Quarq or Accuity? Guess which is which. Testing right side then left side! Close, almost perfect. Going back to check calibration data. This one requires some “Decoupling” math which I’ll [ … ]

Quarq + Accuity The Quarq + Accuity crankset is almost ready. Major changes since the Rival based version include: Zero offset (or “calibration response”) programming has had a major change. [ … ]

That really didn’t take very long for a proof of concept! Okay, so you can see the code in the background there and ANT+ is getting super easy for me [ … ]

UPDATE: Didn’t take long for the proof of concept video located on the post hereI was just reading DCrainmaker’s latest post on the a new silent trainer here, the Elite [ … ]

The enclosure is getting closer to what I want. I’ve ditched the wrap-around plastic on the drive side arm and I’m contemplating using a wire from the BB Axle (plastic [ … ]

It’s been a few days since I’ve written anything. It’s been a very busy few weeks. Nothing overwhelming stands out but the enclosure design in progressing. I’ve also been prepping [ … ]

Above you see the culmination of 13 hours of work – 4 simple circuit boards. They aren’t fully tested at this stage either. They have all been programmed and checked [ … ]

I went on my third ride last night (fit file here) with zero dropouts, but there is one spike for some reason I’ve yet to determine. The Garmin connect link [ … ]

Testing Accuity V4.1 Bicycle Powermeter I’ve also made my Garmin Connect file public (Garmin here, Fit File here) so everyone can download it. There are anomalies and this is a first [ … ]

  Originally I started this blog as a more general purpose hacking site, however it’s been a little more dedicated to sports sensors and ANT+ the last few months. I’ve [ … ]