CS Tech DTMF decoder - $10 (Carson City)

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CS Tech DTMF decoder with opto coupled input and relay output.

I have two unassembled kits. Price is for each one.

Details here: https://www.dropbox.com/scl/fi/1wyxuqkik1ov5f4ucnic9/dtmf_opto_details.pdf?rlkey=lo5b65y9civyl497q6s9uids1&dl=1

post id: 7934356624

posted: 2026-05-14 14:16

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CS Tech DTMF decoder - electronics - by owner - sale - craigslist

CS Tech DTMF decoder with opto coupled input and relay output. I have two unassembled kits. Price is for each one. Details here:...