ARDUINO – 摇杆与RGB灯
2022/08
20
14:08
GND、VCC(+5V)分别接地和VCC电源口
VRx,VRy (X、Y轴)为模拟输入信号,连接到模拟IO口A0~A7,从 0 ~ 1023 分别代表 左~右,上~下。中间值为512
SW (Z轴)是数字输入信号,连接到数字端口,并启用上拉电阻,SW 的值:1代表未按下,0代表按下。
#define RGB_RED 9
#define RGB_GREEN 10
#define RGB_BLUE 11
void setup()
{
Serial.begin(9600);
pinMode(7, INPUT_PULLUP);
pinMode(RGB_RED,OUTPUT);
pinMode(RGB_GREEN,OUTPUT);
pinMode(RGB_BLUE,OUTPUT);
}
void setColor(int red,int blue, int green)
{
analogWrite(RGB_RED,red);
analogWrite(RGB_GREEN,green);
analogWrite(RGB_BLUE,blue);
}
void loop()
{
int r = 512 - analogRead(A0);
int g = 512 - analogRead(A1);
if ( digitalRead(7) == 0 )
{
setColor(0, 0, 255);
}
else
{
Serial.print(r, DEC);
Serial.print(",");
Serial.print(g, DEC);
Serial.print("\r\n");
r = abs(r);
g = abs(g);
setColor(r, g, 0);
}
delay(1);
}
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Post Link: ARDUINO – 摇杆与RGB灯