This board contains three parts:A Cell battery who supplies 3.3v voltage,five LED lights are used to display part ,the third part is a slide switch and a button.The working principle of this board is simple and it is very easy to be used.When you want to use it you should put a cell battery to the battery holder and turn the S2 on,then you can see LED1,LED2,LED3,LED4 are all on . when you press the S3 button the LED5 is on, if not the LED5 will off.The board includes a battery so you can start your project as soon as you open the box!

This board contains three parts:A Cell battery who supplies 3.3v voltage,five LED lights are used to display part ,the third part is a slide switch and a button. The board series is a new way to prototype your project without a breadboard. Everything is wired together on a single board, which makes it easy to explore the possibilities of the components before snapping them apart and building them into your project.

Please note: The battery is no inclued in the package.