Open Softwear-Fashionable prototyping and wearable computing by Tony Olsson, David Gaetano, Jonas Odhner, Samson Wiklund

By Tony Olsson, David Gaetano, Jonas Odhner, Samson Wiklund

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Extra info for Open Softwear-Fashionable prototyping and wearable computing using the Arduino

Sample text

The normal servos can only rotate from 0 degrees to 180 degrees. The continuous rotation servos keep on rotating when pulse with power. The most common continuous rotation servos from Parallax rotate in one direction when pulsed with power with a delay above 1500 microseconds and the other way when pulse with a delay below 1500 microseconds. Depending on your project you will have to use your imagination to hide a servo motor. In the following example we will only show how to control servo motors since there are no general ways of implementing servos in fabrics.

From the other side of the pushbutton to the other piece of conductive fabric we will sew a connection to a long line of thread and at the end of this thread we will connect a black wire. This will act as a ground connection for all the buttons since there is not enough GND ports on the Arduino for all the buttons.

As you may have noticed the LED was set to maximum on (5V reduced to with a resistor) to a complete off (0V). As I mentioned before the digital pins have only two modes, HIGH and LOW. But the pigital pins 3, 5, 6, 9, 10 and 11 has a special function called PWM. With the PWM mode we can transformer to 5V output into a range of 255 possible levels. To learn more about the PWM function turn to page ?. In the following example we are going to test how we fade a led up and down: Note: To make the code more viewable we use tabs to clarify the code trees.

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