We are excited to add another product to our growing Adafruit Bluefruit line, this time it's the Bluefruit EZ-Link Shield: the best Bluetooth Serial shield ever made. Like you, we have purchased all sorts of Bluetooth shields with high expectations - we just wanted something that worked! But nothing..
The Bluetooth Shield integrates a Serial Bluetooth module. It can be easily be used with Arduino/Seeedstudio for transparent wireless serial communication.
Up to10m communication distance in house without obstacle
UART interface (TTL) with programmable bau..
Nordic nRF51822 core
ARM Cortex-M0 32-bit SoC at 16MHz
Ultra low power consumption
256 KB Flash, 16 KB RAM
BLE Peripheral role
BLE Central role (will be available later by software update)
GPIO pins reconfigurable (I2C, SPI, UART, Input, Output, Analog, PWM)
J-Link SWD interface