Hello,

So I'm working with the OK204-25 USB display, https://www.matrixorbital.com/ok204-25 . I've successfully installed the drivers on a different computer around a year ago, but now I'm attempting to install the drivers on a second PC and its not setting up the VCP (virtual com port) portion of ...

I was afraid that was the answer. I'm going to shrink it down to stay within 8 cells. So I would be able to just do those 8 custom characters.

As always, thank you for your time Daniel.

Yep me again.

So I have a question regarding attempting to place my company logo on the screen.

PSI Logo.PNG

Its a simple logo and I would like to place it on the screen as the first boot screen.

Correct me if I'm wrong. But I couldn't do this, as the commands require me to send all 80 ...

Daniel,

Thank you for your time and help.

Daniel,

Thank you so much for following up with me. I'm glad to hear that I can skip the saving part and just store them in my program and send them as I need them. This gives me a lot more options for creating imagery on the display.

However, I'm still not sure what commands I'll need to send ...

What am I missing? So I've been messing with my OK204-25-USB for about a week. I've figured out the communication on most of the functionality. Creating and using bars, medium/large numbers, moving cursor around, displaying text, etc. However, creating custom Characters I'm confused.

Lets look at ...

So I've resolved the issue and I was correct it had to do with my inexperience with c++. I changed the incoming parameters associated with my function. I've included a pointer to the first character in the array and the the size of the array. This allowed me to use the pointer and the size to pass ...

Hi Daniel,

Hey thanks for the welcome! I appreciate your time. So I'm not sure how to remove the NULL terminator. I've worked with serial communications awhile back and remember that there might be a way to ignore that by making changes to the port_attributes. I'll have to dig into that a bit more ...

Hello,

I just picked up my first character display and I'm having a few issues displaying characters on it. So first off, using the hello, world sample code it is working mostly fine. I get a weird character at the very end of the string that I didn't enter. attached photo helloworldchar.jpg

The ...