Sensor

sensor

What is a sensor? A sensor is a device that detects and responds to some type of input from the physical environment. An electronic sensor is an electronic device used to measure a physical quantity such as temperature, pressure or loudness and convert it into an electronic signal. Types of sensors Proximity Sensor: most commonly … Read moreSensor

Cellular Network

cellular network

What is cellular network? A cellular network is a radio network distributed over land through cells where each cell includes a fixed location transceiver known as base station. It uses a combination of radio transmission and conventional telephone and data switching to permit communication to and from mobile users within a specified area. Network generations … Read moreCellular Network

GPS (Global Positioning System)

gps

What is GPS (Global Positioning System)? GPS is used as a navigation and positioning tool in airplanes, boats, cars, and for almost all outdoor recreational activities such as hiking, fishing, and kayaking. In the scientific community, it plays an important role in the earth sciences. It is a satellite-based navigation system consisting of a network … Read moreGPS (Global Positioning System)

Battery

battery

What is a smartphone battery? A smartphone battery (cell phone battery, accumulator) is the main source of power for this device. Types of cell phone batteries. Nickel-cadmium (NiCd) batteries NiMH (NiMH) batteries Lithium-ion (Li-ion) batteries Lithium Polymer (Li-pol) batteries Talking about battery capacity, it is a measure that indicates how much electricity this battery can … Read moreBattery

Camera

camera

What are the features of a smartphone camera? Modern smartphones come with cameras either at the rear or front. It is important to understand what each of the means and how useful they can be.   Image Signal Processor (ISP) The Image Signal Processor (ISP) is an important aspect of a digital camera. It is … Read moreCamera

WLAN (Wireless Land Area Network)

wlan

What is WLAN (Wireless Land Area Network)? WLAN Stands for Wireless Local Area Network. A WLAN, or wireless LAN, is a network that allows devices to connect and communicate wirelessly. It is a wireless distribution method for two or more devices that use high-frequency radio waves and often include an access point to the Internet. … Read moreWLAN (Wireless Land Area Network)