Keyestudio 37 In 1 Sensor Kit For Arduino With Tutorial,Sensors Modules At the same time, we also provide some detailed projects for each sensor based on development board, including wiring method, test code, etc. It can help you have further understanding of those sensor modules and can apply them to interactive projects. Compatible for Arduino and Raspberry Pi Sensor kit comes with 37 basic sensors and modules.Such as active buzzer module, 5V relay module, temperature and humidity module and so on. There are only online tutorials, you can get the tutorial by scanning the QR code on the folded page, or please search for "KT0193F" in KEYESTUDIO WIKI. Note that in the following projects, the main board and other wires are not included in this kit. You need to prepare them by yourself KEYESTUDIO Technical Support?please feel free to contact us and we will respond quickly to technical support.