Adafruit Bluefruit LE SPI Friend - Bluetooth Low Energy (BLE) female instead of continuously charging/draining the

instead of continuously charging/draining the battery

Because Adafruit control everything about the product

You can even use an Adafruit LiPoly backpack to fit on top for an all-in-one rechargeable effects board

2x ultra-bright round 8x8 yellow-green matrices

just pick one with more than 500mAh of capacity

Adafruit Bluefruit LE SPI Friend - Bluetooth Low Energy (BLE) female instead of continuously charging/draining theAdd powerful and easy to use Bluetooth Low Energy to your robot, art or other electronics project! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE SPI Friend! The Bluefruit LE SPI Friend makes it easy to add Bluetooth Low Energy connectivity to anything with 4 or 5 GPIO pins. With SPI, you don't have to worry about baud rates, flow control, or