Activity
From 01/19/2010 to 02/17/2010
02/11/2010
02/10/2010
- 04:17 PM Task #1097 (Fixed): Email Steve about bootstrapping ARM
- Steve doesn't know anything about it. He referred me to someone at iRobot but I never met him so that might not be a ...
- 10:16 PM Task #1097: Email Steve about bootstrapping ARM
- Emailed Steve, awaiting reply
- 08:19 PM Task #1097 (Fixed): Email Steve about bootstrapping ARM
- 04:16 PM Task #1102 (Fixed): Make JST 2,3,4 pin connector footprints
- Added all 3 of them. Pushed to the latest copy of the library.
- 03:22 PM Task #1102 (Fixed): Make JST 2,3,4 pin connector footprints
- ZH type
- 03:21 PM Task #1100 (Fixed): Spec 2, 3 and 4 pin JST ZH connectors
- Added to the electrical BOM. Quantities still TBD. Need to make the footprints
- 09:56 PM Task #1100 (Fixed): Spec 2, 3 and 4 pin JST ZH connectors
- Straight up ones, smt and the housings
- 09:59 PM Bug #1101 (Fixed): Add JST connectors to the bottom side for the front sensors
- 2 x 4 pin (5V, GND, encoder+, encoder-)
1 x 3 pin (5V, gnd, cliff sensor signal)
2 x 2 pin (gnd, button) - 09:54 PM Bug #1099 (Fixed): Remove Extra FFC
- * only 2 adc
* remove 1 edge detector
* more 4 motor encoder lines
* 2 external buttons
* Move down to a single... - 09:50 PM Bug #1093: Stepper controller should be powered by VCC
- 4.7uF for bulk, .1uF otherwise
- 09:16 PM Bug #1095: ColonyScout Mail Server
- Using Google Apps, much easier to setup / administrator. Dan Shope will set it up and hand out email addresses.
- 07:10 PM Bug #1095 (Fixed): ColonyScout Mail Server
- Need @colonyscout.com email address :)
- 08:20 PM Task #1098 (Wontfix): ask aaron and cornell about arm stuff
- 07:49 PM Bug #1096 (Fixed): Orb Reflectors
- Design reflectors for orbs & hood
02/09/2010
- 06:52 PM Task #1085 (Fixed): Get the BreakFly Dimensions and positioning
- See [[ECEBreakoutBoard]] for updated dimensions and positioning
- 06:49 PM Bug #1094 (Fixed): Encoder/Cliff Wiring
- Only 2 encoders and 2 cliff sensors pairs should be routed through the FFC.
The remaining 2 encoder pairs and 1 cl... - 05:55 PM Bug #1093 (Fixed): Stepper controller should be powered by VCC
- The VBB pins should be connected to VCC on the stepper controller. Also they should be have a decoupling capacitor on...
02/07/2010
- 02:16 PM Bug #1088 (Invalid): Switch motor power from VCC to VBatt
- We only want the motors to work if the battery is plugged in.
- 09:17 PM Task #1087 (Fixed): Design Breakfly
- FFC/cgrid <-> some form of small connector.
- 09:16 PM Task #1086 (Invalid): Design debug board
- * Dual usb (1 debug uart, 1 for avr)
* some form of tiny with a uart and an spi - 09:15 PM Task #1046 (Fixed): Update BOM
- 09:06 PM Task #1085 (Fixed): Get the BreakFly Dimensions and positioning
- Need the rectangular size of the board as well as how to line up the FFC connector.
- 09:05 PM Task #970 (Fixed): Find all resistors we need
- They're on the other BOM if needed
- 09:04 PM Bug #1044 (Fixed): Choose a new rtc backup battery
- We're going with the CR1220. Added to both BOMs
02/06/2010
- 03:56 PM Task #1059 (Fixed): Content for Website
- 02:34 AM Task #970: Find all resistors we need
- Need to add these to the wiki BOM at some point. They are in the actual BOM. Lots of them are missing.
http://sear... - 11:22 PM Task #1046: Update BOM
- Wiki BOM has been updated. Moving with quantities and prices to the google doc: http://spreadsheets.google.com/ccc?ke...
