Create arcade_station_v1.0.6.c
2 Players driver using MCP23017

Interrupts coming from MCP23017 are handled using GPIO inputs. Once an interrupt is received, the driver check both interrupts states: this avoids losing interrupts signals.
Circuit schematic
Update circuit_schematic.txt
merging pull 2 from original fork
Adafruit Retrogame GPIO expansion - MCP23017
author vdownemail