Why I got the series 2: I was worried that the 802 type would interfere with my LAN. I don't know much about all this, as is already clear! So I got the series 2 because I thought that worked at higher frequency. I was also eager to get going and overwhelmed trying to figure this all out, so just took the plunge and got some hardware.
I have not configured them, because the arduino hardware page said to send a series of three "+" separated by 1 second, and with no carriage returns. I don't know how to do this, as the serial monitor requires the character be "entered" or "sent". That page also said that no configuration was likely needed.
The XBee is installed on the SainSmart board, which is installed on the Arduino.
I have an oscilloscope, if that would be helpful to figure out what's happening, but I don't know what should be on each pin.
The code I am using is below, taken almost without changes from the Arduino wireless page:
Arduino 1 (transmitter):
void setup()
{
Serial.begin(9600);
pinMode(13, OUTPUT);
}
void loop()
{
Serial.print('F');
digitalWrite(13, HIGH); // set the LED on
delay(5000);
Serial.println('L');
digitalWrite(13, LOW); // set the LED on
delay(1000);
}
Arduino 2 (receiver):
/*
Physical Pixel
An example of using the Arduino board to receive data from the
computer. In this case, the Arduino boards turns on an LED when
it receives the character 'H', and turns off the LED when it
receives the character 'L'.
The data can be sent from the Arduino serial monitor, or another
program like Processing (see code below), Flash (via a serial-net
proxy), PD, or Max/MSP.
The circuit:
- LED connected from digital pin 13 to ground
created 2006
by David A. Mellis
modified 30 Aug 2011
by Tom Igoe and Scott Fitzgerald
This example code is in the public domain.
*/
const int ledPin = 13; // the pin that the LED is attached to
int incomingByte; // a variable to read incoming serial data into
void setup() {
// initialize serial communication:
Serial.begin(9600);
// initialize the LED pin as an output:
pinMode(ledPin, OUTPUT);
}
void loop() {
// see if there's incoming serial data:
if (Serial.available() > 0) {
// read the oldest byte in the serial buffer:
incomingByte = Serial.read();
Serial.println(incomingByte);
// if it's a capital H (ASCII 72), turn on the LED:
if (incomingByte == 'F') {
digitalWrite(ledPin, HIGH);
}
// if it's an L (ASCII 76) turn off the LED:
if (incomingByte == 'L') {
digitalWrite(ledPin, LOW);
}
}
}
/* Processing code for this example
// mouseover serial
// Demonstrates how to send data to the Arduino I/O board, in order to
// turn ON a light if the mouse is over a square and turn it off
// if the mouse is not.
// created 2003-4
// based on examples by Casey Reas and Hernando Barragan
// modified 30 Aug 2011
// by Tom Igoe
// This example code is in the public domain.
import processing.serial.*;
float boxX;
float boxY;
int boxSize = 20;
boolean mouseOverBox = false;
Serial port;
void setup() {
size(200, 200);
boxX = width/2.0;
boxY = height/2.0;
rectMode(RADIUS);
// List all the available serial ports in the output pane.
// You will need to choose the port that the Arduino board is
// connected to from this list. The first port in the list is
// port #0 and the third port in the list is port #2.
println(Serial.list());
// Open the port that the Arduino board is connected to (in this case #0)
// Make sure to open the port at the same speed Arduino is using (9600bps)
port = new Serial(this, Serial.list()[0], 9600);
}
void draw()
{
background(0);
// Test if the cursor is over the box
if (mouseX > boxX-boxSize && mouseX < boxX+boxSize &&
mouseY > boxY-boxSize && mouseY < boxY+boxSize) {
mouseOverBox = true;
// draw a line around the box and change its color:
stroke(255);
fill(153);
// send an 'H' to indicate mouse is over square:
port.write('H');
}
else {
// return the box to it's inactive state:
stroke(153);
fill(153);
// send an 'L' to turn the LED off:
port.write('L');
mouseOverBox = false;
}
// Draw the box
rect(boxX, boxY, boxSize, boxSize);
}
*/
/*
Max/MSP version 5 patch to run with this example:
----------begin_max5_patcher----------
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-----------end_max5_patcher-----------
*/
