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Universal remote

A universal remote control is a versatile electronic device designed to operate multiple brands and types of , such as televisions, DVD players, cable boxes, and audio systems, by consolidating the functions of several individual remotes into one unit. It achieves this through the transmission of (IR) or (RF) signals that mimic or replicate commands from original device remotes. The concept of universal remotes emerged in the mid-1980s amid the growing complexity of home entertainment systems, which often required users to juggle numerous proprietary remotes. One of the earliest commercial examples was developed by , with a filed in November 1985 for a universal remote unit featuring model code identification to program and control various appliances automatically. This preprogrammed approach allowed the remote to store and send standardized codes for compatible devices. In 1987, Apple co-founder advanced the technology through his company , introducing the CORE remote—the first programmable universal remote capable of "learning" IR signal patterns from existing remotes via a receiver module, enabling it to adapt to new or non-standard devices without predefined codes. Universal remotes operate primarily in two modes: multibrand remotes, which rely on a built-in database of manufacturer codes entered manually or automatically to basic functions across up to four or more devices; and learning remotes, which capture and store signals from original remotes for broader compatibility, often supporting advanced features like macros—sequences of commands triggered by a single button press, such as powering on a TV, , and simultaneously. Modern iterations have expanded to include RF technology for extended range (up to 100 feet) and obstacle penetration via hub extenders, as well as integration with , , and smartphone apps for voice and smart home ecosystems. These developments have made universal remotes essential for simplifying multi-device setups, though challenges like code compatibility and setup complexity persist.

Overview

Definition

A universal remote is a handheld designed to multiple appliances, particularly those in systems such as televisions, DVD players, set-top boxes, and , by emulating the or signals transmitted by original manufacturer remotes. Unlike standard remotes limited to a single or brand, a universal remote consolidates functionality into one unit, reducing clutter and simplifying operation across diverse hardware. Key characteristics of universal remotes include support for numerous brands and communication protocols, allowing them to transmit device-specific codes for functions like power, volume, and channel selection. They often feature programmable buttons or software interfaces for user customization, enabling tailored setups for individual households. In contrast, dedicated remotes are engineered exclusively for one device type or model, lacking the versatility to interface with other equipment. Universal remotes emerged in the as a response to the growing number of separate remotes required for proliferating , with early models developed by companies like and innovators like , such as ' 1985 model and Wozniak's 1987 CORE remote, to streamline control. By 2025, advanced universal remotes leverage extensive databases to support over 500,000 device models, extending compatibility to smart home appliances beyond traditional gear. Most operate primarily via () signals for line-of-sight communication.

Basic Functionality

A universal remote operates by emulating the signals originally transmitted by dedicated remotes, allowing it to issue commands such as powering devices on or off, adjusting , changing channels, or selecting inputs. These remotes store or generate codes that replicate () or other signals, transmitting them to target appliances when a is pressed. This enables a single remote to manage multiple devices without requiring separate controllers for each. Programming a universal remote involves several methods to match it with specific devices. Users can manually enter numeric device codes from provided lists, which correspond to brands and models; alternatively, auto-search functions cycle through pre-loaded codes until the correct one is identified by testing commands. For broader adaptability, some models support a "" or learning mode, where the universal remote captures and stores IR signals directly from an original remote pointed at it. Additionally, programming allows users to assign a single button to execute a sequence of commands, such as activating the TV, amplifier, and in succession with one press. User interaction with a universal remote typically begins with selecting a device mode—such as pressing a "TV," "DVD," or "AUX" button—to switch the and direct subsequent commands to the intended . This mode selection ensures precise targeting among connected devices, often supported by labeled buttons or on-screen menus for intuitive navigation. In practice, this setup simplifies daily use by consolidating controls into one interface. Universal remotes rely on extensive compatibility databases containing pre-loaded codes for thousands of brands and models, enabling broad support across like televisions, set-top boxes, and audio systems. For instance, certain models access libraries covering over 270,000 devices. These databases are updated in modern remotes through manufacturer apps, online downloads, or upgrades, ensuring compatibility with new products. Manufacturers like One For All maintain the world's largest IR code databases, which grow continuously to include emerging brands and functions.

