HI, i am using the dashboard out of a jcb loader (pic attatched) for a project i am doing, i want to use the speedo on the display. the data sheet tells me there is a pin for 12v, ground and a signal rail for the speedo. the data sheet tells me that the gauge runs of Hz through the signal rail. i wa…

dash board speedo, arduino uno

pylon February 7, 2014, 7:27pm 2

Have you tried just supplying the signal that comes from the reed contact?

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