Tag Archives: sensor

Coolant mixture sensor (psuedo-refractometer)

Posted on March 15, 2010 by smackaay

A bit ago I got the idea of trying to determine the mixture of coolant vs. water by detecting both light occlusion of the mixture and the wavelengths blocked / passed. This initial device is just a rough prototype that … Continue reading →

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Working on new viscometer head

Posted on October 6, 2009 by smackaay

  Well, I’ve been designing some new stuff since having a little wind of inspiration. This head weighs in at about 700g and provisions have been made to allow an attachment to a handle and therefore a hand-held version could be … Continue reading →

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Stuff about sensors, a quick post.

Posted on December 16, 2008 by smackaay

Well, I’ve been looking around at torque sensors and found some interesting information. For one though, they are NOT cheap. Keep in mind that these are higher sensitivity sensors but it doesn’t seem to have an overwhelming bearing on the … Continue reading →

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Viscometer Rotary Strain Gage update

Posted on December 3, 2008 by smackaay

It hasn’t been long since my last update about this thing but I’ve made some progress as far as making the unit into a single board. I simply used the AD7705B as I suspected it work work great for this … Continue reading →

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The Rotary Torque Sensor… continued

Posted on November 30, 2008 by smackaay

Well, so far, so good. That’s all I can say at the moment. The rotary gage is operational, though it hasn’t had brushes made for it and it seems to output a reasonable amount of voltage difference based on displacement. … Continue reading →

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