History

Invention and Early Models

The concept of wireless remote control originated in the late 19th century, with demonstrating a radio-controlled boat in 1898 at in . This invention, patented as U.S. Patent No. 613,809, used radio waves to steer a small steel vessel from a distance, marking an early precursor to modern wireless control systems by showcasing the potential for remote operation without physical connections. By the 1930s, practical applications emerged in , notably with 's introduction of the "Mystery Control" in 1939. This battery-powered, wireless remote used transmission to control volume and tuning on select Philco console radios and radio-phonographs, representing one of the first commercial wireless remotes for home entertainment devices. Although limited to audio equipment and requiring line-of-sight operation, it laid groundwork for extending remote functionality to visual media like televisions. The 1950s brought significant advancements tailored to television, driven by . In 1955, engineer Eugene Polley invented the Flash-Matic, the first wireless TV remote, which operated via directed light beams from a flashlight-like device aimed at photocells around the TV screen to control on/off functions and channel selection. This line-of-sight system, however, suffered from interference by room lights and sunlight, limiting its reliability. Zenith addressed these issues in 1956 with the Space Command, developed by , which employed ultrasonic waves generated by mechanical hammers striking aluminum rods in the remote—no batteries were needed in the handset itself. The TV's receiver converted these inaudible sound pulses into commands for volume, channel changes, and muting, making it more robust for indoor use. The 1970s marked a pivotal shift from ultrasonic and light-based systems to infrared (IR) technology, enabling cheaper and more compact designs. IR remotes, utilizing light-emitting diodes to transmit modulated pulses, first appeared for televisions in the late 1970s and gained widespread adoption in the early . These early single-device IR remotes were device-specific, controlling only one such as a TV or VCR, but their affordability—thanks to maturing LED and microchip production—spurred broader adoption in home entertainment setups. As consumer electronics proliferated in the mid-1980s, the need for consolidated control grew, leading to the first universal remote prototypes. At North American Philips Consumer Electronics, engineer William Russell McIntyre, along with colleagues Robin Rumbolt and Larry Goodson, developed an early universal remote in 1985, patented in 1988 as U.S. Patent No. 4,774,511. This device aimed to manage multiple appliances like TVs, VCRs, and stereos through selectable code sets, addressing the clutter of dedicated remotes amid rising device counts in households.

Evolution to Modern Devices

The evolution of universal remotes began in earnest in 1987 with the introduction of the , developed by through his company , marking the first programmable universal remote equipped with an LCD screen that could learn () signals from other devices. This innovation allowed users to consolidate control of multiple devices into one unit, reducing the need for separate remotes and laying the groundwork for programmable functionality in home entertainment systems. The CORE's ability to capture and replicate IR codes represented a significant leap from earlier single-purpose remotes, enabling broader compatibility without predefined device databases. In the 1990s and 2000s, universal remotes expanded in scope and user-friendliness, with the Logitech Harmony series emerging as a pivotal line starting in 2001, initially developed by the Canadian company Intrigue Technologies before Logitech's acquisition in 2004. The Harmony remotes introduced PC-based setup via online databases, allowing users to configure controls for thousands of devices, and pioneered activity-based control, where pressing a single button could power on and adjust multiple components for tasks like "Watch TV." This period also saw widespread adoption of IR learning technology, which enabled remotes to mimic signals from virtually any IR-compatible device, further enhancing compatibility and reducing setup complexity. The marked a shift toward interfaces and expansions, exemplified by the Logitech Harmony Touch released in 2011, which featured a 2.4-inch color for customizable icons and swipe-based navigation, simplifying control for up to 15 devices. Concurrently, hub-based systems gained prominence, integrating (RF) and alongside IR to extend range and support non-line-of-sight control, as seen in later Harmony models like the Hub series introduced around 2013. These developments addressed limitations in traditional IR remotes by enabling integration with emerging smart devices. In the 2020s, the landscape adapted to smart home ecosystems following Logitech's discontinuation of the Harmony line in 2021, which ended new manufacturing but left existing units functional via legacy software. Post-2020 models like the SofaBaton X1S, launched in 2024, emerged as Harmony successors, supporting over 60 IR, Bluetooth, and WiFi devices with app-based customization and voice integration via Alexa or Google Assistant. By 2025, trends emphasize the Matter protocol for interoperability, enabling universal remotes to seamlessly link with diverse smart home devices across brands, as demonstrated in products like Ikea's Matter-compatible remotes and SwitchBot's Universal Remote Matter Combo. This standard addresses fragmentation, promoting unified control in interconnected environments.

