512 Color LED Flasher (random)

by simpletronic in Circuits > LEDs

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512 Color LED Flasher (random)

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This LED flasher displays 512 colors without the use of a microcontroller. A 9-bit binary counter generates a pseudo-random number and 3 D/A (digital to analog) converters drive the red, green and blue LED's.

Watch the Video

512 color LED flasher (random)

Schematic

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CD 4001 B (cmos Quad NOR Gate)

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1 Hz Multivibrator

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2 MHz Gated Multivibrator

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CD 4020 B Binary Counter

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3 D/A (digital>analog) Converters

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RGB Led (common Cathode)

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BC 337 (led Enable/disable)

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Components List

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IC's Pinouts

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Images

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Watch the Video. Thank You !

512 color LED flasher (random)