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The Samsung Galaxy A21s has a four camera setup arranged in an "L" shape located in the corner with a rectangular protrusion similar to that of the iPhone 11 and the Pixel 4. The array consists of a 48 MP wide angle camera, an 8 MP ultrawide camera, a 2 MP macro camera , and a 2 MP depth sensor. [ 3 ]
4 cell from A123 Systems for radio control hobby use. Also used in larger, high-powered LED flashlights and some electronic cigarettes. This size is sometimes used in devices that can take either one 26650 or three AAA cells in series in a cylindrical 3-cell battery carrier. 26700: 4,000-5,000 26: 70 LiFePO4 cells. 26800: 5,500–6,800 [229] 26 80
This is a special variant of the Molex KK connector with four pins but with the locking/polarisation features of a three-pin connector. The additional pin is used for a pulse-width modulation (PWM) signal to provide variable speed control. [26] These can be plugged into 3-pin headers, but will lose their fan speed control.
The sense pin is used to relay the rotation speed of the fan and the control pin is an open-drain or open-collector output, which requires a pull-up to 5 V or 3.3 V in the fan. Unlike linear voltage regulation, where the fan voltage is proportional to the speed, the fan is driven with a constant supply voltage; the speed control is performed by ...
A battery management system (BMS) is any electronic system that manages a rechargeable battery (cell or battery pack) by facilitating the safe usage and a long life of the battery in practical scenarios while monitoring and estimating its various states (such as state of health and state of charge), [1] calculating secondary data, reporting that data, controlling its environment ...
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
SpeedFan is a system monitor for Microsoft Windows that can read temperatures, voltages and fan speeds of computer components. [3] It can change computer fan speeds depending on the temperature of various components. [1] [4] The program can display system variables as charts and as an indicator in the system tray.
The first models to be introduced were the 12-metre low-floor intercity bus NÜ xx3 (A20) in 1996, the 12-metre city bus NL xx3 (A21) in 1997 and the articulated NG xx3 (A23) in 1998. As with former MAN bus models the power-rating made up part of the model name, giving the NÜ-series buses with power-ratings of 260 and 310 hp model names NÜ ...