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EPROM WAVE PLAYER

As in our lab every device is equipped with a beeper, nobody really
knows, what went wrong if you hear a beeper somewhere. So I decided
to give the devices a 'voice', telling our students what is wrong.

This device uses simple parts which are available almost everywhere.
The PCB measures 100x160 mm. The devices is powered by 9 ... 15 V.

You need an Eprom-writer to successfully build this project.

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