Features:Piano Shape: The microbit piano music sound expansion board is modeled after the real piano. It is areduced version of the electronic piano expansion board, which can complete the piano key playing andRGB light switching function.The piano version has 12 note buttons, three high and medium bass switchbuttons, and you can switch to each other to play beautiful music.It possess 7 white note buttons, 5 blacknote buttons, 3 round buttons.Rich Functions: RGB lights have multiple modes, and the piano board has 3 programmable RGB lights,which can be programmed to be used as music indicator, music stream light, music indicator and so on. Letthe music and lighting work together perfectly. With integrated passive buzzer, if you want a louder sound.Integrated passive buzzer can send out sound effects such as “do.re.mi.fa.sol.la.si” to provideaudio output.Compatible with Building Blocks: The piano board is designed with building block connecting holes and iscompatible with building blocks. Piano boards and building blocks can complete more creative ideas.Interesting Play: Piano performance, picture switching, music light show.Applicability: The product is suitable for people over 10 years old

Specifications:.Color: As Shown.Material: Circuit Board.Power Supply Mode: 2 x AAA battery or pin power supply.Rated Voltage: 3.3V.Rated Current: 100mA.Colorful Programmable Lights: 3.Round Function Button: 3.Analog Piano Button: 12.Sound: 1 Buzzer , 3.5mm Audio Output.Product Dimensions: 9.4 x 9.4 cm.Product Weight: 70g.Package Dimensions: 15 x 15 x 5cm.Package Weight: 125g.Packing: Bag

OVERVIEWYou can use your BBC micro:bit for all sorts of cool 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 BBC micro:bit 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 Microsoft 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.Microsoft TouchDevelop IDEMicrosoft BlocksCodeKingdoms JavascriptMicroPythonmbed enable Hardware1. Nordic nRF51822-16 MHz 32-bit ARM Cortex-M0 microcontroller-Bluetooth 4.0 low energy/2.4GHz RF SoC-16kB RAM-256kB 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. Power connector - 3V power supply6. Reset button - reset the system7. Micro USB connector - for connecting PC, download code, serial communication, etc.8. 5*5 LED display -5*5 LED grid9. Button A/B * programmable buttons10. I/O connection pins * 5 I/O rings and 20-pin edge connector, including SPI, UART, I2C, Analog, PWM, etc.11. Dimensions - 5cm * 4cm