Notification Date: December 2, 2011
Effective Date: Immediately
Product Name: RoboVero Expansion board
Product Number: PKG30019 and BRD30019
Product Revision Number: R3277
First known Issue:
1) Gyroscope: Incorrect filter capacitor (C47) value for gyroscope power input circuit causes gyro readings to be noisy and imprecise.
Resolution:
1) Replace C47 with a 0.47uF 0402 capacitor, if gyroscope is needed.
2) Contact Gumstix for warranty coverage to obtain a Robovero R3517 via email to This e-mail address is being protected from spambots. You need JavaScript enabled to view it . This issue has been resolved in RoboVero 3517
Second Know Issue:
2) U6: When powering a Robovero R3277 by AC power adapter, some boards experience high current draw and U6 gets noticeably hot.
Resolution:
1) Power RoboVero with 5.5V - 17V supply using the battery terminals
or
2) Plug the power adapter's DC output into the RoboVero before applying AC power.
2) Plug the power adapter's DC output into the RoboVero before applying AC power.
or
3) Contact Gumstix for warranty coverage to obtain a Robovero R3517 via email to
This e-mail address is being protected from spambots. You need JavaScript enabled to view it
. This issue has been resolved in RoboVero 3517
