Coin slot no input to rasp pi

Devil's Bargain Slot Machine using Raspberry Pi and Arduino raspberry pi slot machine How I made a slot machine using the Raspberry Pi and Python Recently I made a slot machine with a Raspberry Pi, LEDs, a homemade coin slot raspberry pi 4 pcie slot microSD card slot for main storage; 40-pin expansion header; Micro-USB port Raspberry Pi Many popular AI frameworks like TensorFlow, PyTorch, Caffe

raspberry pi slot machine I took an old broken Vegas slot machine, removed the circuit boards, CRT, and florescent light