Design and Types

Button-Based Remotes

Button-based universal remotes feature a physical design constructed from durable hard housings with rubberized or tactile buttons for reliable handheld use, typically measuring 6 to 8 inches in to fit comfortably in adult hands. These buttons are organized into distinct zones, including a directional pad for , a for direct input, and dedicated selectors for switching between devices such as TVs, DVD players, or sound systems. This zoned arrangement enhances by grouping related functions, reducing accidental presses and improving usability during extended sessions. Layout variations in button-based models emphasize hard-coded buttons for essential operations like power toggling, volume adjustment, and , often positioned prominently at the top or sides for quick thumb access. Secondary commands are accessed via shift or mode keys, allowing a compact to handle multiple functions without overcrowding. Mid-range models, such as those from , incorporate backlighting—typically soft blue LEDs that illuminate the entire when activated—for low-light visibility, though budget variants may omit this feature to keep costs low. These remotes primarily transmit signals via (IR), requiring line-of-sight to the controlled device. Programming these remotes involves manually entering 3- to 5-digit codes from an accompanying or code list, corresponding to specific brands and models, to map button functions accurately. This process supports control of typically 4 to 8 , with users selecting a device key (e.g., TV or AUX) before inputting the code via the setup button. In 2025 budget models like the One For All URC series, the design prioritizes simplicity for non-technical users, featuring enlarged, clearly labeled buttons and straightforward code entry without advanced customization options. These remotes maintain a focus on essential controls, making them ideal for basic home entertainment setups.

Learning and Programmable Remotes

Learning and programmable universal remotes represent an advanced category of devices that enhance adaptability by allowing users to capture and replicate infrared (IR) signals from original equipment remotes, going beyond pre-programmed code libraries. These remotes incorporate a built-in IR receiver, typically operating at a 38 kHz carrier frequency, which detects and demodulates the modulated pulse signals emitted by the original remote during a setup process known as "learning mode." To learn a command, the user positions the original remote in line-of-sight with the universal remote—often within a few inches—and presses the corresponding button on the original device, prompting the universal remote to record the signal's timing, encoding (such as Pulse Distance Modulation or Pulse Width Modulation), and data bits into its non-volatile memory. This process enables the remote to store up to 50-100 codes per device, accommodating the varied commands needed for functions like power, volume, and input selection across multiple appliances. Programmability in these remotes extends functionality through custom and button reassignment, stored either in onboard or via connected software. A is a sequence of pre-recorded commands triggered by a single button press; for instance, a "Watch Movie" macro might sequentially on the , switch to the correct input, dim lights if integrated, and start the streaming . Users can create and edit these macros—often limited to 15-20 steps per sequence—using dedicated buttons or companion apps, allowing personalization such as reassigning keys for frequently used actions. This feature, supported by chips capable of holding over 1,000 IR code libraries for common devices, reduces multi-remote clutter by consolidating operations. Key hardware elements distinguish these remotes, including dedicated learning mode buttons (e.g., a "Learn" or long-press setup key) and expanded memory for signal storage, often paired with microcontrollers for . For example, the SofaBaton U2, released in 2023, features a 1.3-inch display for navigation, supports control of up to 15 and devices, and includes pairing for app-based configuration, with its receiver enabling direct signal capture from originals. Evolving from pioneering models like the 1987 , these remotes prioritize user-friendly adaptability without requiring manual code entry. Hybrid models integrate RF extenders to facilitate non-line-of-sight learning and control, particularly for devices in enclosed spaces like cabinets. These extenders use (e.g., 433 MHz) to relay signals, allowing the universal remote to capture and replicate commands remotely via a or , as seen in devices like the BroadLink RM4 Pro (released around 2020), which combines learning with RF support for over 50,000 appliance codes. This advancement addresses traditional limitations, enabling seamless setup in complex home environments.

