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All through hole components!

All IC's socketed!

All outputs have 2 screw terminals!

All outputs have LED status!

All inputs have 2 screw terminals!

All inputs have LED status!

The board pictured is setup for the Bridgeport BOSS early series stepper motor machines. I have a proto type board of this design that has been in operation since 1991.

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Spindle speed module ready to be potted.

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Trumpet Playing 1

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Professional solder mask and silkscreen PCB

Thanks for dropping by and taking a look at my photos. Please get in touch with any comments or reactions!