Sim Racing speed indicator for tachometer
thingiverse
This is a replacement ring for after Market Tachometer the ring is 80mm and a can be stretched a little if needed, An m3 screw keep it tight. https://www.youtube.com/watch?v=onpWyamUP2s The display is TM1637, 4x 7segments 0.56" http://www.dx.com/fr/p/4-digit-display-d4056a-0-56-led-brightness-adjustable-w-decimal-point-blue-black-317103#.WSHiemjyhjE Both screen and tach are driven by an arduino (nano but uno or mega will work fine too) using SimHub (http://www.racedepartment.com/downloads/simhub-diy-sim-racing-dash.10252/= Ideal for sim racing ;)
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