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#1
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I imagine there are some of you out there who will be interested in this information. We have determined how to build a dongle that plugs into the competition port and allows you to enable/disable autonomous mode.
![]() The circuit above will give you a switch that has 3 positions: Robot Disabled, Normal, and Autonomous mode. Disclaimer: you probably shouldn't build this. It could void the warranty on your control system. If you don't do it right it probably will ruin your OI. Please don't try it if you don't know exactly what you're doing. Last edited by Dave Flowerday : 07-01-2003 at 11:25. |
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#2
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Re: How to build an Autonomous Mode dongle
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#3
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Re: Re: How to build an Autonomous Mode dongle
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#4
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!!!!! W A R N I N G !!!!! When I made a remote dongle for a competition clock, I asked IFI if i t would be correct to connect the port in a similar fashion, and was warned not to use 12 as ground, as it was to be reserved for some future use. IFI said the 2002 manual had not been updated before publishing, in this content area. I posted this last year, too. |
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#5
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Does anyone know of an alternate ground pin? Also, can you use this dongle to change channels, too?
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Re: Pin 12 ground - NOT GOOD !
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#9
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FYI, Innovation First has now posted an official schematic for a Dongle which supports channel select, disable switching, and autonomous switching...here's the PDF...
http://www.innovationfirst.com/FIRST...nout_Guide.PDF |
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#10
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If pin 8 is ground why does IFI connect that pin to an external ground in their diagram?
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#11
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I figure that if that schematic is wrong...then innovation first will have to take some kind of responsibility for everyone zapping their operator interface.
We finaly got ours finished tonight but we haven't tried it out yet. |
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#12
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Re: Re: Pin 12 ground - NOT GOOD !
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I've had a match timer that disables controllers and allows channel selection since last year, and pin 8 is the sole ground used. |
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Re: Re: Re: Pin 12 ground - NOT GOOD !
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#14
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I plan to build a big red E-spot button into my "dongle" Just incase something goes awry
during testing of our robot. |
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#15
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We built a dongle using your design this weekend, and it's working perfectly. Just make sure you know which part of your switch is the common. It took us a while to figure that out, and re-soldering connections is not fun.
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