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LilyPad Arduino USB: Wearable AVR ATmega32U4 Main Board, 3.3V US$24.95

LilyPad Arduino USB: Wearable AVR ATmega32U4 Main Board, 3.3V

This LilyPad Arduino USB is a variation of the LilyPad Main Board for wearable electronics. It has fewer available pins, but it has several advantages: It doesn't require any external hardware to program it (only a micro-USB cable); it has a JST connector for attaching a LiPo battery (which can be recharged via USB without needing to be unplugged); and it has a power switch so you can save power until your eTextile garment is ready to show off.

Not only that, but the LilyPad Arduino USB is officially supported in Arduino IDE version 1.0.2 and above.

The JST connector allows you to power the board from any of these Polymer-Lithium Batteries no soldering or external battery connector board required. The board uses an ATmega32U4 processor with built-in USB-to-serial interface, which allows you to program the LilyPad from your PC with nothing more than a micro-USB cable. Even better, you can recharge your battery through the USB without having to disconnect it from the LilyPad board (just be keep an eye on it to avoid risk of fire with your fabric).

LilyPad is a wearable e-textile technology developed by Leah Buechley. Each LilyPad is designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. Most are even washable just remember to remove the battery during washing. See the LilyPad category for a list of add-on modules you can sew to this board using conductive thread.

LilyPad Arduino USB Main Board Features

  • ATmega32U4 microcontroller with 32KB Flash memory (of which 4KB is used by bootloader), 2.5KB SRAM, 1KB EEPROM
  • Clock Speed: 8 MHz
  • Operating Voltage: 3.3V
  • Input Voltage: 3.8V to 5V
  • Nine digital I/O pins
  • Four PWM channels
  • Four analog input channels
  • DC Current per I/O: 40 mA
  • Outer Diameter: 50mm
  • PCB Thickness: 0.8mm

LilyPad Arduino USB Main Board Resources

Optional Recommended Products for this Item
Conductive Thread, 30 ft, Stainless Steel Fiber+ US$4.95
Conductive Thread, 360 yds (60g), Stainless Steel Fiber+ US$39.95
Polymer Lithium Ion Battery, 850mAh, JST Connector+ US$9.95
Polymer Lithium Ion Battery, 2000mAh, JST Connector+ US$16.95
Polymer Lithium Ion Battery Pack, 6Ah, JST Connector+ US$29.95
2-pin Female JST Connector, 2mm pitch, with 5-inch Wires+ US$0.95
Barrel Jack to 2-pin JST Adapter, 2.1x5.5mm Jack, 2mm JST+ US$2.95

This product was added to our catalog on Monday 16 June, 2014.


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