- 11:21 PM Bug #1032 (Fixed): Part Change
- 11:17 PM Bug #1032: Part Change
- Sticking with the bga SDRAM
- 11:16 PM Task #1037 (Fixed): Put 50MHz oscillator on the ethernet phy chip
- 11:11 PM Task #1045 (Fixed): Add a USB A port to the board on the host controller
01/29/2010
- 11:11 AM Task #1047 (Fixed): Team Member Bios
01/28/2010
- 02:26 PM Task #1059 (Fixed): Content for Website
- Need to provide content for the software/OS portion of www.colonyscout.com
01/27/2010
- 11:37 PM Bug #1032: Part Change
- http://mouser.com/ProductDetail/Atmel/AT45DB161D-SU/?qs=sGAEpiMZZMuJXIph4YZFJU7D9eQuNJm0pgTssCTreYg%3d
16Mbit flas... - 11:28 PM Task #1036 (Invalid): Doublecheck SDRAM footprint
- Went back to the BGA part because there was an error in that footprint
01/25/2010
- 12:21 AM Task #1047 (Fixed): Team Member Bios
- Make a sample bio for team members to list on www.colonyscout.com
Should describe (in 3rd person) a brief bio of eac...
01/23/2010
01/22/2010
- 06:42 PM Task #1046 (Fixed): Update BOM
- Lots of parts have changed.
- 05:26 PM Task #1045: Add a USB A port to the board on the host controller
- http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=AE10332-ND
- 05:22 PM Task #1045 (Fixed): Add a USB A port to the board on the host controller
- 05:20 PM Bug #1035 (Fixed): Redo decoupling caps on ARM
- 02:38 AM Bug #1035 (Fixed): Redo decoupling caps on ARM
- 05:07 PM Bug #1044: Choose a new rtc backup battery
- Using 2 diode drops. Schottky and standard diode -> .3 + .7 in the worst case leads to 2V which is a little dangerous...
- 04:30 PM Bug #1044: Choose a new rtc backup battery
- Wikipedia says that the typical capacity is 25mAh with our current draw of 5uA. This leads to about 208 days of runni...
- 04:18 PM Bug #1044: Choose a new rtc backup battery
- http://www.allspectrum.com/store/product_info.php?cPath=76_156&products_id=576&osCsid=f6ab02f15e80a8597fbd2cce9064f1f...
- 03:27 PM Bug #1044 (Fixed): Choose a new rtc backup battery
- We need to run on 1.8V
- 03:13 PM Task #1037: Put 50MHz oscillator on the ethernet phy chip
- Using this chip: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=478-4792-1-ND
- 12:18 PM Task #1037: Put 50MHz oscillator on the ethernet phy chip
- The datasheet is wrong, its actually a 50MHz chip as they say everywhere else. Confired with the application note
- 03:06 AM Task #1037 (Fixed): Put 50MHz oscillator on the ethernet phy chip
- -http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=XC1433TR-ND-
- 03:34 AM Bug #1039 (Fixed): Tie oscsel to the RTC Battery
- 03:07 AM Task #1038 (Fixed): Modify Power supply
- * The ARM needs the voltages to be sequenced.
* Eliminated the 1.2V domain
- 02:39 AM Task #1036 (Invalid): Doublecheck SDRAM footprint
- The eagle part is mislabelled, just double check to make sure that using the "wrong" part is correct.
- 02:37 AM Bug #1032: Part Change
- All above parts won't work, the pitch is too small. New parts:
ARM AT91SAM http://search.digikey.com/scripts/DkSea... - 02:35 AM Task #1033 (Fixed): Email OneStopAssembly
- Assuming that they're actually advanced circuits, they can't do the small holes we needed.
01/21/2010
- 12:27 AM Bug #1032: Part Change
- not using the ARM, awaiting results to decide what ARM to use. Flash may change. SDRAM should remain constant.
- 08:14 PM Bug #1032 (Fixed): Part Change
- -New ARM: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=568-4529-ND-
-New SDRAM: http://search.di... - 12:26 AM Task #1030 (Fixed): GoldPhoenix Quote
- about $40 / board for 4
- 12:26 AM Task #1033: Email OneStopAssembly
- sent, awaiting reply
- 11:38 PM Task #1033 (Fixed): Email OneStopAssembly
- Got a quote online, but only showed assembly cost
Email sales and ask for fab cost
http://onestopassembly.com/how...
01/20/2010
- 05:14 PM Task #976 (Fixed): Scoutfly Connectors
- 05:13 PM Task #1030 (Fixed): GoldPhoenix Quote
- Get a quote for the board with specs using the NXP ARM9
01/19/2010
- 02:31 PM Task #1023 (Fixed): Double check ARM Analog VDD supply voltage
- Should be tied to 3.3V
- 02:28 PM Bug #1022 (Fixed): Replace hex schmitt triggers with duals
- 02:16 PM Bug #1021 (Fixed): I2C Level shifter on the AVR I2C lines
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