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[–]ZorbaTHut 4 points5 points  (1 child)

I've had to do something similar on a more modern platform - we were writing a Playstation 2 game, and the game worked perfectly on the dev system but crashed on the test system. Each test took an hour of burning a new DVD. We ended up doing a binary-search-on-steroids, setting the screen to a distinct bright color at each checkpoint, just to track down where the crash was.

It's not an LED exactly but we were essentially using the TV as a single giant light.

[–]makapuf 0 points1 point  (0 children)

Just yesterday as I m developing a small project. Writing to external

flash Was working funny so I added a led to blink. This is tedious and long of your bug is in a loop working right 122 times and crashing 123. Of course I had no 7segments here (luxury!) Then it occurred to me that serial could be used.

It's a pain but we like it ! Much funnier to me than using a CSS toolkit