The LilyPad Arduino consists of an ATmega328 with the Arduino bootloader and a minimum number of external components to keep it as small (and as simple) as possible. This board will run from 2V to 5V and offers large pin-out holes that make it easy to sew and connect. Each of these pins, with the exception of (+) and (-), can control an attached input or output device (like a light, motor, or switch).
LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!
The LilyPad Arduino is a microcontroller board designed for e-textiles and wearable projects. Developed by Leah Buechley and SparkFun Electronics, it’s built on the Arduino platform but with a circular, flat design and large sew tabs instead of pins, allowing conductive thread to connect components.
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Key Features:
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ATmega328P microcontroller (in most models)
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Sewable pads for power, I/O, and sensors
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Operates at 5V or 3.3V depending on version
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Supports various sewable modules (LEDs, sensors, buzzers)
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Can be powered by coin cell, LiPo battery, or USB
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Use Cases:
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Light-up clothing
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Wearable motion trackers
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Interactive costumes and accessories
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It programs just like any Arduino — via Arduino IDE — but is built to be washable (if powered off and dried properly).
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