AVON pinball driver board

Made for piggy-backing the U-HID microcontroller from Ultimarc.
Features:
19 outputs – should use logic level MOSFETs (solenoids etc.)
27 inputs – from switches etc.
Pulldown resistors on all outputs
Zener diodes to protect back-voltage (never 100% safe)
LED on each channel for determing if an output is high

No longer available! Will soon be replaced by another board.
Note: Used on Astro Attack! game

AVON PINBALL I/O DRIVER BOARD

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