Freetronics Forum

You are only reading and displaying a single character (strInput) and then lose it when ever a new character is received. There are several ways to achieve what you are after. Try using a character array and adding each new character to the next position in that array followed by a null terminating ...

You do not provide enough information.
What hardware?
How you have set up that hardware?
What libraries?
Your code/sketch?
What are you trying to achieve?
What is actually happening?

So as I asked: What is going wrong? What is happening that shouldn't be happening, or what is not happening that should be happening? What have you done to debug it yourself? Have you tried to print something direct to the DMD? Did it work? If so the DMD display part looks OK. Are you receiving data...

Firstly, please put your code in the code markers - shown as </> in the line above the text entry box. I have just edited your post to do this, as I did in your previous thread. You do not give much information. What is going wrong? What is happening that shouldn't be happening, or what is not happe...

It is the dmd.drawMarquee() & dmd.stepMarquee() that does the scrolling. Replace this dmd.drawMarquee(message ,max_char,(32*DISPLAYS_ACROSS)-1 ,0); long start=millis(); long timer=start; boolean ret=false; while(!ret) { if ((timer+30) < millis()) { ret=dmd.stepMarquee(-1,0); timer=millis(); } } with...

The Eleven is a Uno clone so the chip with the bootloader should be the way to go. Just try it - nothing to lose. If it does not programme via the USB port, you could try configuring it as described in the link you mentioned. If it does not work after that you would appear to have a dead board. Othe...

My friend once decided to highlight this issue for about 2 days and he found the final number. The result was the number 343. Rubbish! Try about 4 to 6. Depends on display quality, what else you want to do, libraries, etc, etc. If you post nonsense or spam or off-topic material, you will very likel...

Do not try to do too much at once. Start very basic and keep it as simple as possible. Do only one step at a time. Go back to the examples, take a copy of one (such as the countdown one) and start playing with that by changing things until you understand what the various parts are doing. Try getting...

Please tell me on an example how to output a variable to a matrix. Thanks!

Again, not much information to go on, but you probably need to convert the variable to a char array before trying to display it.

You do not provide much information to allow any worthwhile comments, but if you are using the Freetronics type DMD board and a Uno (or similar) the DMD2 supplied example sketches should display in normal graphics, not inverted. If the display is inverted for all the example sketches then it looks l...