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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

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  Selling Products on Tindie

  I'm now selling my electronics kits on Tindie! I've listed my Spy! Break! Inject! and VanSpoof projects as assembled products, kits and bare PCBs.

  2025-04-24

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  VanSpoof v1.0

  I'm happy to announce the v1.0 release of VanSpoof. My VanMoof X3 now starts up, without an e-shifter connected, and does not show an Error 44 status! The bike thinks it's connected to a working, functional, e-shifter!

  2025-04-17

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  VanSpoof - Prototype 2 - Shrunken PCBs

  The VanSpoof PCB has to be no bigger than 31.5 mm by 21.5 mm to fit. Unfortunately, Molex's SMD footprints are quite wide so the board needed a fair bit of layout work to make everything fit.

  2025-04-08

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  Stop the WANPTEK/NANKADF power supply's beeps

  The Nankadf (aka Wanptek) WPS3010H power supply is an excellent piece of test equipment to have on the bench. It does have one fatal flaw, it beeps on every interaction, but do you really own anything if you don't modify it?

  2025-03-30