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).
Here's the circuit:
Note that VDD and GND for the ICs are not shown in the circuit drawing.
Pin-outs: (7)555 4017 1 GND 1 Q5 9 Q8 2 TRIGGER 2 Q1 10 Q4 3 OUTPUT 3 Q0 11 Q9 4 RESET 4 Q2 12 CO 5 CONTROL VOLTAGE 5 Q6 13 NOT ENABLE 6 THRESHOLD 6 Q7 14 CLK 7 DISCHARGE 7 Q3 15 RESET 8 VDD 8 GND 16 VDD
by Oscar den Uijl, odu@xs4all.nl
Title: Knightrider lights for model cars
Source: www.xs4all.nl/~odu/
Published on: 2005-02-03
Reads: 718
Print version: 
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