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  Trying out the ice4pi from Lightside Instruments

  At the recent Open Hardware Summit, I was lucky enough to run in to Vladimir from Lightside Instruments. He was kind enough to gift me one of their ice4pi iCE40 shields.

  2025-06-28

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  Back 2 Basics - Op-Amp Buffer

  The second in my series of 'back to basics' real, practical, circuits. Today we're building an Op-Amp Buffer.

  2025-06-23

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  Building the Kilnettle Tape Dispenser

  Stephen presented his Kilnettle Shrine Talking Tape Dispenser as a Lightning Talk at the 2025 Open Hardware Summit. He was kind enough to send me one to build.

  2025-06-20

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  Migrating my Mastodon server to Masto.host

  I migrated my Mastodon server from a self-hosted DigitalOcean droplet to an instance provided by Masto.host. The process was straightforward and took less than an hour.

  2025-06-17

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  Back 2 Basics - R-2R Ladder DAC

  The first in a series of 'back to basics' projects, building real, practical, circuits. This time it's an R-2R Ladder DAC.

  2025-06-09

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  I presented at the 2025 Open Hardware Summit

  Apologies for the break in blogging, but I've spent the past month preparing for, and then giving, my 'VanSpoof and F**dG3ar' talk at the 2025 Open Hardware Summit.

  2025-06-05

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  I'm presenting at the 2025 Open Hardware Summit

  I'm presenting 'VanSpoof and F**dG3ar: Reverse engineering proprietary bike components to prevent e-waste' at the 2025 Open Hardware Summit and will cover everything involved in designing replacement, open source, parts to repair VanMoof e-bikes.

  2025-04-30