- 机器人等级考试
机器人五级 LEDC模拟输出
- 2025-6-21 13:57:32 @
6 条评论
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admin SU @ 2025-6-21 14:41:23
const int ledPin1 = 26; //const int ledPin2 = 27; //PWM参数定义 const int freq = 5000; //频率 const int ledChannel_1 = 1; //PWM通道 0~15//const int ledChannel_2 = 2; //PWM通道 0~15 const int resolution = 8; //PWM的分辨率 0~255之间 void setup() { // Setup timer and attach timer to a led pin ledcSetup(ledChannel_1, freq, resolution); //初始化PWM通道参数//ledcSetup(ledChannel_2, freq, resolution); //初始化PWM通道参数 ledcAttachPin(ledPin1, ledChannel_1); //将通道1和GPIO26关联//ledcAttachPin(ledPin2, ledChannel_2); //将通道2和GPIO27关联 } void loop() { for(int i=0;i<=255;i+=5) //从暗到亮 { ledcWrite(ledChannel_1,i); //向通道1写入指定值 delay(20); } for(int i=255;i>=0;i-=5) //从亮到暗 { ledcWrite(ledChannel_1,i); //向通道1写入指定值 delay(20); } }
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