Mechanical locking and limited-slip differentials use gears and geometry to manage wheel speed, but electronics provide more subtle control.

Locking hubs are a really important part of four-wheel drive systems: They're there to help drivers switch between two-wheel drive and 4WD.While many modern 4x4s now use automatic systems, the ...

Abstract: Traditional key-based locking systems are progressively being replaced by more effective and cutting-edge technological solutions in the security and access control domain. The design and ...

Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

A common component used on walk-in coolers, freezers, and other refrigeration equipment is the liquid line solenoid. It is a fluid control device that is used to stop the flow of refrigerant to an ...

Shoppers can’t stand when toothpaste, deodorant and other items are locked up behind glass display cabinets at stores. Customers, accustomed to taking whatever they want off a shelf, don’t like to ...

Megan Cerullo is a New York-based reporter for CBS MoneyWatch covering small business, workplace, health care, consumer spending and personal finance topics. She regularly appears on CBS News 24/7 to ...

The Door Lock System uses EM-18 Reader and Keypad to unlock the door and will decline the entry if the entered password or scan card is incorrect.

Whether you work in an office full of people, or you have roommates, or you just don’t want anyone snooping on your computer, it’s a good idea to always lock your PC when you aren’t using it. Now, ...