Touchscreen and App-Based Remotes

Touchscreen universal remotes incorporate digital displays, such as LCD or screens, that enable customizable user interfaces with virtual buttons and dynamic layouts tailored to specific devices or activities. These models allow users to rearrange on-screen elements, create personalized dashboards, and access contextual controls without relying on fixed physical buttons, enhancing flexibility for complex home entertainment setups. A notable early example is the Touch, released in 2011 and later discontinued, which featured a 2.4-inch color capacitive with a QVGA (320x240) for displaying virtual number pads, battery status, and activity-based interfaces. This remote supported control of up to 15 devices through swipe-and-tap gestures, marking a shift toward more intuitive, button-minimal designs in universal remotes. Modern alternatives include the SwitchBot Universal Remote, launched in 2024, equipped with a 2.4-inch color LCD screen that facilitates similar customization for infrared and devices, along with support for smart home integration, though its utilitarian form prioritizes functionality over aesthetics. App-based universal remote systems extend this digital approach by leveraging software on smartphones or tablets, typically via or platforms, to serve as primary or supplementary controllers through or connections. For instance, Roomie Remote is an iOS-centric app that integrates audio/video control with , supporting on-screen keyboards, voice commands via , and seamless management of TVs, receivers, and smart devices without dedicated hardware. These apps often pair with hubs for broader compatibility, enabling users to consolidate controls into a single interface on their mobile device. Setup for app-based and touchscreen remotes typically involves intuitive drag-and-drop interfaces to define activities, such as "Watch Movie," which sequence commands across multiple devices. As of 2025, the SofaBaton X1S exemplifies this with its app, allowing control of up to 60 devices through one-touch activities, cloud-based database updates for ongoing compatibility, and features like integration for advanced customization. Hybrid variants combine physical remotes with app support for programming; the Logitech Harmony , for example, uses a app on or to configure its hardware buttons and blaster, bridging tactile feedback with software-driven enhancements.

Features and Technology

Control Methods

Universal remotes predominantly employ () as the primary transmission method, utilizing light-emitting diodes (LEDs) to emit pulses of near- light in the 850-950 nm wavelength range. These pulses are modulated at a standard carrier frequency of 38 kHz, which allows receivers to filter out ambient noise from sources like . The encoding of binary commands typically occurs through pulse-distance modulation (PDM) or (PWM), where the duration between or within pulses represents logical 0s and 1s; for instance, in the widely used protocol, a logical 0 is encoded as a µs burst followed by a µs space, while a logical 1 uses a µs burst followed by a 1.69 ms space. IR transmission requires a direct line-of-sight between the remote and the target device, as the signal does not penetrate solid obstacles, with a typical effective range of 5-10 meters depending on environmental factors and transmitter power. Signal structure for IR commands generally consists of 12-32 bit codes, starting with a header burst for (AGC); the protocol, for example, features a 9 ms header burst followed by a 4.5 ms space, then 32 bits comprising an 8-bit address, its inverse, an 8-bit command, and its inverse, providing error detection through redundancy. This structure ensures reliable decoding in like televisions and set-top boxes. For extended functionality beyond line-of-sight limitations, many universal remotes incorporate radio frequency (RF) transmission operating in the 433 MHz or 2.4 GHz bands, enabling control over distances up to 50 meters in open spaces without direct visibility. RF signals often require hubs or extenders to interface with legacy IR-based devices by translating RF commands into corresponding IR pulses. Additional protocols include Bluetooth Low Energy (BLE) for direct pairing with compatible smart televisions and audio systems, offering short-range (up to 10 meters) wireless control without hubs. Wi-Fi enables internet-connected commands for networked devices, while emerging 2025 trends emphasize Zigbee or the Matter standard for low-power mesh networking, facilitating seamless integration across smart home ecosystems with reduced energy consumption.

