对了,顺便帮我看一下这个为什么没作用:
int ledCount = 6; //LED的总数量.
int ledOut[] = { 11, 10, 9, 6, 5, 3};//6个PWM输出,LED从11脚开始到3脚.
int b1; //1灯亮度.
int b2; //2灯亮度.
int b3; //3灯亮度.
int b4; //4灯亮度.
int b5; //5灯亮度.
int b6; //6灯亮度.
byte brigh [] = { b1, b2, b3, b4, b5, b6}; //将6个亮度合成一个数组,方便调用.
int i = 0 ; //设定一个变量.
void setup() {
Serial.begin(115200); //设置串口波特率,使用蓝牙模块时,注意收发引脚交叉(T-R,R-T).
}
void loop() {
char ch;
if (Serial.available() > 0) //如果串口数据>0.
{
ch = Serial.read(); //读取串口数据到ch中.
switch (ch ) {
case '1': //根据发送的字符'1'-'6',赋值i '0'-'5'.
i = 0;
break;
case '2':
i = 1;
break;
case '3':
i = 2;
break;
case '4':
i = 3;
break;
case '5':
i = 4;
break;
case '6':
i = 5;
break;
}
}
if (ch = 'z' || ch = "Z")
{
if (i >= 0 && i <= 6)
{
if (ch == 'z' && brigh [i] < 248) //小写字母'z'用于增加亮度,每次加8
{
brigh [i] = brigh [i] + 8;
}
if (ch == 'Z' && brigh [i] > 0 ) //大写字母'Z'用于减小亮度,每次减8
{
brigh [i] = brigh [i] - 8;
}
}
analogWrite(ledOut[i], brigh [i]); //
}
}
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