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HOLOWEEN RED WHITE & BLUE on One AA Answered

Here is another blinking LED running from a single 1.5 AA battery.

While the white and blue LEDs need over 3 volts.

The white blinks in the transition moments between red to blue and to red !

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caitlinsdad

4 years ago

This is a "joule thief blinky throwie"? You should put it up as an ible.