Friday, January 18, 2013

DIY Power Meter

Keith Hack has posted his latest creation and accompanying DIY guide for the V3 cycle power meter. This design and accompanying software are claimed to measure L/R power. Fabulous..

The 3rd generation (current) DIY PM

Cost breakdown:

V3 Parts Costquantitypricetotal
Strain Gage212.525
Instrumentation Amp24.18.2
Low power ADC21836
Micocontroller (Pro Micro)12525
ANT+  AP2 Module12424
PCB (Rush Proto Service)137.537.5
Misc (Caps, wire, pins, etc)12020
Build a PM for:334.1

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