Robotics Club

07/30/2010

11:00 am Colony Scout EE Revision b27f70a59801a6a362ad7f8affc531a2061f56d5: Floorplan for the new stepper controller

Kevin Woo

12:55 am Colony Scout EE Revision 266d88f8bc2cda44105774935ab5f7a033ece747: Replaced stepper controller with one that will...

Kevin Woo

07/29/2010

07:41 pm Colony Task #353 (Feedback): Make Doxygen Tutorial/Presentation

Kevin Woo

07:19 pm Colony Scout Task #1086 (Invalid): Design debug board

No longer needed. The gumstix can handle debugging on its own. We can also use FTDI breakout board for the debug now. Kevin Woo

07:18 pm Colony Scout Task #1018 (Fixed): Test motor backdrive

Initial tests show spikes of upto 7-10V which is within the maximum range of the voltage regulators to handle. We sup... Kevin Woo

07:17 pm Colony Scout Bug #990 (Invalid): TVS diode on motors

Motor drivers include these diodes already. Furthermore, the backdrive that we were experiencing differs now because ... Kevin Woo

07:15 pm Colony Scout Bug #1088 (Invalid): Switch motor power from VCC to VBatt

It has been decided to do this check in software for more versatility should the programmers want to run off the char... Kevin Woo

07:15 pm Colony Scout Task #1328 (Wontfix): Remove extraneous features from Scout

Changed to gumstix and removed all extraneous hardware Kevin Woo

07:14 pm Colony Scout Enhancement #1016 (Wontfix): ESD Protection

Lack of room / budget /time. Pins however are more protected anyway since they are either on the FFC which is enclose... Kevin Woo

07:13 pm Colony Scout Task #1328: Remove extraneous features from Scout

Changed to Gumstix and eliminated tons of hardware. Much simpler board now. Kevin Woo

07:13 pm Colony Scout Task #1341 (Fixed): Level shifter for motor control/pwm signals

Almost everything goes through a level shifter now Kevin Woo

07:12 pm Colony Scout Enhancement #1017 (Wontfix): Separate grounds

Our analog sections aren't so sensitive to warrant the extra work for this Kevin Woo

07/28/2010

12:21 am Colony Scout EE Revision 305fe76ce7729833dc6f334683eccc0de5c10fb6: AVR and BOM layout completed.

Kevin Woo

07/26/2010

12:09 pm Colony Scout EE Revision d326a8bd1f50580b7e63817ba64725fd2ff2d08e: Gumstix layout mostly complete, AVR layout sta...

Kevin Woo

07/23/2010

09:32 pm Colony Scout EE Revision fe1fe4941e1916c938a552e72b561e45f0a18fae: Removed USB power since it would not work, sim...

Kevin Woo

07/22/2010

06:07 pm Colony Scout EE Revision 75ded4fb9b2de3fa356c4a4d6a0b07a657267420: Removed extraneous pullups from stepper contro...

Kevin Woo

05:59 pm Colony Scout EE Revision 7e65c00d6ca72dde0323b2a176df945630f82dd0: Fixed some pull up/down bugs

Kevin Woo

12:09 am Colony Scout EE Revision cffb011680437ee1eb39fbe7e2b5e375f5128f61: Started layout on scoutfly, updated schematic ...

Kevin Woo