it's a simple toy for kids with moving leds. in this 555 timer, 4 bit counter and 3 to 8 decoder is used to generate moving led patterns
Toy magic wand
Updated: Jan 1, 2021
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Updated: Jan 1, 2021
it's a simple toy for kids with moving leds. in this 555 timer, 4 bit counter and 3 to 8 decoder is used to generate moving led patterns
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