Go to Post oh, the prom! I thought you were missing a PROM (Programable Read Only Memory) ...you had me worried for a minute, I dont know if IFI has any spare PROMs. - KenWittlief [more]
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Unread 16-02-2003, 04:28
Lloyd Burns Lloyd Burns is offline
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FRC #1246 (Agincourt Robotics)
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Relay o/p are indeed 0V or 5V ! Connecting a relay o/p pin, either W/Y or R, to a digital input pin will indeed give you control of those LEDs.

I relied on the diagram IFI posted, showing the gate with 10k pullup to voltage.


BTW, a 2002 RC input switched the switch LED on the OI at 1V< Vin < 2V, so it is not a CMOS (4000 series or 74HCMOS) compatible input, unless IFI used 3V logic, and against that, the open circuit voltage of the pin is 5V. It could still be 74HCTxxx compatible.
 


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