ITEM NAME:Alligator Clip Jumper Wire Standard Controller Board DIY Kit for Makey A3U1 Alligator Clip Jumper Wire Standard Controller Board DIY Kit for Makey A3U1 V8E6 This allows you to hook up all kinds of fun things as an input. It is an invention kit that tricks your computer into thinking that almost anything is a keyboard. The kit uses high resistance switching to detect when you've made a connection even through materials that aren't very conductive. The on-board ATMega32u4 communicates with your computer using the Human Interface Device (HID) protocol which means that it can act like a keyboard or mouse. Voltage: DC 5V Communication Interface: USB Controller Board Size: 9.4cm x 4.8cm Color: picture color Material: PC + metal Package Included: 1 x Controller Board 10 x Alligator Clips 1 x USB Cable 10 x Jumper Wires