Hi Wotever,
I love SimHub so far
I am currently trying to get 3 MAX7219 7-Segment Modules to work. However, I did run into an issue: It all seems to work fine when I connect only one or two modules. When I use all three modules however, it doesn't work anymore. The first two seem to work okay (not always however, sometimes they just show 8888888, nothing at all or just random characters) but the third never shows what it is supposed to show. In most cases the third module shows up empty, in some cases it displays only parts of what it should show.
Here is a what I tried to display on the Modules for testing purposes:
View attachment 207381
Here is what it looked like after disconnecting and reconnecting the Arduino a couple of times:
View attachment 207382
In most cases, the third module (bottom) didn't even show anything, sometimes only a single 3 at the last digit. The output seems to be quite random. The first two modules seemed to work pretty much always.
- I am pretty certain that all the modules do work, as I have all tested them individually.
- Concerning wiring: I chained/cascaded the modules together, i.e. the output of module 1 to the input of module 2 etc.
- I changed the order of the modules to see if that makes a difference (it doesn't).
- I have obviously updated the Arduino sketch via the setup tool to allow three modules (for testing purposes I also tried different numbers of modules in the sketch, it didn't have any effect).
- I am also running 32 2812B LEDs with SimHub, although I doubt that this could have anything to do with my issue- disconnecting/disabling them had no effect (they work absolutely perfectly by the way
)
- I am using an Arduino Uno and SimHub 5.3.0 in Admin mode.
Do you have any Idea what I am doing wrong or what the issue could be?