i dont have the schematic for the original circuit im working with, im trying to adapt to it, but its a very simple one, posted is what the main part of the circuit is.
I labeled the pinouts of the 7 segment display, how the circuit is setup:
The MC68HC is outputing a lo signal throught a 470 resistor straight to the led segment to illuminate it. Since its common anode there is constant 5+ at p1 and p6.
When i measure the voltage at all the pins on the segment im reading +5 even though all the segments are not lit.
How do i setup an additional circuit to read the "lo" coming from the MC68HC is what im trying to figure out, or will a normal logic gate be able to determine what ones are lo and hi?
Thanks!