Description <br> A mini piano music expansion board designed for Micro-bit, comes with four cool coloured lights. with you, use your creativity and art cells, your Micro-bit can also be played out of the art style. <br> On-board Micro-bit interface, can be directly plugged into use <br> On-board buzzer, can play beautiful music. <br> On-board capacitive touch chip, leading to 13 touch buttons, using I2C interface communication. <br> On-board 4 coloured lights, one signal line can control the colour of the lights. <br> <br> Leads out the control pins of the module and the SPI and some GPIO pins on the Micro-bit, convenient for expansion use. <br> Touch chip:TTP229 <br> Colour light lamp bead:WS2812B <br> Working voltage:3.3V <br> Colour:Photo Color <br> Material:PCB <br> <br> Package Contents: <br> 1 x Piano Music Expansion Board <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection 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. <br>