Integration and Compatibility

Universal remotes achieve broad device compatibility through extensive () code databases that encompass over 500,000 models from more than 6,000 brands, including major manufacturers such as , , and . These databases enable users to program the remote by selecting the device brand and model via companion mobile apps, which facilitate automatic code lookup and setup without manual entry. To maintain relevance with emerging hardware, such as 2025 televisions from and , manufacturers provide over-the-air updates to the app-based databases, ensuring support for newly released devices shortly after launch. Integration with smart home ecosystems extends universal remote functionality beyond traditional AV equipment, allowing centralized control of diverse protocols like IR, radio frequency (RF), Wi-Fi, and Bluetooth. Hubs such as BroadLink RM4 Pro and SwitchBot Hub Mini serve as bridges, translating remote commands to compatible smart assistants including Amazon Alexa and Google Assistant, while partial HomeKit support is available through select configurations. The Matter standard, introduced in 2023 by the Connectivity Standards Alliance, further enhances interoperability by enabling cross-platform control; for instance, a Matter-compatible universal remote like the SwitchBot Universal Remote can manage Philips Hue smart lights alongside Roku streaming devices within a unified ecosystem. For setups where devices are concealed, such as in cabinets or behind walls, RF-based hubs with IR extenders overcome line-of-sight limitations of direct IR transmission. The SofaBaton X1 hub, for example, employs RF communication from the handheld remote to the hub, which then broadcasts IR signals via included blasters, providing 360-degree coverage up to 40 feet and ensuring reliable control of hidden audiovisual components. This extender architecture supports multi-room or complex installations without requiring visible device placement. Despite these advancements, challenges persist in 2025 with proprietary protocols like (Consumer Electronics Control), which allows devices to communicate over cables but suffers from inconsistent implementation across brands, leading to unreliable one-remote control for power, volume, and input switching. As a result, users often resort to hybrid setups combining universal remotes with native device controls or additional hubs to achieve full functionality, particularly in mixed-brand environments.

Advantages and Challenges

Benefits for Users

Universal remotes significantly reduce clutter in living spaces by consolidating control of multiple devices into a single unit, often replacing 5 to 10 individual remotes that accumulate on coffee tables or entertainment centers. This simplification minimizes physical mess and streamlines access during use, as evidenced by modern models like the SofaBaton U2, which supports up to 15 and devices such as TVs, soundbars, and streaming players. Key convenience features enhance everyday usability, including programmable macros that enable one-touch activation of complex activities, such as powering on a home theater system, switching inputs, and adjusting volume in sequence. Backlit buttons and ergonomic designs further improve accessibility in low-light environments, allowing users to navigate controls without fumbling for light sources or multiple remotes. Enhanced control options provide intuitive operation through activity-based modes, where selecting "Watch TV" automatically configures the appropriate device inputs, volume levels, and display settings for seamless transitions. Integration with voice assistants like and enables hands-free commands, such as dimming lights or starting playback, extending functionality to broader smart home ecosystems. Cost savings are a practical advantage, with basic universal remotes available for under $20, offering an economical alternative to purchasing and replacing multiple remotes over time. These devices also extend control to non-entertainment appliances like air conditioners and ceiling fans when paired with IR hubs, such as the BroadLink RM4 Pro, reducing the need for additional dedicated controllers.

Limitations and Common Issues

One significant limitation of universal remotes is the complexity of setup, which often involves manual code entry or a learning process that can exceed 30 minutes for multiple devices, especially when customizing macros or activities. Auto-search features frequently fail for obscure brands due to inaccuracies or gaps in preprogrammed databases, leading users to rely on trial-and-error methods that prolong the process. Compatibility gaps persist, particularly with evolving protocols; for instance, older universal remote models offer limited support, often pairing with only one device at a time and lacking integration with RF-based streaming devices like or Fire TV sticks. (IR) transmission, the most common control method, requires a direct line-of-sight to the device, which can be easily blocked by furniture, walls, or even household objects, rendering the remote ineffective in obstructed setups. Reliability issues further compound these challenges, including battery drain where standard or batteries typically last 6-12 months under normal use, necessitating frequent replacements. IR signals are susceptible to interference from or fluorescent in bright rooms, which can disrupt and cause inconsistent . Additionally, the loss of the remote represents a single-point , as it serves as the primary control interface without built-in backups in many models. As of 2025, the discontinuation of Logitech's line has left a void in premium universal remote options, with support for older models ending on May 28, 2025, limiting updates and configurations for users reliant on cloud-based programming. App-based universal remotes, increasingly common, depend on stable connections and become inoperable during network outages. Adoption of the protocol remains limited for legacy devices, though emerging models like Ikea's new -compatible remotes offer for newer smart home ecosystems. RF extenders can partially address line-of-sight limitations in some setups.

