Introduction - If you have any usage issues, please Google them yourself
The IO procedure- traffic light demonstration program, uses
the severance actuation pattern. (1) North and south street
intersection green light, at the same time thing street intersection
red candle bright 30 seconds. (2) north and south street intersection
yellow light glitters 3 times, simultaneously the thing street
intersection red candle continues brightly. (3) north and south street
intersection red candle, at the same time thing street intersection
green light bright 30 seconds. (4) north and south street intersection
red candle continues brightly. Simultaneously the thing street
intersection yellow light glitters 3 time. (5) revolution of (1)
redundant note: The yellow light each time glitters the bright 0.5
second, extinguishes for 0.5 second.