Emergency Light Emergency Light use 12v battery (11-Sep-2005)---204
LED Traffic Lights The LED traffic Light circuit controls 6 LEDs (red, yellow and green) for both north/south directions and east/west directions. The timing sequence is generated using a CMOS 4017 decade counter and a 555 timer. Counter outputs 1 through 4 are wire OR (26-Sep-2006)---831
