CALLIOPE Mini Micro Controller

The Calliope Mini Was Created to give third-grade students easy access to the digital world. Getting started is so easy that children, teachers and parents without any prior knowledge can start immediately.
Hardware: Nordic nRF51822 Multi-protocol Bluetooth 4.0 low energy / 2.4GHz RF SoC, 32-bit ARM Cortex M0 processor (16MHz), 16kB RAM, 256kB Flash; NXP KL26z (USB and power supply)
5x5 LED matrix screen; 1 Programmable RGB LED (WS2812b) Accelerometer, Gyroscope, Magnetometer (Bosch BMX055)
Piezo speaker; MEMS microphone DC Motor Driver (TI DRV8837) 2 programmable buttons Serial interface (USB + configurable ports) USB Micro B connection (programming and power supply), JST battery connector (3.3V)-----4 banana plug / crocodile clip connections, 4 analog inputs 8-11 Input / Output Connections (depending on software configuration)SPI + I2C; PWM output; Banana / crocodile clip connection for 3.3V (output) 2 I2C + serial / analog connectors (Grove)
IMPORTANT: Requires 2 AAA Batteries (NOT INCLUDED)
Includes:
- Caliope Mini Board
- Battery Holder
- MIcro USB Cable
The Caliope Mini Features:
Lights:
- The red LEDs form a 5x5 grid, each LED can be controlled individually.
- The RGB LED below the grid allows for the display of numerous more colors.
- The yellow status light on top of the board shows when the mini is powered and flashes if data is written on it.

Buttons:
Use the buttons A and B to the left and right of the red LEDs to make inputs. When you press a button a circuit is closed. The board can recognize whether only one or both buttons are pressed. Using a program you can decide what happens when you press one or both buttons.
Sensors:
The combined component below button A contains a compass, a motion sensor and an accelerometer. These tools help the Calliope mini detect in which direction and at which speed it is moving and also measures the temperature and the brightness.
Pins: The pins marked: + and - can be used to connect a battery using banana or alligator clips. The pins marked: P0, P1 and P2 are be used to connect sensors like temperature or moisture sensors. Additionally, P1 and P2 are touch-sensitive.

USB:
The USB port on top is the most simple option to transfer self-made programs. Connect the board to your computer using a micro-USB cable and get going!
Bluetooth: Don't want to use cables and want to work with your mini without a computer? Using Bluetooth you can connect your mini with a smartphone or a tablet and transfer data. It also works the other way around - the mini can trigger certain functions on your smartphone like you programmed them. Additionally it's possible to have minis communicate and exchange information with each other using the wireless module
Speakers and microphone: Integrated speaker Plays and Records, Play music or let it beep!

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