Ultrabright IR LED FLASHER

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02:12:34

Sometimes, you just need a simple marker flasher to let you locate an item in the dark. Or maybe you need to mark a path or trail, without the worry that the flasher battery will go flat at the worst possible time.
This flasher pulses a superbright LED and runs from a 3V to 12V battery. It uses almost no current and will run from a single PP3 9V “transistor radio” battery for years.

published 2 months ago

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