Justine Haupt of Sky's Edge, a foreign company, launched DIY style retro non smart phones in 2020, the year of Cyberpunk renaissance. On January 19, it was reported that the DIY mobile phone named Rotary had been sold for 390 dollars, about 2500 yuan.

Although the appearance of Rotary DIY mobile phone is very retro, the configuration of the machine is extremely advanced, and it is also very coquettish. The front is a dial that many people have never touched and do not know how to use. In the latest version, there is also an OLED screen below the dial to display incoming call information. There is a curved e-ink screen with extremely high level on the back, which is used to display incoming call information, contacts and other information, and its signal strength and power are actually displayed in 10 grids (Guzao mobile phones are generally displayed in 4 grids).

MCU board is an Arduino board based on AtMega2560 MCU, which uses Micro SD card to store contact list. With a full-size SIM card (previously used by Nokia and very large) and 2G/3G/4G connection (the cellular module is uBlox TOBY-L2), you can receive SMS messages (after all, there is only a dial, and you cannot reply to SMS messages).

The body is equipped with a microphone and speaker, and has an extremely advanced 3.5mm headphone interface. Its ringtone is sent through the internal brass bell, which is a pure natural and authentic ringtone. Use USB-C port for charging, and also have USB Micro-B interface. The machine body is equipped with two hard coded buttons, which can store quick contacts and dial with one touch.

Rotary display tester

The Rotary DIY mobile phone needs to be assembled with screws (without using electric soldering iron or glue) when it is bought. The price is 390 dollars, about 2500 yuan. It will be delivered before the summer of 2021.

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