Knightrider lights for model cars

This simple circuit drives 6 LEDs in 'Knightrider scanner mode'. Power consumption depends mainly height=334 src="/data/attachment/portal/201007/ET32530201007222331501.jpg" width=622 border=0>

Note that VDDand GND for the ICs are not shown in the circuit drawing.

Pin-outs:(7)55540171GND1Q59Q82TRIGGER2Q110Q43OUTPUT3Q011Q94RESET4Q212CO5CONTROL VOLTAGE5Q613NOT ENABLE6THRESHOLD6Q714CLK7DISCHARGE7Q315RESET8VDD8GND16VDD