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Tuesday, April 09, 2013

Guzunty Pi LED driver logical level shifter testing notes



























Now I am testing the digit enable signals logic level shifting by HC03, HC04, and HC573.  The signals shifts from about 3.3V to about 4.3V, as expected.

Now I am hoping that the HC573 outputs can drive the 7-segment LEDs through their common anode pin.

.END

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