Description: This I/O expansion control board is designed for pinball machines to expand the input and output interfaces of the main control system. It integrates an MCP23S17 16-bit GPIO expansion chip and multiple peripheral interfaces for connecting switches, LEDs, sensors, and other game machine components. The board communicates with the main controller through the SPI interface and provides reliable signal and power distribution for various pinball machine peripherals. LJPCB provides one-stop PCB manufacturing and PCB assembly services for gaming and entertainment equipment, including PCB fabrication, component sourcing, SMT assembly, DIP assembly, functional testing, and turnkey PCBA solutions.

Layer	2L	Material Thickness	1.6mm
Surface Finishing	LF HASL	Finished Copper Thickness	1oz
Solder Mask	Blue	Legend Mark	White
Routed OutLIne/Punching	CNC+V-cut	Test Method	Flying Probe Test
Unit Size	86.36*58.42mm	Panel Size	96.36*152.26/3