We’re used to seeing all manner of seven-segment displays ... Posted in Misc Hacks Tagged 7 segment, 74hc165, arduino, AS3144 ... Join Us! →. One thought on “ The Seven-Segment Display That ...

To turn on a segment, he connects a segment to a GPIO pin set high while sending 3.5 volts out of the DAC output into the display’s common connection. The difference between the two pins is 1.5 ...