My dog is almost totally blind now, and while doing laps in the pool is his favorite thing in life (and best, most reliable form of full body exercise) I miss the throw-and-catch from when he was a puppy. And I'm sure he does too---ball-obsessed as he is. He carries a ball with him wherever he goes.
So my solution is to make a beepy-ball. I've started investigating hobby electronics as a way of learning some things that I never really understood and getting enough knowledge to make a few little projects that I've "always wanted to do."
Here's the schematic of version 0.1:
Here's the sample board layout:
These are works in progress, and hopefully will be reduced. ·