This crafter/maker duo collaborated to create these glowing-eyed knit robots featured on the cover of CRAFT Volume 01. Ana knit the bots, João made the simple LED circuit. When you press the chest of the bot, the eyes light up.
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Posted by Gareth Branwyn |
Sep 30, 2008 11:00 AM
Crafts, Electronics, Robotics |
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Why the resistor?
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The battery is 3V, the LEDs cannot handle more than 2V. So to keep the LED within their maximum ratings we needed a resistor in series with the LEDs in parallel.
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