robm Billy Mays Staff member May 31, 2011 #1 This might be an exceedingly stupid question, but how can I tell if a 7 segment LED display is common anode or common cathode?
This might be an exceedingly stupid question, but how can I tell if a 7 segment LED display is common anode or common cathode?
S Snipeye Active Member Jun 19, 2011 #3 Multimeter diode test. Continuity test will only work one way.
