Using this Bright LED module is a breeze. First, connect it to your device through the DFRobot gravity 3 - Pin interface. It's plug - and - play, so you just need to insert it correctly. Then, send a digital signal to the module, and it will light up right away. Remember, the LED is very bright. Do not look directly at it for a long time as it may harm your eyes. When it comes to maintenance, keep it in a dry and clean place. Check the connections regularly to make sure they are secure. If you encounter any problems, refer to the Product WIKI or other provided documents for help.