TZDuino

Discussions about Sinclair ZX80 and ZX81 Hardware
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8008guy
Posts: 53
Joined: Mon May 14, 2018 11:26 pm

TZDuino

Post by 8008guy »

Is anyone familiar with this build:

https://modelrail.otenko.com/arduino/ms ... e-casduino

The link for the audio amp filter is broken. I have no issues with the audio amp, just curious what the filter was, maybe bandpass? A schematic would be helpful.

Cheers,

len
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