Freetronics Forum

I'm very new to Arduino. I'm making a GPS speedo and I'm trying to read in some serial, store a value from a substring and echo it back via serial. At the moment I'm having problems storing the substring. I've gotten to the point where I'm able to get some data between < and >. But the data doesn't ...

Hi Dennis, I'm using a 12v 500ma switchmode supply at the moment. I just got all this working a few minutes ago! Now I'm trying to expand it to 2 DMD's but can't get it to go. Any tricks? The second DMD is just showing some random junk occasionally.. Here's the latest code: //ARDUINO 1.0+ ONLY //ARD...

Complete start over has given some better results :) Now it gets data from a php page and displays it. Once, until it connects and downloads again. Trying to fix that now. //ARDUINO 1.0+ ONLY //ARDUINO 1.0+ ONLY #include <Ethernet.h> #include <SPI.h> #include <DMD.h> #include <TimerOne.h> #include "...

Hi, I'm completely new to arduino. This is my first project, and I'm trying to make a display board that looks to a php page and scrolls the text on it. I've gotten half way by very badly ripping bits of code from here and there. I can get it to connect to my php page and grab the text, even output ...