基于PWM的调光技术 本程序能实现单色LED渐亮 渐灭控制 程序稍修改即能实现三色LED的混色 能有跳变 渐变等多种效果 -Monochromatic LED PWM dimming technology-based program can fade gradually eliminate the control program is slightly modified to achieve tri-color LED color mixing can have a gradual tran