Reading Bingo Balls with Microcontrollers
Every once in a while a project comes along with that magical power to consume your time and attention for many months. When you finally complete it, you feel sorry that you don’t have to do anything more.
What is so special about this Bingo ball reader? It may seem like an ordinary OCR project at first glance; a camera captures the image and OCR software recognizes the number. Simple as that. And it works without problems, like every simple gadget should.
But then again, maybe it’s not that simple. Numbers are scattered all over the ball, so they have …read more
