KY-005 Infrared Transmitter Module

The KY-005 Infrared Transmitter module emits infrared light at 38kHz. It can be used to control TVs, stereos, air conditioners and other devices with IR receivers. It can also be used together with the KY-022 Infrared Receiver module.

Compatible with Arduino, Raspberry Pi, ESP32 and other popular microcontrollers.

KY-005 Specifications

This module is quite simple and consists of a 5mm infrared LED and 3 male header pins. Handle with caution, do not flash IR light directly to the eyes.

Connection Diagram

KY-005 Arduino Code

The following Arduino sketch acts as a TV remote control. It uses the IRremote library to serially send instructions to a TV using infrared light.

In this example, we will send the power command for Sony TVs every 5 seconds, turning the TV on and off 10 times.

Check the IRremote library documentation for supported TV commands and devices. Links to the required libraries can be found in the Downloads section below.

You can also use the KY-022 IR Receiver module to receive and process the signal.

#include <IRremote.h>

IRsend irsend;

void setup()
{
    Serial.begin(9600); // Initialize serial interface
}

void loop() 
{
    for (int i = 0; i < 10; i++) { 
       irsend.sendSony(0xa90, 12); // code for Sony TV power command
       delay(5000); // wait 5 seconds
   }
}

Downloads

• Fritzing Part: KY-005 Infrared Transmitter Module.
• IRremote library.
• Fritzing Official Site.

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