The difference between digital and analog is that digital tells you a discrete value. Analog makes you interpret the value.
There is no requirement for digital devices to have any electronics in them although it is far easier to do many things if it does.
This ball counter will tell you exactly how many balls have passed with good reliability.
I get that you don't believe I'm actually building the world's BEST backyard coaster. Well, It's not finished yet, but we are making progress. Here are some pictures to prove it. Kiddo's...
A number of years ago, I heard that if you ever want to build your dream home; you will need to do it at least twice. Why, you learn things the first time and make adjustments. The same is true for...
