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Popsicle Crane Update No. 3

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The Plan for the Butt of the Crane Boom

Much progress has been made on the construction of the popsicle stick crane. At the last crane update I had built built the major part of the boom and some pulleys. Since that time I have figured out how to make the pulleys spin fairly

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Goals of Calibration of the Thermistor Circuit.

Block Diagram of the Thermistors.

Tonight is time to zoom out and look at the block diagram of the thermistors. When drawing a CAD drawing it is necessary to sometimes zoom in and work with details and sometimes necessary to zoom out and look at the overview. When designing parts of a process to

Continue reading Goals of Calibration of the Thermistor Circuit.

Linearizing our Thermistor.

The first part of our Thermistor Circuit.

We are not to the end of talking about the thermistor yet but we can see the light at the end tunnel. Last night’s post “Principles of linearization” was a long one with lots of math… tonight’s post is relatively short and mostly pictures. I think we

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Principles of Linearizing the Thermistor.

Thermistor Resistance vs. Deg F.

Tonight we are going to take our first steps toward making that scary looking exponential curve of the thermistor resistance into something we can use. The plot show in the first picture is the one we created in “Our First Look at Thermistor details” and was created by simply

Continue reading Principles of Linearizing the Thermistor.