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Creative Science Centre: Two Low Power Led Flashers

Curated by ACT

Explains the design of two circuits that can flash an LED from a single 1.5V battery. A typical LED needs 2-3V to work properly and both these circuits include a voltage doubler to boost the voltage to drive the LED. Both circuits will operate continuously for several months on an alkaline AA battery.

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Concepts
circuits
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Additional Tags
circuit design, led, led circuit, led flasher, led project, flashing led, electrical circuits
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
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