130-28176 Parallax Inc, 130-28176 Datasheet - Page 201

KIT PARTS PROCESS CONTROL

130-28176

Manufacturer Part Number
130-28176
Description
KIT PARTS PROCESS CONTROL
Manufacturer
Parallax Inc
Datasheets

Specifications of 130-28176

Accessory Type
Education Kit
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Board of Education Full Kit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Chapter 6: Open Loop Continuous Process Control · Page 191
Figure 6-6 is a capture of the plotted data for this range. Doesn't look so good now, does
it? With the current resolution and span, the system can only resolve temperatures to
1.96 °F. This isn't very good for precise temperature monitoring and control.
Figure 6-6 ADC Byte Count vs. Calculated Temperature - Narrow Range
For better resolution the system needs to be modified to focus on the temperatures of
interest. One means to do this would be amplify the voltage before converting to a digital
value.

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