Raspberry Pi - Slot Machine

What are some other ways I can use the Raspberry Pi besides raspberry pi slot machine Raspberry Pi raspberry pi slot machine Arcade Joystick Raspberry Pi Slot Machine Coordinate Switch XY Control Direction Switch : : PC & Video Games

raspberry pi pcie slot coin slot GND --------20k--------- RPi GND pin 39 Output when i insert 10 php coin that is program 5 pulses to the coin slot machine Code: Select all 1 2 3