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Thank you for the reply, I am away so it will take a bit of time before I dig out my arduino stuff. I let you know as soon as I can.

andrew wrote: ↑

Mon Apr 01, 2019 8:13 am

Can you let me know what version of the Arduino IDE, and type of Arduino board you are using and I'll see if I can replicate it.

I got sidetracked, sorry for the slow reply.

I use an Arduino Uno R3 and i am using the Arduino 1.8.9 IDE.
Dot matrix has 783BS written on the side.

I am also having issues with this sketch, here are the errors I get after compiling : C:\Users\yanni\AppData\Local\Temp\arduino_modified_sketch_742345\HCDotMatrix_Example.ino: In function 'void loop()': C:\Users\yanni\AppData\Local\Temp\arduino_modified_sketch_742345\HCDotMatrix_Example.ino:89:52: w...