10 LED bar graph code for Arduino uno. . GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

Grove – LED Bar is comprised of a 10 segment LED gauge bar and an MY9221 LED ... to Upload the code, if you have any problem about how to start Arduino, ... ... <看更多>

Short answer: learn how to use loops (for and while) and arrays. A longer one: define M like this: int M[] = {40,75,...,250};. ... <看更多>

Arduino Playground - LedControl Arduino Clone, Digital Dice, Light Up Dance ... Arduino Tutorial #21 - MAX7219 LED Matrix Display Walkthrough & Test Code ... ... <看更多>

Demo code is available to get you up and running quickly. It lights up the LEDs sequentially from red to green, so the entire bar graph is lit ... ... <看更多>