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Students build and test a device to follow the movement of the sun (or flashlight)
using a DCU, small DC motor, and two Light Sensors.
Easy Steps for Creating
Logger Pro Control Applications
Logger Pro’s new Digital Output feature makes it easy to create logical
statements to control DCU output lines.
1 Select the DCU line or lines you want to activate.
2 Build a logic statement to activate the line when this statement
is true.
3 Choose AND, UNTIL, or OR to create a compound statement.
Configuring output logic using the Digital Output feature of Logger Pro
ENGINEERING: STEM SOLUTIONS USING LOGGER PRO
STEM Solutions Using
Logger Pro
a. Digital Control Unit (DCU)
ORDER CODE DCU-BTD, $61
The Digital Control Unit (DCU) gives any
Vernier interface with a digital port the ability
to perform digital output. Use Logger Pro or NI
LabVIEW software to drive motors, light
bulbs, buzzers, or other small electrical devices
with up to 600 mA of current. Power supply
not included, but you can use either
a LabQuest or LabPro power supply
(ORDER CODE LQ-PS, $11, or ORDER CODE IPS, $12).
b. Instrumentation Amplifi er
ORDER CODE INA-BTA, $59
The Vernier Instrumentation Amplifi er provides
an easy means to connect circuits and devices
that produce small voltage signals; a strain-gage
bridge circuit is an example. The signal from the
strain-gage circuit varies over a few millivolts
and the Instrumentation Amplifi er steps up this
voltage into the range where it can be handled
by a Vernier interface.
c. Analog Breadboard Cable
ORDER CODE BB-BTA, $10
Digital Breadboard Cable
ORDER CODE BB-BTD, $11
The Breadboard Cables provide an easy way to
build a custom sensor and input the signal into a
Vernier interface using Logger Pro software.
One end of the Breadboard Cable plugs into
a Vernier interface. The other end plugs into
a standard prototyping board. Choose the
BB-BTD cable to build custom digital sensors,
such as tachometers or photogates. Choose the
BB-BTA cable to design your own custom analog
sensors, such as photoresistors or thermistors.
a $61
Go to www.vernier.com/engineering for engineering education products- |- ENGINEERING
b
c
$59
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