This is the Add-On kit for the SparkFun Digital Sandbox（DS）learning platform. With this add-on you will be able to perform the final three circuit experiments found in the DS Guide book which include making an electric musical instrument, telling a motor to spin as fast as you want, and controlling a servo. This is the perfect kit if you've completed everything to do with the Digital Sandbox but are looking for more！
Note：If you are looking for the first 13 experiments they can be found with the Digital Sandbox learning platform.
