Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
Add the function of timing on the basis of the switch,that can turn off the lights in time when people turn the knob. The design is to protect people from being hurt when the light turned off.
Dalian Jiaotong University
Dalian, China