fregacmols/RotaryCell

A portable, battery-powered cellular conversion for classic rotary telephones—fully reversible, with no modification to the original phone.

157 best points · 53 comments · 1 Hacker News post · 197 GitHub stars · View on GitHub

Hacker News discussions

• RotaryCell: Making an unmodified rotary phone work over LTE with an ESP32-S3 (157 points, 53 comments, by jombib, 2026-09-01)