28230 Parallax Inc, 28230 Datasheet - Page 9

• Manufacturer Part Number: 28230
• Description: MCU, MPU & DSP Development Tools Propeller Dev Board (MSR1)
• Manufacturer: Parallax Inc

Specifications of 28230

• Processor To Be Evaluated: P8X32A-Q44
• Interface Type: USB
• Dimensions: 77.5 cm x 102.9 cm x 13.4 cm
• Maximum Operating Temperature: + 70 C
• Operating Supply Voltage: 6.5 to 15 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Troubleshooting the Motors
If the motors do not respond as expected then the following troubleshooting steps should help you correct
most issues. If none of these troubleshooting steps solves your issue or if your issue is not listed you may
contact our Tech Support using the resources listed at the bottom of this page.
Symptom: The motors do not move at all, but the program downloads successfully.
Check: The power switch may be in the POWER ON/MOTORS OFF position instead of POWER ON/MOTORS
ON.
Symptom: The motor rotates in reverse for two seconds, stops for two seconds then rotates forward for
two seconds.
Check: The motor leads may be reversed on the motor. Remove the top plate from the chassis and swap
the wires on the motor terminals for the side that was affected.
Symptom: The motor starts to turn forward then stops, then starts to turn forward again.
Check: The batteries may be running low. Try a fresh set of batteries.
Additional Resources
Resources for the Propeller Robot Control Board such as example code are posted to the product page on
our website. Go to our website at
box and click the Go button. The example code will be in a ZIP file located under the heading Downloads
and Resources. Save the contents of the ZIP file to a known folder for use in later activities in the book.
Useful Websites
In addition to the resources available on the product page you can get additional resources such as useful
objects for sensors from the following links:
Tech Support Resources
Parallax Inc. offers several options for obtaining technical support for your product:
Copyright © Parallax Inc.
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Propeller Home Page: http://www.parallax.com/propeller
Object Exchange: http://obex.parallax.com
Support/Discussion Forums: http://forums.parallax.com → Propeller Chip
Email:
Fax: [phone]
Phone: [phone] or toll-free in the U.S. at (888) 99-STAMP.
Monday through Friday from 7:00 AM to 5:00 PM Pacific time or you can leave a message and a tech
support representative will return your call as soon as possible.
Forums: http://forums.parallax.com. Our support forums are available 24 hours a day, 7 days a
week and are frequented by both Parallax customers and employees.
answers to questions by searching previous posts or posting your question to the Propeller chip
forum.
[e-mail]
Propeller Robot Control Board (#28230)
www.parallax.com
and type the product number (28230) into the search
v1.0 11/3/2009 Page 9 of 9
Phone support is available
You can often find fast