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Investigator
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There were 9 questions found in this category:
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 Create a program in Investigator that can run two tasks at the same time.
1. The first
task acquires light sensor data every 2 seconds while Motor A runs at
half speed until the touch sensor is pushed in. Then Motor A shuts off
and the data collection stops.2.
The second task turns on Lamp C at low power and increases the power
level every 2 seconds. Lamp C turns o...
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Do Investigator icons appear in Inventor Levels 4 and 5?
Yes, Investigator icons do appear in Inventor levels 4 and 5. The icons do not appear in RoboLab 2.5.4, however.
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How can I plot frequency data from the NXT sound sensor?
One
of the ports for the sound sensor data logging icon (found in
Investigator Level 5) is "flat response." To plot sound frequency range
data rather than volume data, wire in "False" to this port from the
Boolean palette. When the "Flat Response" port contains "True"
(the default), then the se...
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How do I export data from investigator to EXCEL?
1. Go to the upload data section of RoboLab2. Select File -> Export -> Page 3. Choose the data set you want to export to excel 4. Run EXCEL and within EXCEL select File -> Open 5. Select the file you exported from RoboLab6. Follow the text import wizard's instructionsses
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How do I log data in Investigator program level 4 and 5?
There are three important components to include in your program when logging data in investigator. Unless otherwise specified, data that is captured is recorded as the value of the sensor specified vs. time. The first step is to initialize the sensor. In inventor there are many diff...
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How do I log multiple data sets in Investigator 4 and 5?
Logging multiple data sets is exactly like logging individual data sets except you need to remember to initialize, start, and stop logging all of the data sets that you want to use.
Here is a very simple example where two data sets are logged at the same time:
Here is a slightly more complex exa...
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Is it possible to use other sensors with the RCX?
There are a lot of other sensors that can be used in conjunction with the RCX, all of which can be found in the sensor adaptors list. For example, here is a program that logs the pH over a time span of 10 seconds. All of these sensors are treated exactly the same as the standard RCX sensors and ar...
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Is there a way to log data at more than 100 Hz?
There is currently no way to log faster than 100 Hz in RoboLab. Data logging is currently limited by the firmware but stay tuned for a version of RoboLab that will allow you to create your own firmware.ses
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When I try to take data, my RCX shuts off!
The RCX powerdown time may be set too low.
In order for the RCX to conserve battery life, it is set to shut down automatically after 15 minutes regardless of what program is running. You can manually change that time by clicking the Administrator button in RoboLab, and then on...
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