Design of Multifunctional Pomodoro Timer on MCU

Pomodoro timer is the main tool of pomodoro technique. Mechanical timer or software timer will be subject to the environment. Pomodoro timer on SCM will be suitable for any place,which will be set to multiple modes for the individual needs and the actual scene. The flexible functions following pomodoro technique will also be added to the multi-function pomodoro timer. Hardware and software design principle and programs are described.