Using Coinslot's SET pin(TOP only) to enable/disable accepting coins
For extra protection, please add 20k ohms resistor or a series of 2pcs 10k resistors to the SET line.
These are the BCM-based PIN numbers that we tested and proven working:
17, 22, 23, 24, 27
Restart your machine after this to apply PIN changes
Here's how the SET PIN looks
Use this connector Mini Micro JST 2.0mm PH 2-Pin Connector Plug