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scholesy said:Someone might be able to do something whizzy to create an LED-analogue hybrid. Maybe a semi-circle of small green 1.8mm LEDs at 200rpm intervals, with orange 1.8mm LEDs at the 1000's of revs. Red for the red-line of course.
You might be able to use a LM3914 or LM3915 (not sure if rev count is linear or log?). One of these packages should cover a 2000rpm range, so four would be enough. Of course, you need a few LEDs
I'm a near-novice, so have no idea how you would start drawing a circuit for this..... if anyone does have one; please let me know!
kind regards
surfr said:Hope this helps!
Manos
marianol said:surfr said:Hope this helps!
Manos
Do you happen to have the schematic of the Analog/Digital tach? or at least where and how to conect the leds for the bar-graph display.
Thanks,
MarianoL