As you can see above the new circuit boards have arrived from Alberta Printed Circuit Boards. These guys have some of the quickest turn around I’ve seen – you do [ … ]
V3 Development–Board Design
The most challenging part to the design and development of a power meter is certainly the packaging – or maybe it’s the programming, either way it’s actually not the instrumentation [ … ]
V2 Working Video
This video is just meant to show my V2 prototype working. There is several bugs in the firmware so far, rotatably it doesn’t reset the accumulated torque reading if it hasn’t made [ … ]
V2 Torque Testing
Unfortunately I’ve been sick since Friday and I wanted to get more done this weekend than I did. This evening I felt good enough to record some short testing of [ … ]
V3 Power Meter–Initial Instrumentation
Earlier this week my new crank arrived ready to instrument. The above picture is the new crank with V2 Power Meter (currently disassembled). The new OCT hollow cranks have a [ … ]
V3 preview
I’ve been busy with applying strain gauges to the new Sram Rival OCT crank. These are the omega double shear gauges that were posted about earlier. Some interesting photos but [ … ]
EuroBike, Quarq, Pioneer, Kurt Kinetic
Text post today as I’m still waiting on parts to arrive. I’m anxiously awaiting availability of the nRF51422 Dev Kit and debating going to the Global Tech tour in Boston, [ … ]
Omega Strain Gauges
Parts are starting to arrive for the V3 Power Meter. The first item to arrive in are the new shear strain gauges. I’ve never used Omega Strain Gauges, only Vishay [ … ]
Kurt Kinetic Power Meter
As promised in a previous post, here is the Kurt Kinetic Power Meter Mark I. Note, that the ANT+ key HAS BEEN REMOVED so you will need to re-insert it [ … ]
AP2 Module and Design Changes
I’ve decided to migrate to the AP2 module for V3 as previously alluded to. So that means I need to mount the AP2 module via connector or soldering to the [ … ]
