hello, i want to make a small project, lets say just LEDs blinking, second being controlling my audio on my pc with potentiometer. can you let me know if this is enough/am i missing something, should i buy something similiar, save money etc? also im not sure about the power of resistors, which should i choose? i dont want to spend 25$ for my project not working because of something. im a beginner so please go easy on me :). feel free to ask questions