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The integrated circuit sensor may come in a variety of interfaces — analogue or digital; for digital, these could be Serial Peripheral Interface, SMBus/I 2 C or 1-Wire.. In OpenBSD, many of the I 2 C temperature sensors from the below list have been supported and are accessible through the generalised hardware sensors framework [3] since OpenBSD 3.9 (2006), [4] [5]: §6.1 which has also ...
Precision Fahrenheit temperature sensor, 0.5 °F accuracy [89] LM35 No Precision Celsius temperature sensor, 0.25 °C accuracy [90] LM45 No Precision Celsius temperature sensor, 2 °C accuracy [91] LM50 No Single supply Celsius temperature sensor, 2 °C accuracy [92] LM56 No Dual output resistor programmable thermostat with analog temperature ...
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An NTC is commonly used as a temperature sensor, or in series with a circuit as an inrush current limiter. With PTC thermistors, resistance increases as temperature rises; usually because of increased thermal lattice agitations, particularly those of impurities and imperfections. PTC thermistors are commonly installed in series with a circuit ...
In circuit theory, a hypothetical element that maintains a specified voltage between its terminals independent of the current through it. voltage spike A transient electrical voltage higher than normal appearing on an electrical supply. voltage-to-current converter A circuit that produces an output current proportional to an input voltage. volt ...
A circuit that forces I C1 and I C2 to have a fixed N:1 ratio, [2] gives the relationship: = An electronic circuit, such as the Brokaw bandgap reference, that measures ΔV BE can therefore be used to calculate the temperature of the diode. The result remains valid up to about 200 °C to 250 °C, when leakage currents become large enough to ...
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