Centre colon on TM1637 4-digit 7-segment LED display?

Other Hardware LEDs and Multiplexing
7

What is this magic number?

    segto = 0x80 | display4.encodeDigit((value / 100)%10); display4.setSegments(&segto, 1, 1);

You should never put multiple statements on one line. It hides code.

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