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Lab 3 - Sensors: Analog input and LEDs

Date: 
Thu, 09/13/2007

Digitize potentiometer input and use pulse width modulation of LEDs as output, variable resistors as sensors.

Instructions:

Complete the following tasks:

  1. Make the circuit with 3 LEDs (RGB). Make the RGB LED Fade from one of the codes
  2. Take 6 wires (2 red, 2 yellow, and 2 black) and strip off about ¼” of insulation at both ends of each wire
  3. Solder the 3 wires (red, yellow, and black) to the pot. Total of two pots.
  4. Make one LED to dim and blink at different rate
  5. Use multiple pots to control your LEDs
    Option 1: One pot controls brightness, another pot controls blinking
    Option 2: 3 Pots for 3 LEDs (each pot controls brightness of RGB Hue / colors

Homework:

Come up with an interesting mapping between the rotational position pot and LED output

Useful Readings in Physical Computing:

Analog input: p. 102-104
Soldering: p. 41-42


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