Digital IR Sensor Array4 (TCRT5000)

Model : ROB-00162

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Digital IR Sensor Array4 (TCRT5000)

This sensor package is for line following Bot. Every now and then hobbyist who are willing to play with Line following Robot has tough time with the IR sensor arrangement. This is a neat solution for them.

Four TCRT5000 reflective optical sensors have been used here.The LM358 dual OPAMP works as a comparator with two reference voltages set by four POTs.The sensors have 0.5 inch spacing.

Calibration:To calibrate the sensors,you must tune the respective POTs.Connect VCC and GND pins with the power supply and connect SEN1 to SEN4 pins with four LEDs.Keep tuning the POTs until the LEDs glow.

Now,Draw a Black line on a white paper or vice versa.After the proper calibration is done,the LEDs will turn on when the sensors trace black and they will turn off when the Sensors trace white.That means,The output is always either 1(High) or 0(Low).

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Marufuddin | Mar 30,2016 at 12:18 AM
I wanted to buy only these sensors. It was available a few months ago. But this time I couldn't find any.

I want these --
Reflective Optical Sensor - TCRT5000
Nawshad | Apr 6,2016 at 01:50 PM
please give a link about the assembly of this sensor
FAHIM_REAZA | Apr 7,2016 at 12:12 PM
The product is already assembled. Connect +5V to Vcc and GND to GND. Now you can easily read the digital (1 or 0) output from the SEN1, SEN2, SEN3 and SEN4 pins.
Abrarakib | Jan 22,2017 at 01:48 PM
Would you please explain me about it's calibration.I can't understand after reading about it in description
A.R | Jan 22,2017 at 03:26 PM
You have to vary the POTs.
Abrarakib | Jan 22,2017 at 08:34 PM
Can you give me any tutorial link of calibration
A.R | Jan 23,2017 at 11:55 AM
Sorry. We do not have any video on this.

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