Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
I found the traditional method to drill a precise hole, has many complicated procedures , to make sure the hole is accurate, complex procedures also represents more time, "how deep" is a automatic depth sensing device,due to infrared sensing technology and select the projection technology, users not only can immediately know the depth,but also save time and work more efficiently, infrared circle can help users know whether the electric drill is skewed.
National Taipei University of Technology