Node-RED node for the NXP PCA9685 PWM Controller. Contribute to Pyronix/node-red-contrib-pca9685 development by creating an account on GitHub.

注意 / Note: 新版树莓派系统（Raspberry Pi OS Bookworm 或更新版本）已内置pigpio库，可以跳过这一步。 If you are using newer Raspberry Pi OS versions (Bookworm or later), pigpio is already pre-installed and you can skip this step.