{"product_id":"ir-wireless-remote-control-kit-hx1838-17key-38khz-arduino","title":"IR Wireless Remote Control Kit — HX1838 Receiver, 17-Key Remote, 38kHz, Arduino","description":"\u003ch2\u003eIR Wireless Remote Control Kit — HX1838 Receiver + 17-Key Remote, 38kHz\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eIR wireless remote control kit\u003c\/strong\u003e includes a \u003cstrong\u003e17-key infrared remote\u003c\/strong\u003e and an \u003cstrong\u003eHX1838 IR receiver module\u003c\/strong\u003e, operating at the standard \u003cstrong\u003e38kHz carrier frequency\u003c\/strong\u003e. Compatible with Arduino, Raspberry Pi, and ESP32, it enables wireless control of LEDs, motors, relays, and any GPIO-driven device with a range of up to \u003cstrong\u003e8 meters\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIR Receiver IC\u003c\/td\u003e\n\u003ctd\u003eHX1838 (VS1838B compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrier Frequency\u003c\/td\u003e\n\u003ctd\u003e38kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReception Range\u003c\/td\u003e\n\u003ctd\u003eUp to 8m (line of sight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReception Angle\u003c\/td\u003e\n\u003ctd\u003e±45°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Output\u003c\/td\u003e\n\u003ctd\u003eDigital (active-low pulse, NEC protocol)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Protocol\u003c\/td\u003e\n\u003ctd\u003eNEC (32-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Battery\u003c\/td\u003e\n\u003ctd\u003eCR2025 \/ CR2032 (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Keys\u003c\/td\u003e\n\u003ctd\u003e17 (0–9, CH−\/CH\/CH+, VOL−\/VOL+, EQ, 100+, 200+, Play\/Pause)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This IR Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNEC Protocol\u003c\/strong\u003e — Most widely supported IR protocol; compatible with IRremote Arduino library out of the box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8m Range\u003c\/strong\u003e — Reliable control across a room without line-of-sight precision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHX1838 Receiver\u003c\/strong\u003e — Built-in bandpass filter and demodulator; outputs clean digital signal directly to MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Pin Interface\u003c\/strong\u003e — VCC, GND, DATA — connects to any Arduino analog or digital pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17 Unique Keys\u003c\/strong\u003e — Enough for menu navigation, volume control, and custom function mapping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino IR remote-controlled LED dimmer or RGB controller\u003c\/li\u003e\n\u003cli\u003eWireless relay and appliance control\u003c\/li\u003e\n\u003cli\u003eRobot car direction control (forward\/back\/left\/right)\u003c\/li\u003e\n\u003cli\u003eIR-controlled servo or stepper motor\u003c\/li\u003e\n\u003cli\u003eHome automation IR blaster\/receiver\u003c\/li\u003e\n\u003cli\u003eTV\/AC remote signal decoding and re-transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino Library \u0026amp; Setup\u003c\/h3\u003e\u003cp\u003eInstall \u003cstrong\u003eIRremote\u003c\/strong\u003e library by shirriff (Arduino Library Manager). Connect HX1838 DATA pin to digital pin 11 (default). Use \u003ccode\u003eIrReceiver.decode()\u003c\/code\u003e to read NEC codes. Each of the 17 keys has a unique 32-bit hex code.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this receiver with other IR remotes (TV, AC)?\u003c\/strong\u003e\u003cbr\u003eA: Yes — HX1838 receives any 38kHz IR signal. Use IRremote library to decode NEC, Sony, RC5, RC6, and other protocols.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What’s the difference between HX1838 and VS1838B?\u003c\/strong\u003e\u003cbr\u003eA: Electrically equivalent — same pinout, same 38kHz center frequency, same output logic. Interchangeable in all circuits.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1× HX1838 IR Receiver Module\u003c\/li\u003e\n\u003cli\u003e1× 17-Key IR Remote Control (with battery)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991488647403,"sku":"\u003cnone\u003e","price":8.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/hx1838-ir-remote-module.webp?v=1761535893","url":"https:\/\/keszoox.com\/products\/ir-wireless-remote-control-kit-hx1838-17key-38khz-arduino","provider":"Keszoox","version":"1.0","type":"link"}