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    Rodent Treadmill: DC Motor Control, Encoder feedback on Speed, Unidirectional

    Hullo PJRC forums! Got another application I wanted to run by the forums -- a treadmill for mice and rats. Rodent treadmills using in research are very expensive ($8k!), and though solid and nice, there is certainly a lot of extra cost there. [ Requirements ] I'd like to build one. I'd like to...
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    Teensy 3.1 High Speed (>100kS/s AO+AI) Data Acquisition System over USB?

    Hey Paul and Len! Re: sync, have a look at this: http://code.astraw.com/projects/motmot/camtrig/OVERVIEW.html I think it is basically what Paul suggests, but with the Teensy time queried over USB from the PC. Only short latency round trip replies are kept (see python code...
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    Teensy 3.1 High Speed (>100kS/s AO+AI) Data Acquisition System over USB?

    Hi Len and Constantin, Thanks again for incredibly time saving direction. Much appreciated. I have a related follow up: is PC - uc clock synchronization basically a solved problem? I've seen example library code that make clock sync calls on the micro using time data sent over the usb from the...
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    Teensy 3.1 High Speed (>100kS/s AO+AI) Data Acquisition System over USB?

    Forgot to ask, Len are you using/did you need a more low level toolchain or did you use teensyduino?
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    Teensy 3.1 High Speed (>100kS/s AO+AI) Data Acquisition System over USB?

    Wow! That was perhaps the fastest and best feedback I've had on the interwebs in some time. Thank you Len and all! Well give it a shot, and try to phase lock adv and dac as you suggest. Great. And thanks for the selea suggestion. Is that what all the screenshots I keep seeing on the forum of...
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    Teensy 3.1 High Speed (>100kS/s AO+AI) Data Acquisition System over USB?

    Hullo all! I run a bioengineering research group in animal locomotion and we're having loads of fun building kit with the teensy 3.1 -- mostly using it do drive high speed video camera frame grabs and synchronize other digital triggers. We're at www.spencelab.com But i'm increasingly...
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