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#31
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Sent from my LG-D851 using Tapatalk |
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#32
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Re: [FRC Blog] FIRST Choice 2017
What would you think is a better choice to go with the NavX micro (http://firstchoicebyandymark.com/fc17-074) or the ADIS option (http://firstchoicebyandymark.com/fc17-007). Thank You!
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#33
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Re: [FRC Blog] FIRST Choice 2017
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#34
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Re: [FRC Blog] FIRST Choice 2017
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A few features the navX-Micro has you might consider useful are it's dual simultaneous interfaces (I2C and USB), which allow you to: - Connect I2C to RoboRIO, and USB to your vision processor (to share the high-resolution timestamp and IMU data w/both processors simultaneously), and - Connect USB to RoboRIO and mount the navX-Micro USB anywhere on the robot (USB supports up to a 6 meter range). One other distinction is that navX-Micro has a dual power supply (5V on the I2C pins, and 5V on the USB interface), whereas the ADIS16448 MXP board (based upon the published schematic) does not. If a MXP board doesn't provide a secondary power supply, it's only power supply (from the RoboRIO) is subject to brownout whenever the RoboRIO voltage drops below 6.3V (even for an instant). So during that time no data is available, and since the ADIS16448 MXP Board runs the sensor fusion algorithms on the RoboRIO, these algorithms will be missing data for some period of time. For normal matches where you change out a battery before each match this is almost surely not an issue, esp. if you use the sensor only for autonomous (at the beginning of the match). But it could be an issue if you use the sensor for teleop and esp. during longer practice matches. |
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#35
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Re: [FRC Blog] FIRST Choice 2017
Has the algorithm finished running? I see that some things are marked as out of stock, but not as much as I thought. The same things were marked last night when I checked.
Just wondering when we will know what's left for regular ordering on Monday. |
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#36
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Re: [FRC Blog] FIRST Choice 2017
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#37
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Re: [FRC Blog] FIRST Choice 2017
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#39
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Re: [FRC Blog] FIRST Choice 2017
I like how the quantities of some items actually increased, e.g., Mounting bracket (fc17-142) (started @ 1000).
Is there a trade-in program I overlooked? :-) |
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#40
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Re: [FRC Blog] FIRST Choice 2017
Looking at the priority list, it's incredible the amount of items out sold out for 2017. One that jumps out at me are the talon's. I'm glad we stocked up on them earlier in the summer.
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#41
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Re: [FRC Blog] FIRST Choice 2017
I would say that talons were understandable. What I'm surprised about is that the core control system components haven't been marked sold out yet.
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#42
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Re: [FRC Blog] FIRST Choice 2017
Apparently, the PDP and VRM both started out at 1,000 ct. and are down to 256 and 241. In comparison, the talons started out at 2500 and are sold out. I'm confused by it as well.
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#43
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Re: [FRC Blog] FIRST Choice 2017
It's not that confusing. Let's say there were 700 teams that wanted all of the control system stuff. They all out the PDP's and VRM's on there at 1 each. They also put talons on their list at 4 each. 700x4 is more than 2500!. Due to the increased limit per team, they were bound to sell out.
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#44
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Re: [FRC Blog] FIRST Choice 2017
Sounds like we've got a good amount of thin 1/2" shaft collars coming to us, in all sorts of colors!
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#45
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Re: [FRC Blog] FIRST Choice 2017
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