{"product_id":"ky-005-infrared-ir-transmitter-module-940nm-for-arduino","title":"KY-005 Infrared IR Transmitter Module – 940nm for Arduino","description":"\n\u003ch2\u003eKY-005 Infrared IR Transmitter Module – 940nm IR Emitter for Arduino\u003c\/h2\u003e\n\n\u003cp\u003eBuy the \u003cstrong\u003eKY-005 Infrared IR Transmitter Module\u003c\/strong\u003e online in Pakistan from \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e. This compact infrared emitting module is designed for Arduino, ESP32, Raspberry Pi, remote control projects, robotics, and DIY electronic applications.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKY-005 IR Transmitter\u003c\/strong\u003e features an infrared LED that emits invisible light at approximately 940nm. When driven with the appropriate digital signals, it can transmit infrared commands to compatible receivers used in televisions, air conditioners, audio equipment, and other remote-controlled devices.\u003c\/p\u003e\n\n\u003cp\u003eWith a compact PCB design and simple connection interface, the KY-005 is a practical option for experimenting with infrared communication, smart home automation, and microcontroller-based remote control systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKY-005 infrared transmitter module\u003c\/li\u003e\n\u003cli\u003e940nm infrared LED emitter\u003c\/li\u003e\n\u003cli\u003eSupports commonly used 38kHz IR remote-control modulation\u003c\/li\u003e\n\u003cli\u003eSuitable for Arduino and compatible microcontrollers\u003c\/li\u003e\n\u003cli\u003eCan be used with ESP32 and Raspberry Pi with appropriate interfacing\u003c\/li\u003e\n\u003cli\u003eCompact PCB with three connection pins\u003c\/li\u003e\n\u003cli\u003eCompatible with suitable IRremote software libraries\u003c\/li\u003e\n\u003cli\u003eUseful for transmitting remote-control commands\u003c\/li\u003e\n\u003cli\u003eSupports short-range line-of-sight infrared communication\u003c\/li\u003e\n\u003cli\u003eCan be paired with a KY-022 IR receiver\u003c\/li\u003e\n\u003cli\u003eSuitable for DIY home automation projects\u003c\/li\u003e\n\u003cli\u003eSimple construction for educational electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e KY-005 Infrared IR Transmitter Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KY-005\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternative Designation:\u003c\/strong\u003e HW-489 on some versions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Infrared Transmitter \/ IR Emitter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmitter:\u003c\/strong\u003e Infrared Light-Emitting Diode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission Wavelength:\u003c\/strong\u003e Approximately 940nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical LED Forward Voltage:\u003c\/strong\u003e Approximately 1.1V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical LED Forward Current:\u003c\/strong\u003e 20mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Controller Logic:\u003c\/strong\u003e 3.3V or 5V with appropriate current limiting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon IR Carrier Frequency:\u003c\/strong\u003e 38kHz, generated by the controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e One-Way Infrared Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Three-Pin Interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate PCB Size:\u003c\/strong\u003e 18.5 × 15mm, depending on version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Modulated Infrared Light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Platforms:\u003c\/strong\u003e Arduino, ESP32, Raspberry Pi and Other Suitable Controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino infrared remote control projects\u003c\/li\u003e\n\u003cli\u003eDIY television remote transmitters\u003c\/li\u003e\n\u003cli\u003eAir conditioner control projects\u003c\/li\u003e\n\u003cli\u003eSmart home automation systems\u003c\/li\u003e\n\u003cli\u003eInfrared communication between microcontrollers\u003c\/li\u003e\n\u003cli\u003eRobotics and embedded electronics\u003c\/li\u003e\n\u003cli\u003eIR remote-control experiments\u003c\/li\u003e\n\u003cli\u003eShort-range optical communication\u003c\/li\u003e\n\u003cli\u003eIR transmitter and receiver demonstrations\u003c\/li\u003e\n\u003cli\u003eEducational Arduino starter projects\u003c\/li\u003e\n\u003cli\u003eElectronic switching through compatible IR receivers\u003c\/li\u003e\n\u003cli\u003eWireless command transmission using infrared light\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow Does the KY-005 Infrared Transmitter Work?\u003c\/h3\u003e\n\n\u003cp\u003eThe KY-005 contains an infrared light-emitting diode that produces invisible infrared light when driven by an appropriate electrical signal.\u003c\/p\u003e\n\n\u003cp\u003eA microcontroller can switch the IR LED rapidly to transmit modulated commands. Many consumer remote-control protocols use a carrier frequency around 38kHz.\u003c\/p\u003e\n\n\u003cp\u003eBy using compatible software libraries and correctly encoded signals, the KY-005 can transmit commands to suitable infrared receiver circuits.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The KY-005 does not generate a 38kHz carrier automatically. The connected controller or driver circuit must provide the appropriate signal.\u003c\/p\u003e\n\n\u003ch3\u003eKY-005 and KY-022 Infrared Communication\u003c\/h3\u003e\n\n\u003cp\u003eThe KY-005 can be paired with the \u003cstrong\u003eKY-022 Infrared Receiver Module\u003c\/strong\u003e to create a simple infrared communication system.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKY-005:\u003c\/strong\u003e Transmits infrared signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKY-022:\u003c\/strong\u003e Receives compatible infrared signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrocontroller:\u003c\/strong\u003e Generates, interprets, and processes command data.