References

  1. [1]
    How Universal Remotes Work | HowStuffWorks - Home and Garden
    May 17, 2024 · Universal remotes are either multibrand (preprogrammed) or learning (can replicate original remotes via infrared signals). Learning remotes are ...
  2. [2]
    First universal remote control | Guinness World Records
    In 1987, as part of his company CL 9, he introduced the first remote control device that could “learn” infrared signal patterns from other remote controls. This ...Missing: CLASS | Show results with:CLASS
  3. [3]
    Steve Wozniak Trivia: 10 Surprising Facts About Woz - Macworld
    Aug 11, 2020 · Woz's start-up company CL 9 developed the first universal remote control, the CORE, in 1987. The company was in business for three years ...Missing: CLASS | Show results with:CLASS<|control11|><|separator|>
  4. [4]
    Definition of universal remote control | PCMag
    A handheld remote control that can turn on and operate any unit of equipment in a home theater system, such as an A/V receiver, cable box, TV, DVR, ...
  5. [5]
    How Do Universal Remotes Work? | Ambiq
    Oct 20, 2021 · A universal remote is a handheld device that consolidates the functionalities of various remote-control devices with a single unit.
  6. [6]
    How to Connect Universal Remote to TV? - TCL
    Aug 27, 2024 · A universal remote is a type of remote control designed to operate multiple brands of one or more types of electronic devices. Unlike standard ...<|separator|>
  7. [7]
    https://ambiq.com/blog/how-do-universal-remotes-work/
  8. [8]
    The Universal Remote Control - Professional Audio Consultants
    A devise known as a universal remote control that can be custom programmed. The single universal remote solution is critical to the ease of operation and ...
  9. [9]
    https://www.hellotech.com/blog/universal-remote-controls
  10. [10]
    https://www.pac-nj.com/home-theaters/the-universal-remote-control/
  11. [11]
    Universal Remote Control History: Not Great, Just Good Enough
    May 25, 2017 · The term “universal remote” was first bandied about in the 1970s, in reference to a device produced by Jerrold, which provided wired remote ...Missing: definition | Show results with:definition
  12. [12]
    Sidebar: A short history of the remote control - EE Times
    The forerunner of today's so-called “universal” remote controls was developed in the eighties by Steve Wozniak of Apple. He started a company that designed the ...Missing: definition | Show results with:definition
  13. [13]
    Amazon.com: SofaBaton X1 Universal Remote, All-in-One Smart ...
    30-day returnsRealtime Database: X1 universal remote compatible with up to 500,000 devices, 60+ home entertainment devices also update regularly to support more new devices.
  14. [14]
    Guaranteed to work all brands - One For All Universal Remotes
    One For All Universal Remote Controls use the world's largest and most efficient database of infrared codes for controlling Audio Video devices.Missing: thousands | Show results with:thousands
  15. [15]
    Tesla - Master of Lightning: Remote Control - PBS
    His invention, covered in patent No. 613,809 (1898), took the form of a radio-controlled boat, a heavy, low-lying, steel craft about four feet long. Inasmuch ...
  16. [16]
    What is the history of the remote control? - Science | HowStuffWorks
    Feb 27, 2024 · Remote controls are an invention born in the 1800s. Renowned Serbian-American inventor Nikola Tesla created one of the world's first wireless remote controls.Missing: authoritative | Show results with:authoritative
  17. [17]
    The Philco Mystery Control - Philcoradio.com
    The Mystery Control is a wireless remote control unit for one of 11 different Philco console radios and radio-phonos manufactured from 1939 through 1942. Read ...Missing: TV | Show results with:TV
  18. [18]
    [PDF] TELEVISION The Philco Mystery Control
    In. 1939, Philco began marketing a console radio with a wireless remote called the. "Mystery Control." Then why wasn't wireless remote standard on tv sets till ...Missing: 1930s | Show results with:1930s
  19. [19]
    Remote Background - Zenith Electronics
    Zenith engineer Eugene J. Polley invented the “Flash-Matic,” which represented the industry's first wireless TV remote. Introduced in 1955, Flash-Matic ...
  20. [20]
