OVERVIEW: You can use your for for all sorts of creations, from robots to musical instruments - the possibilities are endless. This little device has an awful lot of features, like 25 red LED lights that can flash messages.There are two programmable buttons that can be used to control games or pause and skip songs on a playlist.Your for can detect motion and tell you which direction you're heading in, and it can use a low energy Bluetooth connection to interact with other devices and the Internet.Software1.Supports PXT graphical editoravailable on Windows,macOS, iOS and Androidonline programming, needs no more compilerdownload/debug your code on PC via USBdownload/debug your code on mobile devices via Bluetooth2.Supports multi popular languages like Javasript, Phython, Mbed C, etc. touchDevelop IDE BlocksCodeKingdoms JavascriptMicroPythonmbed enableHardware1. Nordic nRF5182216 MHz 32-bit ARM Cortex-M0 microcontrollerBluetooth 4.0 low energy/2.4GHz RF SoC16kB RAM256kB Flash2. Freescale KL26Z - 48 MHz ARM Cortex-M0+ MCU3. Compass - Freescale MAG3110 3-axis magnetometer, I2C interface4. Accelerometer - Freescale MMA8652 3-axis accelerometer, I2C interface5. connector - 3V supply6. Reset button - reset the system7. -USB connector - for connecting PC, download code, serial communication, etc.8. 5*5 LED display -5*5 LED grid9. Button * programmable buttons10. I/O connection pins * 5 I/O rings and 20-pin edge connector, including SPI, UART, I2C, Analog, PWM, etc.11. size: 55 x 21 x 15mmCompatible With: ARMColour: BlackMaterial: ABSPackage Contents:1 * Development BoardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.