This board is a complete redesign of the stepper motor driver PCB found on some Williams System 11 and WPC pinball games.

• Bad Cats, Cyclone, Diner, Jokerz, Riverboat Gambler
• Pinball Circus, Scared Stiff

Advanced motor control provides for more torque power Integrated braking keeps motor cool when motor is idle Auxiliary 12V power port for after market mods Status LEDs for easy diagnostics User serviceable with transistors that are replaceable with thru-hole equivalents!

Great Lakes Modular offers a 6-month limited warranty for this product against all workmanship defects! This warranty does not cover any damage caused from installation, modification, or use!

Liability Information

This product was designed as an aftermarket retro-fit into specific pinball machines only! Because Great Lakes Modular has no control over the conditions surrounding the installation and use of this product, the end user shall assume all liability and agrees to fully indemnify Great Lakes Modular and its agents, for any and all damages resulting from the installation and/or use of this product.

Should you encounter any problems with the opto board, please email us first! We will try to help as best we can to get the board installed and working!