I found that MDB was a fairly outdated protocol that made communication between the two devices ver difficult The payment terminal i got hold of communicated with a telemetry board via ethernet, and when pluggin in a RPI converter board this didnt really communicate at all. I realised it would be mu...

It appears to me that most of the devices advertised are designed to allow a rpi to act as the cashless payment device, and to connect to a normal vending machine controller. Does anyone know of any hardware that facilitates the opposite? The rpi is the master device that controls the machine, and s...

Hi All I am looking to create a large vending machine for non food items and am interested in suggestions as to the best implementation options. I want the machine to have the following functionality; -A large ~22in (possibly more screen with interactive graphics -Buttons alongside the screen to all...