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUsing these modules together, students and developers can create basic infrared communication and remote-control projects.\u003c\/p\u003e\n\n\u003ch3\u003eArduino Compatibility\u003c\/h3\u003e\n\n\u003cp\u003eThe KY-005 is commonly used with Arduino UNO, Arduino Nano, Arduino Mega, and other compatible development boards.\u003c\/p\u003e\n\n\u003cp\u003eArduino's IRremote library supports transmission of several popular infrared remote-control protocols, including NEC and RC5.\u003c\/p\u003e\n\n\u003cp\u003eThe module can be connected to an appropriate microcontroller output through the required current-limiting arrangement.\u003c\/p\u003e\n\n\u003cp\u003eThe exact wiring depends on the KY-005 PCB version. Some boards include a provision for an onboard resistor, while others require an external series resistor.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Current-Limiting Resistors\u003c\/h3\u003e\n\n\u003cp\u003eFor KY-005 modules using the basic infrared LED configuration, common reference values are:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3V Logic:\u003c\/strong\u003e Approximately 120-ohm series resistor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5V Logic:\u003c\/strong\u003e Approximately 220-ohm series resistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese values are reference recommendations for the documented LED configuration. Verify the actual module circuit and the microcontroller GPIO current limits before connecting.\u003c\/p\u003e\n\n\u003ch3\u003eInfrared Remote Control Applications\u003c\/h3\u003e\n\n\u003cp\u003eThe KY-005 can be used to transmit appropriate commands to compatible devices that accept infrared remote-control signals.\u003c\/p\u003e\n\n\u003cp\u003eExamples include selected televisions, audio receivers, air conditioners, and other appliances.\u003c\/p\u003e\n\n\u003cp\u003eCompatibility depends on the receiving device's infrared protocol, carrier frequency, and command codes. Not every infrared-controlled appliance will respond to the same signals.\u003c\/p\u003e\n\n\u003ch3\u003eKY-005 vs KY-022\u003c\/h3\u003e\n\n\u003cp\u003eAlthough both modules are used for infrared communication, they have different functions:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKY-005 IR Transmitter:\u003c\/strong\u003e Emits infrared light signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKY-022 IR Receiver:\u003c\/strong\u003e Detects and demodulates compatible infrared remote-control signals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe KY-005 is not an infrared obstacle sensor and cannot detect objects by itself.\u003c\/p\u003e\n\n\u003ch3\u003eAdvantages of the KY-005\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Easy to incorporate into small electronics projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMicrocontroller Compatibility:\u003c\/strong\u003e Suitable for many Arduino and embedded development applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInfrared Communication:\u003c\/strong\u003e Enables short-range command transmission without radio-frequency hardware.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEducational Value:\u003c\/strong\u003e Useful for learning infrared modulation, communication protocols, and digital control.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suitable for robotics, remote control projects, and smart home experiments.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Usage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe KY-005 is an infrared transmitter, not a receiver or distance sensor.\u003c\/li\u003e\n\u003cli\u003eInfrared radiation from the LED is invisible to the human eye.\u003c\/li\u003e\n\u003cli\u003eUse suitable current limiting to prevent LED damage.\u003c\/li\u003e\n\u003cli\u003eCheck the actual module's pinout before connecting power.\u003c\/li\u003e\n\u003cli\u003eDo not assume the middle pin is VCC; some KY-005 versions have a different resistor and ground arrangement.\u003c\/li\u003e\n\u003cli\u003eObserve the current limits of your controller's GPIO pins.\u003c\/li\u003e\n\u003cli\u003eUse an appropriate transistor driver if the required LED current exceeds GPIO capability.\u003c\/li\u003e\n\u003cli\u003eTransmission range depends on LED drive current, alignment, ambient lighting, and receiver sensitivity.\u003c\/li\u003e\n\u003cli\u003eInfrared communication generally requires a clear optical path.\u003c\/li\u003e\n\u003cli\u003eA separate IR receiver module is required to receive commands.\u003c\/li\u003e\n\u003cli\u003eDo not stare directly into the infrared LED at close range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuy KY-005 IR Transmitter Module in Pakistan\u003c\/h3\u003e\n\n\u003cp\u003eLooking for a \u003cstrong\u003eKY-005 Infrared IR Transmitter Sensor Module in Pakistan\u003c\/strong\u003e? Shop online at \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e for infrared transmitter modules, IR receivers, Arduino sensors, microcontrollers, robotics components, and electronic accessories.\u003c\/p\u003e\n\n\u003cp\u003eThe KY-005 is suitable for students, makers, electronics technicians, and developers working on remote-control and infrared communication projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder your KY-005 IR Transmitter Module from Robostan.pk\u003c\/strong\u003e with nationwide delivery across Pakistan, including Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, and other cities.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRobostan.pk – Build. Innovate. Create.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"ROBOSTAN","offers":[{"title":"Default Title","offer_id":68373762802030,"sku":null,"price":100.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/7391\/8062\/files\/ChatGPTImageNov13_2026_04_12_30PM-2.png?v=1794568882","url":"https:\/\/robostan.pk\/products\/ky-005-infrared-ir-transmitter-module-940nm-for-arduino","provider":"ROBOSTAN","version":"1.0","type":"link"}