Question

How do I display numbers on a 7 segment display?

Answer 1

A 4-digit 7-segment LED display has 12 pins. 8 of the pins are for the 8 LEDs on each of the 7 segment displays, which includes A-G and DP (decimal point). The other 4 pins represent each of the 4 digits from D1-D4.Aug 8, 2017');})();(function(){window.jsl.dh('_FnqRYPSvG8P99AOx-64445','

Using a 4 Digit & 7 Segment Display, With Arduino : 7 Steps ...

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There are 7 segments used to form any digit while one controls the decimal point. The other 4 out of the 12 pins control each of the 4 digits on the display. Any pin that has a resistor on it is one of the 4 digit pins, otherwise they are the segment pins.