All fixed, many thanks MicroController...
Now to make it useful...

To be honest, I did suspect something on those lines, it makes perfect sense but, I haven't coded in years and had convinced myself is was something to do with string manipulation, or my lack of knowledge of modern coding techniques, or the Cat...

Many thanks, I will fix it...
Mike

I have changed it a little, here's the code... void printStack(char *mytxt) { char *SpStart = NULL; char *StackPtrAtStart = (char *)&SpStart; UBaseType_t watermarkStart = uxTaskGetStackHighWaterMark(NULL); char *StackPtrEnd = StackPtrAtStart - watermarkStart; if(stacktot == 0) { stackori = stacktot ...

In a recent project I noticed my board resets after 18 touch events/processes. Basically I use Makerfabs-ESP32-S3-SPI-TFT-with-Touch board and a mixed bag of example code to produce a Macro Keyboard. It works perfectly for about 18 button(touch) presses but then resets (I run out of Stack). Chances ...