January 9, 2012
Tutorial - Weather Station Wirelessly Connected to Wunderground
If you are using a Mega or Leonardo, the GPS code as provided with SoftwareSerial RX on pin 5 will not work (see http://arduino.cc/en/Reference/SoftwareSerial). You will have to reroute the shield pins 4 and 5 to other pins which support change interrupts. Or you can do what I did, and simply route the shield’s serial pins to hardware serial pins on the Mega, and use Serial1-3 and eliminate the SoftwareSerial altogether.
Thanks to Ho Yun for alerting me to the SoftwareSerial issue with the Mega.
Translation: I’m too lazy to read the datasheet or check back here for a reply.
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