Display different colors using RGB and IR Module - KT618

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In this project, we will display different colors using RGB Module. The colors of RGB are being differentiated by IR Module.



Arduino IDE 1.8.5 (programmable platform for Arduino)

Click To Download :https://www.arduino.cc/en/Main/Software


RGB Led Module

This LED contains light emitting diodes. A red one, a green one and a blue one. Combining those into one LED will give you a RGB LED. You can all different kind of things with this LED.

IR Receiver Sensor Module

The Arduino IR receiver module reacts to 38kHz infrared light.

It consists of 1838 IR receiver, a 1kΩ resistor and a LED. It works together with the transmitter module as well. It is compatible with popular electronic platforms like Arduino, Raspberry Pi and ESP8266.

  • Operating Voltage: 2.7 to 5.5V
  • Reception Distance: 18m
  • Reception Angle: ±45°
  • Carrier Frequency: 38KHz
  • Low Level Voltage: 0.4V
  • High Level Voltage: 4.5V
  • Ambient Light Filter: upto 500LUX


  • Connect VCC of IR Module with Pin 5V of Arduino Uno.
  • Connect GND of IR Module with GND of Arduino Uno.
  • Connect Pin Signal of IR Module with Digital Pin 9 of Arduino Uno.
  • Connect GND of RGB Module with GND of Arduino Uno.
  • Connect Pin Red of RGB Module with Digital Pin 7 of Arduino Uno.
  • Connect Pin Green of RGB Module with Digital Pin 6 of Arduino Uno.
  • Connect Pin Blue of RGB Module with Digital Pin 5 of Arduino Uno.

NOTE: Here, Pins of Red, Green and Blue can be interchanged which will not affect working of the circuit.




Welcome to the Arduino Based Project which consists of SMD RGB Module and IR Module. The basic working of IR Module is being described here.  An IR sensor can measure the heat of an object as well as detects the motion. These types of sensors measure only infrared radiation, rather than emitting it that is called a passive IR sensor. Usually, in the infrared spectrum, all the objects radiate some form of thermal radiations.

These types of radiations are invisible to our eyes that can be detected by an infrared sensor. The emitter is simply an IR LED (Light Emitting Diode) and the detector is simply an IR photodiode which is sensitive to IR light of the same wavelength as that emitted by the IR LED. When IR light falls on the photodiode, the resistances and these output voltages, change in proportion to the magnitude of the IR light received. Hence, you can control the different colors produced by RGB Module using IR Module.

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