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41 LED Flasher base d on 555 Timer Chip
Specification
Design a 6V battery powered 41 LED flasher based on a 555-timer chip with a duty cycle of 4.7secs. The LEDs are to be enclosed in a box measuring 10cm(W) by 5cm (H).
Components needed:
Component QuantityTimer 555 8 pin IC 12N3905 PNP 12N3053 NPN 1Red LEDs 20Blue LEDs 20LED 11uF Electrolytic capacitor 10.1uF disc capacitor 1150k resistor 1 4.7k resistor 1160 ohm resistor 1220 ohm resistor 1100 ohm resistors 206V source 1Wires
Circuit diagram: