GPS and Li-Poly Board ZIGBEE SMART HOME

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Arduino compatible GPS and Li-Poly Board is arduino compatible board. GPS module is NOT included.

 

It also supports a single cell Li-ion battery.

 

Tutorial

 

The GPS module used is SR-92. It's connected to pin 2 and pin3 by software serial port.

 

The following is a pass-through schetch.

 

 /* GPS Board Shield - Pass-Through Sample Sketch */

 

#include  //Include the NewSoftSerial library to send serial commands to the cellular module.

 

#include         //Used for string manipulations

 

char incoming_char=0;      //Will hold the incoming character from the Serial Port.

 

SoftwareSerial  gps(2,3);  //Create a 'fake' serial port. Pin 2 is the Rx pin, pin 3 is the Tx pin.

 

void setup()

 

{

 

  //Initialize serial ports for communication.

 

pinMode(19, OUTPUT);  

 

digitalWrite(19, LOW);

 

Serial.begin(9600);

 

gps.begin(9600);

 

Serial.println("Starting GPS Communication...");

 

}

 

void loop()

 

{

 

//If a character comes in from the cellular module...

 

incoming_char=gps.read();    //Get the character from the cellular serial port.

 

Serial.print(incoming_char);  //Print the incoming character to the terminal. 

 

}

 

This GPS receiver comes with embedded antenna and only needs 5 pins to talk to your Arduino or MCU.

Pin 1:  GND Ground   Pin 2:  VCC Power supply of 3.3 ~ 3.5 VDCPin 3:  TX Port A serial data output (GPS out); N-8-1, NMEA v3.00 outputPin 4:   RX Port A serial data input (GPS in); N-8-1, accepts commands from external applications, e.g. SiRFDemo.Pin 5:   5 PWR_CTRL Hardware controlled power saving pin.            If this function is used, it is usually connected to a GPIO pin of a micro-processor.            "Low": for normal run            "High" or floating: turn off VCC for power saving             Tie it to low if this pin is not used.

Not only handheld but also any other GPS applications can share the following major features of SR-92.

 Easy adoption with best performance Integrated antenna and EMC protection Built-in backup battery allowing hot/warm starts and better performance No external component demand, just connect and use. Minimum RF and EMI efforts Small size of 18 (W) x 21 (L) x 7 (H) (mm) with patch antenna of 18x18x4mm. Fully implementation of ultra-high performance SiRFstarIII single chip architecture High tracking sensitivity of -159dBm Low power consumption of 40mA at full tracking Hardware power saving control pin allowing power off GPS via GPIO SR-92 could be arranged at best reception location inside housing Firmware upgradeable for future potential performance enhancements

 

GPS and Li-Poly Board ZIGBEE SMART HOME