Pkj：Created page with "{| style="width: 800px;" |- | ==Objective== The course will show you how to achieve a dashboard through Processing to display the inductive magnetic field change of Microduin..."

2014-06-09T09:19:51Z

Created page with "{| style="width: 800px;" |- | ==Objective== The course will show you how to achieve a dashboard through Processing to display the inductive magnetic field change of Microduin..."

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==Objective==

The course will show you how to achieve a dashboard through Processing to display the inductive magnetic field change of Microduino.

==Equipment==
*'''[[Microduino-Core]]'''
*'''[[Microduino-FT232R]]'''
*'''[[Microduino-10DOF]]'''

*Other Hardware Equipment
**A USB cable

==Schematic==

Just use the HMC5883L magnetic field strength sensor of Microduino-10DOF.

==Program==

https://github.com/Microduino/Microduino_Tutorials/tree/master/Microduino_Processing/MicroduinoDashboard

https://github.com/Microduino/Microduino_Tutorials/tree/master/Microduino_Processing/ProcessingDashboard

==Debugging==

Step 1：Build the hardware environment according to the schematic, just like:
[[File:processingDashboardConnectionDiagram.jpg|600px|center|thumb]]

Download the library function of HMC5883L:
https://github.com/manifestinteractive/arduino/tree/master/Libraries/HMC5883L

Step 2: Here is the code：

The code of the two ends(Processing and Microduino)

Microduino:

Initialize HMC5883L in “setup()”

Calculate the angle of the magnetic induction

//Output() used to output the calculated angle to the serial port
// Output the data down the serial port.
void Output(int RoundDegreeInt)
{
//Serial.println();
Serial.println(RoundDegreeInt);
delay(150);
}

Processing:

//Get the data of the first serial port.
myPort = new Serial(this, Serial.list()[0], 9600);

//The code below in drawCube() is used to acquire the serial data

while (myPort.available() > 0) {
myString = myPort.readStringUntil(lf);
if (myString != null) {
//print(myString); // Prints String
angle=float(myString); // Converts and prints float
println(angle);
}
}

Function Reference：

//Draw the center point of the dashboard
buildpoint()

//Draw the dashboard and the pointer scale
builddashboard()

//Receive the serial data and draw the center point
drawCube()

//Draw the whole dashboard
drawCube1()

Step 3：Download the code and get it compiled successfully.

Step 4：Use a magnet to change the magnetic field to see if the pointer changes after the system goes well.

==Result==

A little compass will be displayed on the scree, which goes along with the change of the magnetic field, just like:
[[File:processingDashboardResult.jpg|600px|center|thumb]]

==Video==

Dashboard - 版本历史

Pkj：Created page with "{| style="width: 800px;" |- | ==Objective== The course will show you how to achieve a dashboard through Processing to display the inductive magnetic field change of Microduin..."