Flame Sensor Module 4 Pins Blue Version
EGP 35
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Description The Flame Sensor Module is used to detect an open flame by detecting light that is in the infrared spectrum as produced by an open flame. Package Includes: Flame Sensor Module 4Pin Blue Version Key Features of Flame Sensor Module: High Photo Sensitivity Fast Response Time Sensitivity adjustable Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm. Detection range: up to 80 cm. Adjustable detection range. Detection angle about 60 degrees, it is sensitive to the flame spectrum. Comparator chip LM393 makes module readings stable. Operating voltage 3.3V-5V. Digital and Analog Output. Power indicator and digital switch output indicator. This sensor module is primarily used to detect an open flame. It does this by detecting light that is in the IR (infrared) spectrum which is emitted by a flame. That spectrum is typically in the range of 700-1100nm. This module is similar to a regular IR detector, but with a broader detection range. It can be used as a general IR detector for other applications where a broad detection range is desired. Outputs The module has both an analog output and a digital output with sensitivity adjustment on the module. The Analog output on ‘ A0 ‘ is normally a voltage of approximately 1/2 Vcc when no signal is detected. The actual voltage level will depend on the setting of the sensitivity pot. If a flame is detected, that output voltage will drop towards ground depending on the strength of the IR detected. The Digital output on ‘ D0 ‘ is normally LOW. When IR is detected by the sensor, the output goes HIGH. The sensitivity adjustment can be used to set the trip point. LED2 will light when the output goes HIGH. Module Connections There is a 4-pin header on the assembly. 1 x 4 Header GND / G = Ground ‘+’ = Vcc (3.3 – 5V) A0 = Analog output, connects to analog input on uC D0 = Digital output, connects to digital input on uC Technical Specifications Maximum Ratings Vcc 3.3 – 5V I Max Maximum Current Draw < 7mA Operating Ratings Wavelength 760-1100nm (typical) Dimensions L x W (PCB) 30 x 14mm
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