This is a design done in the school design practice, for learning and reference only.

This product is designed for hand electric drill in home environment. In the domestic hand electric drill market is generally instrumental and professional, consumers' aesthetics for hand electric drills are also constantly improving. At the same time, the demand for home hand electric drills is also expanding, forming a market gap.
The design of the product, in terms of appearance, pursues simplicity and man-machine comfort.
Functions include LED lighting, detachable battery, continuously variable speed, torque adjustment and mobile phone link.

The main functions of the mobile phone Internet of Things are:
1) Display of basic information such as power, torque, and rotation speed.
2) Mode selection (precision object disassembly mode, punching mode, large home disassembly mode).
3) Precise control (the disassembly and assembly of some products have strict regulations on torque, especially precision electronic products).
4) Maintenance guidance (detailed guidance can be given for common products or designated products).
5) Electric screwdriver, stepless variable speed adjustment (basic requirements for different mode switching), torque adjustment, forward and reverse adjustment, battery disassembly and assembly, long-lasting endurance, drill chuck replacement (many functions need to be achieved by replacing the drill bit)