Pkj：Created page with "{{Language | 体感互动-超声波}} {| style="width: 800px;" |- | ==Objective== This turorial will display a distance that ultrasonic sensor measured in Processing with a cu..."

2014-05-19T13:07:33Z

Created page with "{{Language | 体感互动-超声波}} {| style="width: 800px;" |- | ==Objective== This turorial will display a distance that ultrasonic sensor measured in Processing with a cu..."

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{{Language | 体感互动-超声波}}
{| style="width: 800px;"
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==Objective==
This turorial will display a distance that ultrasonic sensor measured in Processing with a curve.

==Equipment==
*'''[[Microduino-Core]]'''
*'''[[Microduino-FT232R]]'''
*Other equipment
**USB cable one
**Ultrasonic sensor one
**The magnet one
**330Ω resistor one
**Bread one
**Breadboard Jumper onebox

==Schematic==

[[File:interactionUltrasonicSchematics.jpg|600px|center|thumb]]

==Program==

Refers to interactionUltrasonic
interactionUltrasonicArduino

==Debug==
Step 1：Set up hardware system, as follows:
[[File:interactionUltrasonicConnectionDiagram.jpg|600px|center|thumb]]

Step 2: Explain the code:

This example needs two parts code, one is Processing and the other is Microduino.

Microduino:

//Calculate the distance and output to serial for Processing's display.
void loop()
{
digitalWrite(TrigPin, LOW);
delayMicroseconds(2);
digitalWrite(TrigPin, HIGH);
delayMicroseconds(10);
digitalWrite(TrigPin, LOW);

cm = pulseIn(EchoPin, HIGH) / 58.0; //Echo time will be converted into cm
cm = (int(cm * 100.0)) / 100.0; //Two decimal places
Serial.println(cm);
delay(100);
}

Processing:

//Get the the first serial data,
// is always my Arduino, so I open Serial.list()[0].
// Open whatever port is the one you're using.
myPort = new Serial(this, Serial.list()[0], 9600);
myPort.bufferUntil('\n'); // Trigger a SerialEvent on new line

//Use the curve to display the data that Microduino sent using the curve and mark the table scale
void draw() {
background(255);
// Draw lines connecting all points
for (int i = 0; i < vals.length-1; i++) {
stroke(0);
strokeWeight(1);
line(i, vals[i], i+1, vals[i+1]);
}
// Slide everything down in the array
for (int i = 0; i < vals.length-1; i++) {
vals[i] = vals[i+1];
}
// Add a new random value
//vals[vals.length-1] = random(height);
String val = myPort.readStringUntil('\n');
if (val != null) {
val = trim(val);
println(val);
cm=Float.parseFloat(val);
}
vals[vals.length-1] = 200-cm;
//Display scale
text ( "200-", 370, 10);
text ( "--", 370, 50);
text ( "100-", 370, 100);
text ( "--", 370, 150);
text ( "0-", 370, 200);
//show current num
text ( cm, 0, 10);
}

Step 3: Compile the code and download it.

Step 4: Runing the program and put an object in front of the ultrasonic sensor, then observe the Processing's output.

==Result==
Screen will display the distance data curve, as follows:
[[File:interactionUltrasonicResult.jpg|600px|center|thumb]]

==Vidoe==

|}

Somatosensory interaction - ultrasound - 版本历史

Pkj：Created page with "{{Language | 体感互动-超声波}} {| style="width: 800px;" |- | ==Objective== This turorial will display a distance that ultrasonic sensor measured in Processing with a cu..."