const int redPins[] = {10, 11, 12, 13}; // Digital output pins for red LEDs const int yellowPins[] = {4, 5, 6, 7}; // Digital output pins for yellow LEDs const int ...
Peter Hermann has covered D.C. police and fire since the summer of 2012 for The Washington Post. He previously worked for the Baltimore Sun for 22 years, covering a Baltimore suburb and then the ...
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