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Intro to Physical Computing ⁄ week2 ⁄ Lab

Lab: Electronics

1

LED receiving 5v.

LED receiving 5v when button (momentary switch) pressed.

2 LEDs in series, each receiving about 2.5v when momentary switch pressed. They are just barely bright enough to see lit. With 3 LEDs, their voltage is too low (needs to be at least ~2v) to see.

3 LEDs in parallel. They each receive 5v of electricity.

Generating a variable voltage with a potentiometer.


Lab: Switches — FX Pedal

A switch made from an FX pedal and and sleeve to go around the user’s foot. When the user presses the pedal with their foot, the sleeve’s conductive surface completes the circuit inside the pedal, causing the BUTT light to illuminate. This is not necessarily an improvement to the original FX pedal button switch for the context that these pedals are usually used, but it at least illustrates possible interactions for other purposes in which a foot wearable could be useful.

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