QTR-8RC Line Following Reflectance IR Sensor Array
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Category: IR Sensors
SKU: 1521
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₹188
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(13 customer reviews)
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QTR-8RC is a reflectance sensor array but intended as a line sensor. It can be used as a general-purpose proximity IR or reflectance sensor. The device has 8 pairs of IR LEDs and phototransistors mounted on a 9.525 mm pitch.
Each phototransistor in the module is followed by a pull-up resistor that forms a voltage divider and produces an analog voltage output between 0 to 5V as the function of the reflectance sensor. All the outputs are independent but LEDs are paired to halve the current consumption. The LEDs are controlled by MOSFET with a gate normally pulled high that allows LEDs to turn off by setting the MOSFET gate at low voltage.
Features:
No analog to digital conversion requires.
Improved sensitivity over voltage-divider analog output.
A parallel reading of multiple sensors is possible.
Specification:
Operating voltage: 3.3 to 5V
Current supply: 100mA
Output voltage range: 0V to supplied voltage
Output format: 8 digital I/O compatible signal
Sensing distance: 3mm
Maximum sensing distance: 9.5mm
Application:
Line following robot
DIY electronics and robotics projects
Package Includes:
1 x QTR-8RC Line Following Reflectance IR Sensor Array.
1 x Burg strip.
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