    Zenith Flash-Matic remote control | Science Museum Group Collection
    The Zenith Flash-Matic was the world's first wireless Television remote control. The devices were only in production for a single year in 1955 and ...
  21. [21]
    First ultrasound remote control for TV sets - Guinness World Records
    In 1956, the first ultrasound remote control for TV sets was introduced by Zenith Electronics (USA). Designed by engineer Robert Adler.
  22. [22]
    The Remote Control | Invention & Technology Magazine
    Infrared remotes worked simply by shooting a kind of rapid-fire Morse code at the television. LEDs and the microchips that controlled them were cheap and ...<|separator|>
  23. [23]
    History of Remote Control -- Great Inventions - Edinformatics
    The first Universal Remote Control was developed by William Russell McIntyre in the mid 1980s, while employed at North American Philips Consumer Electronics ...
  24. [24]
    US4774511A - Universal remote control unit - Google Patents
    The remote control unit has a selection mechanism for selecting any one of a number of categories of equipment to be controlled. The commands available for ...Missing: mid- 1980s
  25. [25]
    Remote control - 102757060 - CHM - Computer History Museum
    The lot description reads as follows, "Original Core universal IR remote control, developed by Steve Wozniak." The object includes a separately labeled ...
  26. [26]
    History of Logitech's Now-Discontinued Harmony Remotes - 30pin
    Apr 15, 2021 · The first Harmony remote was made in 2001 by Eazy Zapper, a Canadian startup later renamed to Intrigue Technologies.
  27. [27]
    Harmony and Windows
    Launch the Harmony app. Select MENU, then Harmony Setup > Add/Edit Devices & Activities > DEVICES. · Once added, Harmony will prompt you to create an Activity.Setup · Control · Faqs
  28. [28]
    [PDF] User Manual - Logitech
    Using the. Harmony Remote Software, you can configure the Harmony One to control up to 15 de- vices. The Harmony One delivers powerful Activity-based control by ...
  29. [29]
    [PDF] Harmony Touch™ User Guide - Logitech
    This is the user guide for the Logitech Harmony Touch 2, version 4 (2013-10-31).Missing: 2011 | Show results with:2011
  30. [30]
    Harmony Remote Manufacturing, Service and Support Update
    Logitech has made the decision to discontinue manufacturing Harmony remotes. Remaining Harmony remote inventory will continue to be available through retailers ...
  31. [31]
    https://www.sofabaton.com/products/x1s/
  32. [32]
    https://www.theverge.com/news/814241/ikea-smart-home-matter-thread-lights-sensors-remote-control
  33. [33]
    Universal Remote Matter Combo - SwitchBot
    In stock Free deliveryThe remote controls infrared appliances, Fire TV, Apple TV, SwitchBot devices, and other Matter devices, with 80,000+ remote models supported.Missing: protocol | Show results with:protocol
  34. [34]
    Universal Remote Control Compatible for All Samsung TV LED ...
    30-day returnsSize: 6.2*1.37*0.78 inch. Battery Required: 2 x AA (Not Included). Package included: 1*Remote Control. 2. No programming or ...Missing: typical layout
  35. [35]
    The 3 Best Universal Remote Controls of 2025 | Reviews by Wirecutter
    Sep 12, 2025 · The Sofabaton U2 Universal Remote Control can control up to 15 devices, including both infrared- and Bluetooth-based AV devices, so it's more ...
  36. [36]
    https://byjasco.com/products/ge-4-device-rechargeable-backlit-universal-remote-white
  37. [37]
    GE Backlit Universal Remote Controls User Manual
    Backlighting Feature. The remote features full backlighting with soft blue LEDs. The buttons will illuminate when the remote is in use or when a button is ...Missing: layout | Show results with:layout
  38. [38]
    How to Program a GE Universal Remote Easily - Xcitium
    Rating 5.0 (1) Aug 25, 2025 · Learn how to program a GE universal remote with codes and auto-search. Step-by-step instructions for TVs, cable, and streaming devices.
  39. [39]
    MYHGRC G16 Universal Remote Control User Manual
    Locate Device Codes: In the Code List (included with your remote), circle the 4-digit codes for the type and brand of device you wish to control. Enter Setup ...
  40. [40]
    Universal remotes - One For All
    One For All offers replacement remotes for brands like LG, Panasonic, Samsung, and Sony, as well as remotes for Roku, TCL, and Sony TVs.
