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Reflective Infrared IR Optical Sensor with 470 and 10K Resistors Guides

Reflective Infrared IR Optical Sensor with 470 and 10K Resistors

A digital display shows the number 1251 on a device with a blue casing. Below it, a red and yellow emergency stop button is mounted.

Pro Trinket Tachometer

By Bill Earl

intermediate

A 5.25-inch floppy disk labeled "Megaplay Volume I" with a red and blue design. The disk is partially inserted into a Scotch-branded paper sleeve.

Flippy Floppy Drive Modification

By Jeff Epler

intermediate

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