The Rotary Un-Smartphone

5 hours ago

The Rotary Un-Smartphone is a production-ready kit for a cellphone focused on making calls, with all new parts including a custom rotary dial.
It's an advanced build kit (no soldering required) and includes everything needed to make a working phone; users supply their own SIM card (Mini SIM size).
The phone supports LTE (VoLTE) and falls back to 3G; it's compatible with 5G networks as LTE is the backbone, and comes in regional variants with uBlox cellular modems.
Key features include better reception, hard-coded quick dial buttons, contact storage for easy dialing, a rotary dial for novelty, resistance to butt dialing, and ePaper display for contacts.
Designed entirely by Justine Haupt, it's open source, allowing users to build from scratch or order specific parts; a ready-built version may be available in the future.
The battery is replaceable (1000mAh as shipped) with disassembly, and the phone uses an ATMega2560V/1280V microcontroller with an Arduino bootloader.
Additional functional advantages include a physical slide power switch and a microphone cut-off switch for privacy.

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