How to configure “number:” settings

All of the physical “hardware” mechanisms in MPF config files have a number: setting which is used by the hardware platform to know which device is which.

Since MPF supports many different types of hardware, the exact way you configure the “number” entry depends on what type of device and what type of hardware you’re using.

We have full guides that explain it all in the hardware controller documentation, but here are the links all in one place to make it easy.