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srl295 / retro-pots-fone-hw

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Electrical theory #2

Open srl295 opened 5 years ago

srl295 commented 5 years ago

Add links here

https://mysite.du.edu/~jcalvert/tech/phones.htm

srl295 commented 5 years ago

ICs https://www.digikey.com/catalog/en/partgroup/phone-line-interface/12683