Tiny Cooling Fan design task

SCM "Tiny Cooling Fan" as the core, through digital temperature sensor on the outside ambient temperature data collection in order to establish a control system that allows "Tiny Cooling Fan" with temperature and automatically adjusts the gear change, to achieve "high temperature, wind , low temperature, wind weak "performance. In addition, through the infrared transmitter and receiver, and start button and off various functions, and can be of various functions to achieve remote control, users can set the "Tiny Cooling Fan" minimum operating temperature within a certain range, when the temperature is lower than the When you set the temperature, fan will automatically shut down when the temperature is higher than the fans to start afresh.