RotaryCell: Making an unmodified rotary phone work over LTE with an ESP32-S3
jombib
23 points
3 comments
September 01, 2026
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Discussion Highlights (3 comments)
jombib
https://www.reddit.com/r/esp32/s/eSlEHcXbJ0
Trace88
Love seeing old tech brought back to life like this. The tactile experience of dialing is just something else.
andrewstuart
Slightly off topic but you can also use a SLIC module to talk to old phones: https://youtu.be/nibV_idJjlg https://www.ebay.com.au/itm/305557776577