durable, firm and stable to use.<br> This allows you to connect all types of funny things as input.<br> It is an invention kit that makes your computer think that almost anything is a keyboard.<br> The kit uses high resistance switching to detect when you have made a connection even through materials that are not conductive.<br> The ATMega32u4 connects to your computer using the human interface device (HID) protocol which means that it can act as a keyboard or a mouse.<br> No need to program, no need to connect tedious lines, no need to install software, just need to connect USB to use, very simple!<br> Specifications:<br> Item Type: Main Control Board Kit<br> Communication interface: USB<br> Colour:As shown<br> Material:PC+Metal<br> Package Contents:<br> 1 * Controller Board<br> 10 * Crocodile Clips<br> 1 * USB Cable<br> 10 * Jumper Cables<br> Only the above package content, other products are not included.<br> Note: Light shooting 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.