Search results
Results from the WOW.Com Content Network
PIR sensors identify abrupt changes in temperature at a given point. As an intruder walks in front of the sensor, the temperature at that point will rise from room temperature to body temperature and then back again. This quick change triggers the detection. PIR sensors designed to be wall- or ceiling-mounted come in various fields of view ...
Occupancy sensor types include: PIR sensors, which work on heat difference detection, measuring infrared radiation.Inside the device is a pyroelectric sensor which can detect the sudden presence of objects (such as humans) who radiate a temperature different from the temperature of the background, such as the room temperature of a wall.
A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. An indoor light switch equipped with PIR-based occupancy sensor [1] A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically activated lighting ...
The consumer price index (CPI) is the official measure of inflation in South Africa. One variant, the consumer price index excluding mortgage costs (CPIX), is officially targeted by the South African Reserve Bank [ 1 ] and a primary measure that determines national interest rates.
Schematic of an omnidirectional camera with two mirrors: 1. Camera 2. Upper Mirror 3. Lower Mirror 4. "Black Spot" 5. Field of View (light blue) In photography, an omnidirectional camera (from "omni", meaning all), also known as 360-degree camera, is a camera having a field of view that covers approximately the entire sphere or at least a full circle in the horizontal plane.
A short-necked recyclable beer-bottle with a rounded body; the word is a nickname for a person who is short and fat. It used to be 12 Imperial ounces [341 ml] (3/5 of an Imperial pint), like the Canadian "stumpy" beer bottles. It was rounded down to 340 ml when South Africa converted to the metric system in 1970.
The R360 is a Regional Route in the Northern Cape of South Africa that connects Upington with the Kalahari Gemsbok National Park (part of the Kgalagadi Transfrontier Park) and the Namibian border. It passes through Askham and Andriesvale .
Country GDP (PPP) per capita (2022, 2022 US$) [1] [failed verification] Algeria 13,715 Angola 7,360 Benin 3,767 Botswana 19,287 Burkina Faso 2,461 Burundi 791 Cape Verde