open dial mobile phone available
Justine Haupt prepared an open cell phone equipped with a rotary dialer. PCB diagrams for KiCad CAD, STL models for 3D printing of the case, specifications of the components used and firmware code are available for download, allowing any enthusiast to assemble the device themselves. To control the device, an ATmega2560V microcontroller with firmware prepared in the Arduino IDE is used. To interact with cellular networks it is used [...]