ELEGOO Electronics Component Basic Starter Kit w/Precision Potentiometer, Buzzer, Capacitor Compatible with Arduino UNO, MEGA2560, Raspberry Pi With more than 200pcs components.With basic transistor and IC components. With a precision potentiometer, better quality. .Datasheet is available to download from our official website or you can contact our customer service NOT including the controller board. 100% compatible with Arduino UNO, MEGA.