Pressure


 * Pressure **

Burglar alarms, Burglar, fire and safety alarms are electronic alarms designed to alert the user to a specific danger. Sensors are connected to a control unit via low-voltage wiring or a narrowband RF signal which is used to interact with a response device. These types of sensors are designed for indoor use. Outdoor use would not be advised due to false alarm vulnerability and weather durability These types of sensors would be found most of the time mounted on fences or installed on the perimeter of the protected area Robotics, Robotics is the engineering science and technology of robots, and their design, manufacture, application, and structural disposition. Robotics is related to electronics, mechanics, and software. Stories of artificial helpers and companions and attempts to create them have a long history, but fully autonomous machines only appeared in the 20th century. The first digitally operated and programmable robot, the Unimate, was installed in 1961 to lift hot pieces of metal from a die casting machine and stack them.