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1  Using Arduino / Networking, Protocols, and Devices / Xbee + ACK + IEEE 802.15.4 on: April 11, 2013, 04:36:56 pm
Hello Everyone,
Can someone explain to me how to create a network, where I'm able to send data packet and receive and ACK in response.
I'm addressing the XBee modules.

Tanks in advance.
2  Using Arduino / Storage / SDuFAT Library don't allow save more than 16 results on: February 15, 2011, 06:03:46 am
I buy a micro SD card from and I tried to save more than 16 results but I can't.

The code for my microSD card is in

Can someone help me
3  Using Arduino / Storage / SD_uFAT - Problem on: February 13, 2011, 05:36:10 pm
Hello everyone I have an Arduino Duelminove and a MicroSD Module from libelium.
I have just tried to write in a USD Card by using the SD_uFAT code from but I have a problem, I can only save the data if I have the
Arduino IDEʼs Serial Monitor open.
Has you see bellow I want to continuous write in the uSD Card when I power supply the sensor board without using the Arduino IDEʼs Serial Monitor
Can you help me?
Tanks in Advance.
#include "SDuFAT.h"
// define the pin that powers up the SD card
#define MEM_PW 8
// help string to be sent to the serial port
#define HELP "H help\nL file info\nD delete\nP append string\nW init file and write\nR dump to serial\nA append text\n"
void setup()
  // on my MicroSD Module the power comes from a digital pin
  // I activate it at all times
  pinMode(MEM_PW, OUTPUT);
  digitalWrite(MEM_PW, HIGH);
  // configure the serial port to command the card and read data
void loop()
    SD.print("hola.txt","hola caracola\n");
    Serial.print("Esta Aberta: \n");
4  Forum 2005-2010 (read only) / Interfacing / Re:  MG811 CO2 Sensor on: September 11, 2010, 04:32:22 pm
I didn't find anything on google.
5  Forum 2005-2010 (read only) / Interfacing / MG811 CO2 Sensor on: September 09, 2010, 06:23:45 am
Is there any code to arduino in order to read from the  MG811 CO2 Sensor?
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