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Knightrider lights for model cars

2017-01-17 05:38  
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Knightrider lights for model cars
This simple circuit drives 6 LEDs in 'Knightrider scanner mode'. Power consumption depends mainly on the type of LEDs used if you use a 7555 (555 CMOS version). Note that VDD and GND for the ICs are not shown in the circuit drawing.Pin-outs:(7)555 1 GND 2 TRIGGER 3 OUTPUT 4 RESET 5 CONTROL VOLTAGE 6 THRESHOLD 7 DISCHARGE 8 VDD 40171 Q5 2 Q1 3 Q0 4 Q2 5 Q6 6 Q7 7 Q3 8 GND 9 Q810 Q411 Q912 CO13 NOT ENABLE14 CLK15 RESET16 VDD