Williams compatible ATMEGA based soundboard

The main board

ATMEGA8 micro-controller, audio amp, voltage reg., 14.318MHz crysal, R2R array and test switch.
The Megasound Board !!
It's based on an Atmel ATMEGA microcontroller so hence the name "Megasound"

Comparison with an original board

  Repro & Original Boards
Quick Notes:

More updates when I get the chance.. which may be sometime in the future

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