my newest PCBs had arrived a while back and I was eager to use them. I've also gotten some LOTR themed keycaps, more specifically the dwarvish set from Drop. So I started on the third iteration of the original design idea form Andreas Chlupka. Main body So I started with getting some oak planks and [...]

Oxidize copper

  • Post date 2022-11-06
  • Categories Experiments
For a project I'm working on I wanted to test to oxidize copper to get it to look old and used so I read up on the internet and got some ideas. So I got hold of the chemicals I wanted to test with. Ammonia Table salt (fine, flake and coarse) Hydrochloric Acid Citric Acid Some texts indicated that you could apply Ammonia get the oxidizing to start of and add acid and salt to speed up the process and improve the patterns. The first three tests I performed was to soak a bit of paper towel in ammonia [...]
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