The LilyPad Arduino is a microcontroller board designed for wearables and e-textiles. It can be sewn to fabric and similarly mounted power supplies, sensors and actuators with conductive thread.
The LilyPad Arduino USB is a microcontroller board based on the ATmega32u4. It has 9 digital input/output pins (of which 4 can be used as PWM outputs and 4 as analogue inputs), an 8MHz resonator, a micro USB connection, a JST connector for a 3.7V LiPo battery and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a battery to get started.
The LilyPad Arduino USB differs from previous LilyPad boards in that the ATmega32u4 has built-in USB communication, eliminating the need for a separate USB-to-serial adapter. This allows the LilyPad Arduino USB to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.
More Technical Info
Atmel ATmega32u4 8MHz microcontroller,
32KB Flash memory, 2.5KB RAM, 1KB EEPROM
Bootloader uses 4KB of Flash memory
Operating Voltage: 3.3V Input Voltage: 3.8 to 5V
9 x GPIO Pins: 4 x PWM channels and 4 x analogue input channels DC Current per I/O Pin: 40mA
Board size: 50mm diameter (approx)
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