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556 Time Provides Clock Input to 2 Decade Counters Which Will Drive 20 LEDS

Using Dot Matrix 8x8 to Count 60-1 and 1-10

Dot Matrix ;8x8 With Message or Images

Using 556 Timer to Drive a Stepper Motor

Using LCD With a Piezo Speaker (Christmas Theme)

Using RGB LEDs to Create Color Sequences

H Bridge (293D) With 2 Hobby Motors and a Remote

Using 2 Shift Registers(74HC595) to Drive 16 LEDs

Using LEDS and AT Tiny to Create a Blinking Star With Piezo Playing " Twinkle, Twinkle, Little Star"

Using a H Bridge(293D) to Drive 2 Geared Hobby Motors Ans Arduino;circuit Overview