Temperature is a widely used parameter in the control of various industrial processes, and one of the most common temperature sensors is the thermocouple. In some ways, a thermocouple is an extremely simple sensing element; it consists of two dissimilar metals joined together at a single point and, due to what’s known as the Seebeck [...]
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Sensor Application : Types of Temperature Sensors (Part2)
Resistance Temperature Detectors (RTDs) Another very popular temperature sensor is the resistance temperature detector or RTD. Usually constructed of fine (small diameter) platinum wire wound around a nonelectrically conductive cylinder or mandrel with the entire assembly being coated by a nonconductive material, the resistance of the RTD varies linearly with temperature. By passing a known [...]
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DIGITAL TEMPERATURE SENSOR : SMT16030
Features : Absolute accuracy ± 0.7 °C Linear output within 0.2 °C Resolution better then 0.005 °C Duty Cycle output Calibrated on chip TTL, CMOS compatible Temperature range 175 °C (-45 to +130 °C) Directly connectable to data input of microprocessor Easy multiplexing of multiple sensors Typical applications Heater systems Measuring instruments Washing machines Overheating [...]
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Fire Alarm System
Fire alarm system is a topic that is always interesting to try. This is because it involves a microcontroller, temperature sensor and smoke and programs in the LCD viewer. This application is a demo of the fire alarm using ATmega AVR Microcontroller 8535, which is already available on-chip 10-bit internal ADC with 8 channels. Tools required for [...]
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temperature sensor
LM 35 temperature sensor is the most widely used for practice, because besides the price is cheap, its quite good linearity. LM35 does not require external calibration which provides accuracy of ± ¼ ° C at room temperature and ± ¾ ° C in the range -55 to +150 ° C. LM35 is intended to [...]
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Various Kinds of Sensors
Sensors are devices or electronic components used to transform physical quantities into electrical quantities that can be analyzed by using electrical circuits. Types of sensors can be divided roughly into 2 types: 1. Sensor Physics 2. Chemical Sensor Physical sensors are sensors that detect a quantity based on the laws of physics. Are included into [...]
