Mad Quickies

MAD Quickies 11.2

MAKE’s Collin Cunningham gives us a quick lesson on using infrared LEDs and phototransistors to send and receive wireless signals. Prepare to geek out.

Circuit Skills: Infrared Light

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Donna

Geologic Universe, vault-keeper. Sheer Brick Studio, principal. Empty Set, designer. Bethlehem Mounties, media. WDIY 88.1FM NPR station programmer. Skepchick.

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