Goldsprints v2 Build Log

New hardware stuff:

  • Unipolar sensors (whoops)
  • RJ45/Cat5 sensor interconnects using keystone jacks
  • Much improved sensor housing
  • Less gaff tape


  • Transistor circuit in sensor to blink an LED on each tick
  • 3D-printed enclosures
  • Smarter sensor mounting

Goldsprints Pt. 2

Helping out my main dudes at Somervelo again next month with another Goldsprints event. Stay tuned for a new hardware build log.


Hiya. I’m Andrew. I freelance. New blog. Less talk.

DIY Fume Sucker

I don’t usually publish the stupid things I hack together (code or otherwise), but I’m especially proud of this one, mostly because it’s my first really useful one. I sometimes work for an engineering company designing electronics, firmware, and user interfaces for medical device prototypes. When I’m prototyping, I do a good amount of soldering. … Continue reading