Anatomy of a Photoeye
One of my first projects when I was in engineering school was to make a coin counter that would detect the size of various coins as they rolled down a ramp and total up the denominations. The circuitry was fairly …
One of my first projects when I was in engineering school was to make a coin counter that would detect the size of various coins as they rolled down a ramp and total up the denominations. The circuitry was fairly …
