1.joystick按下會發出聲音
程式碼:
void setup()
{
// put your setup code here, to run once:
pinMode(2,INPUT_PULLUP);
pinMode(8,OUTPUT);
}
int state=0;
void loop()
{
// put your main code here, to run repeatedly:
if(digitalRead(2)==LOW)//當板上按鈕按下時或joystick按下時
tone(8,2500,100); //發出聲音
else
noTone(8);
}
2.按下joystick會看到1和0表示按跟沒按
程式碼:
void setup()
{
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(2,INPUT_PULLUP);
pinMode(8,OUTPUT);
}
int state=0;//開關狀態
void loop()
{
// put your main code here, to run repeatedly:
if(digitalRead(2)==LOW && state==0)
{
state=1;//當按鈕按下去時
Serial.write("1");
}
if(digitalRead(2)==HIGH && state==1)
{
state=0;//按鈕沒按時
Serial.write("0");
}
delay(100);
}
執行結果:
101010101010101010101010101010101010101010101010
3.按下joystick可以在processing看到背景變換顏色
processing程式碼:
import processing.serial.*;
Serial myPort;
void setup()
{
size(300,200);
myPort= new Serial(this, "COM6", 9600);
}
int button = 0;
void draw()
{
if(myPort.available() > 0)
{
int now = myPort.read();
println("現在你讀的其實是:"+now);
if(now =='1')
button=1;
else
button=0;
}
if(button==1)
background(255,0,0);
else
background(255);
}
makeruno程式碼:
void setup()
{
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(2,INPUT_PULLUP);
pinMode(8,OUTPUT);
}
int state=0;
void loop()
{
// put your main code here, to run repeatedly:
if(digitalRead(2)==LOW && state==0)
{
state=1;
Serial.write("1");
}
if(digitalRead(2)==HIGH && state==1)
{
state=0;
Serial.write("0");
}
delay(100);
}
4.利用網路程式送訊息到老師主機
程式碼:
import hypermedia.net.*;
UDP udp;
void setup()
{
size(300,200);
udp = new UDP(this, 6000);
for(;;)
udp.send("ERROR:404", "120.125.70.53",6100);
}
void draw()
{
}
void mousePressed()
{
udp.send("ERROR:404", "120.125.70.53",6100);
}
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