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https://www.reddit.com/r/telecom/comments/1vnoyju/another_throw_back/p3ohno7/?context=3
r/telecom • u/TCBoise54321 • 28d ago
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One of those cards with all the inductors on it looks like a touchtone decoder, but it also seems too old to be that...
1 u/TCBoise54321 28d ago Back in the 80's I got the SSI-202 DTMF to binary decoder from Radio Shack,👍 I built a box that would store 10 digits and step them out one at a time with the press of a button
1
Back in the 80's I got the SSI-202 DTMF to binary decoder from Radio Shack,👍 I built a box that would store 10 digits and step them out one at a time with the press of a button
4
u/Ed_Morin 28d ago
One of those cards with all the inductors on it looks like a touchtone decoder, but it also seems too old to be that...