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.
Best Reverse Launch Backyard Roller Coaster POV: Widow's Revenge
After months of hard work, its finished. I've reworked my backyard coaster the Black Widow in to the Widow's Revenge. I designed the Black Widow to be intense and I double downed to be the most...
While it may not be glamorous, programming the PLC (Programmable Logic Controller) and HMI (Human Machine Interface) is an integral part of the Tilley's Terror Project. This coaster is going to rival...
