28129 Parallax Inc, 28129 Datasheet - Page 162
![TEXT BASIC ANALOG & DIGITAL](/photos/6/49/64954/mfg_28129_sml.jpg)
28129
Manufacturer Part Number
28129
Description
TEXT BASIC ANALOG & DIGITAL
Manufacturer
Parallax Inc
Type
Programmingr
Datasheet
1.28129.pdf
(176 pages)
Specifications of 28129
Style
Book
Title
Basic Analog and Digital
Contents
Basic Analog and Digital Text
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Not applicable / Not applicable
- Current page: 162 of 176
- Download datasheet (3Mb)
What have I learned?
On the lines below, insert the appropriate words from the list on the left.
threshold
capacitance
capacitor
RC
exponential
discharge
Analog sensors that vary in resistance or capacitance are used to measure a
variety of physical quantities. An ______________ circuit can be used in
conjunction with a BASIC Stamp binary input pint to measure resistance
or capacitance.
The ______________ is charged to 5-volts, then it is allowed to discharge,
and the time it takes to get from 5-volts to the ______________ voltage of
a BASIC Stamp input pin is measured. The equation for ______________
decay can then be used to determine a value of resistance or capacitance if
the other quantity is known.
An RC circuit where the resistance varies can be calibrated to a certain
range of ______________ times by changing the value of the capacitor.
This method can be used because the resistance multiplied by the
______________ is logarithmically related to the rate of decay.
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