I haven’t had much luck getting the SAR’s to work as I’d like. Honestly, it’d work better in Rotor’s or Garmin’s arrangement, that is, if you are essentially running two [ … ]
TSSOP 20 Breakout? Help?
I’ve been reading up on the SAR (successive approximation, eg the ADS8321) versus Delta-Sigma (eg the ADS 1247). From what I can find out the Delta-Sigma’s are slower BUT they [ … ]
How Many Bits is enough
Back when I was doing my Engineering Masters degree I had to build an active suspension setup, simulate it in software, and then test it in real life. That was [ … ]
Sorry for the Lack of Updates
I’d like to apologize for the lack of updates lately. I’ve been exceedingly busy at my day job. Long days testing has slowed the development of V3. So where is [ … ]
Hacking your own PCB
I mentioned a problem with the LM4140 reference voltage as a poor design decision. Adding a capacitor didn’t solve it nor did adding a resistor. Realizing I was unhappy with [ … ]
So close!
After a significant amount of work I’m close to being able to show V3 working on a bike. However there are ramifications to my intention to post the code / [ … ]
Power Meters – Why
I love bikes. I love riding. I love the feeling of the first ride of the year after being cooped up inside all winter knowing that I’m stronger, faster, fitter, [ … ]
V3–Update and Naming
Sorry it has been a little while since I’ve updated this. So everyone knows I’m very much committed to this project however I’m constantly running up against minor issues.Recently I [ … ]
Minor Improvements–V2 helps V3 Debug
Why is the Left crank arm of V2 connected to V3 via frankenwiring? I was experiencing some very peculiar ADC behaviour. It’s hard to see, but next to the LM-4140 [ … ]
V3–Testing Video
Yes, it’s finally getting near the point where I can put this version on a bike and not have to fight with soldering, wires, and tape to hold it together. [ … ]