Coin Operated Group

I'm having trouble posting pictures. I think I have to upload directly to a host or something. i have about 8 of them. Wondering what is the most important for you guys to see? Schematic, is there, but it doesn't say anything about how the coin relay works, just that it should be connected to a 9 pi...

Hi, community, thanks for inviting me to the Forum. I am an electronics technician, and a couple friends of mine asked me for some help with vending machine. The story is this is a Frat house, they bought an old Coca Cola vending machine that they keep in the frat house, that's been sitting there fo...