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Analog Tachometer Readout

2017-08-18 12:06  
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The analog display consists of a frequency/voltage converter (IC12) and bar-graph segment drivers IC10 and IC11.
Analog Tachometer Readout

R34 is the calibration adjustment and is set so that an engine rpm of 5 000 to 7000 rpm lights the first LED (redline value).

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