Thread: VEX UltraSonic rangefinder
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Unread 20-01-2009, 13:25
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Re: Vex UltraSonic rangefinder
haven't worked with those in awhile, but both red and black are +5V and GND.

now the yellow/orange are input and output. Not sure which, so you will have to look on the red plastic case you took off. One is a signal in, and one is a signal out.