lso answers the question embedded in the code for why there is a need for a delay.delay(1); // do not understand why I Have to set a delay digitalWrite(groundPins[g], HIGH);also, if using the red 7-segment display, which is rated 2.1V and 20ma a 330 or 220 Ohm resistors are better.if using a code that lights all the segments in a number at the same time - then the comments are accurate and segmen