TCRT5000 as a sensor

The TCRT5000 is widely used throughout the world as a proximity sensor. It is nothing but a pair of a photodiode and a IR (Infrared) LED in a special packed form.

This is set of transmitter (Infrared LED) and receiver (Phototransistor). In actual, the terminal diagram of this sensor is given by

 As we see one of the edge of this sensor (Marked in Red). This is the key to recognize the terminology of pin diagram. Hold this sensor vertically with this cutted edge as

At the very left side, connect one end of a resistor having value 220 (Ohm) and another terminal to 5V supply. The transmitter LED consumes current of 60 mA.

For receiver circuit, connect one end of a resistor (10K Ohm) and another end of resistor with the same 5V. Refer the following circuit diagram-

This circuit works 100% because I have verified it. This is also compatible with ARDUINO  development boards.

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EVERYTHING AND EVERYONE IS YOUR TEACHER, UNLESS YOU ARE A POOR STUDENT.

                        - BRYANT MCGILL

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