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The roller switch is a handy Bit -- it has a little lever with a wheel
and sends an ON signal when it gets over a certain level
or it can control oscillators to make them play random pitches
The higher the temperature it senses
littleBits o13 fan testxyz The roller switch is aThe fan Bit is a small electric fan tethered to a Bit. Use the fan to create a gentle breeze, perfect for cooling things off or blowing bubbles. You can also try taping small things (like stickers or pieces of paper) to the center of the fan for some spinning visuals.
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