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Friday, June 19, 2015

Arduino LilyPad USB

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 board is based on the ATmega32U4. Board comes fully assembled and tested with ATMega168V pre-loaded with bootloader.

MicrocontrollerATmega32u4
Operating Voltage3.3V
Input Voltage (recommended)3.8V
Input Voltage (limit)5V
Digital I/O Pins9
PWM Digital I/O Pins4
Analog Input Pins4
DC Current per I/O Pin40 mA
Flash Memory32 KB (ATmega32u4) of which 4 KB used by bootloader
SRAM2.5 KB (ATmega32u4)
EEPROM1 KB (ATmega32u4)
Clock Speed8 MHz
Radius18 mm

Tuesday, June 16, 2015

RASPBERRY PI 2 MODEL B

The Raspberry Pi 2 Model B is the second generation Raspberry Pi. It replaced the original Raspberry Pi 1 Model B+ in February 2015. Compared to the Raspberry Pi 1 it has:
  • A 900MHz quad-core ARM Cortex-A7 CPU
  • 1GB RAM
Like the (Pi 1) Model B+, it also has:
  • 4 USB ports
  • 40 GPIO pins
  • Full HDMI port
  • Ethernet port
  • Combined 3.5mm audio jack and composite video
  • Camera interface (CSI)
  • Display interface (DSI)
  • Micro SD card slot
  • VideoCore IV 3D graphics core