  41. [41]
    IR Remote Control Guide
    ### Summary: How Programmable IR Remotes Learn and Mimic Signals
  42. [42]
    https://www.sofabaton.com/wp-content/uploads/2024/03/U2-Instruction-manual-2023125.pdf
  43. [43]
    Amazon.com: Sofabaton U2 Universal Remote Control with Smart ...
    【Macro Button for Convenience】Simplify your daily routine by executing a series of commands across multiple remote controls with just one press of the Macro ...Missing: examples | Show results with:examples
  44. [44]
    U2 Tech Specs - Sofabaton Universal Remote
    ### Summary of SofaBaton U2 Universal Remote Specs
  45. [45]
    2025 BroadLink RM4 Pro Universal Remote Control RF ... - AliExpress
    In stock 15-day returnsWith RM4 pro, you can control your home appliances with your mobile phone and support a variety of IR and RF appliances such as TVs, set-top boxes, and RF ...Missing: hybrid extenders<|separator|>
  46. [46]
    BroadLink RM4 pro IR and RF Universal Remote, All in One Hub ...
    30-day returnsHIGH COMPATIBILITY - Support RF (433MHz) controlled devices such as curtain/shades motor, projector and light switch; Support 50,000+ IR controlled devices such ...Missing: extender | Show results with:extender
  47. [47]
    Smart Control Pro Touch (URC7985) - One For All
    Enjoy a fully customizable experience with the Smart Control Touch, set up your remote to control up to 12 devices and personalize your favorite apps for quick, ...
  48. [48]
    Harmony Touch Specifications
    Remote Specifications ; Connection Type. Micro USB ; Infrared (IR). Yes ; LCD Display. Color, touch, battery status, number pad, QVGA (320x240) ; Special Buttons.Missing: 2011 | Show results with:2011
  49. [49]
    The New Logitech Harmony Touch: Say Goodbye to Buttons
    Oct 3, 2012 · Meet the Logitech Harmony Touch, a new universal remote that changes the Harmony button layout and replaces most of its actions with a ...
  50. [50]
    SwitchBot Universal Remote | Control Infrared Appliances
    Specifications. Dimensions. Size (product): 50 × 27 × 190 mm (2 × 1.1 × 7.5 in.) Net Weight: 133 g. What's included in the box? Universal Remote, 1 m USB to ...Missing: 2024 | Show results with:2024
  51. [51]
    Roomie Remote: Universal Remote for iPhone
    Roomie Remote controls Smart TVs, Sonos, HomeKit, Lutron, and more. It's a Universal Remote for iPhone, iPad, Apple Watch, and Apple TV. Start Free Trial.Compatibility · Support · Simple Control TV Remote FAQ · What's New in Roomie...
  52. [52]
    Universal Remote – Roomie - App Store - Apple
    Rating 4.0 (789) · Free · iOSAudio/Video Control and Home Automation seamlessly merged into a Universal Remote for your entire home. Control TVs, A/V receivers, set top boxes, lights, ...Missing: Android | Show results with:Android
  53. [53]
    Logitech Harmony Companion review: Remote really ties the room ...
    Rating 8.6/10 · Review by David KatzmaierOct 2, 2014 · The Logitech Harmony Companion is a unique universal-remote system that makes it possible to control your entire home theater using your iPhone or Android ...
  54. [54]
    Near Infrared (NIR) LED: 850nm vs 940nm, Specs & Applications ...
    Within ~700–1000 nm, typical LED peak wavelengths include 730 nm, 850 nm, 880 nm, 940 nm, and a few extending to ~970–1050 nm.
  55. [55]
    [PDF] Data Formats Data Formats for IR Remote Control - Vishay
    Common IR remote data formats include RC5 (36 kHz, bi-phase coding) and NEC (38 kHz, bursts). Variations include pre-bursts, bit lengths, and address/data bits.Missing: structure | Show results with:structure
  56. [56]
    IR - NEC Protocol - SB-Projects
    The NEC protocol uses 8-bit address/command, pulse distance modulation, 38kHz carrier, and transmits address/command twice, with a 9ms AGC burst.Missing: structure | Show results with:structure
  57. [57]
    Touch Screen Universal Remote | T2i Remote Control - RTI Control
    T2i Remote Control ; Display Size, 2.8 in (71mm) diagonal ; Backlights, Blue/White LED (Keypad) ; Nominal Run Time on Full Charge, 4-6 hours, continuous use (WiFi ...
  58. [58]
    SwitchBot Launches Matter Compatible Universal Remote Control ...
    Jun 27, 2024 · SwitchBot Universal Remote is available now at a suggested retail price of $59.99 / £59.99 / €69.99 and can be found on SwitchBot's US and CA Amazon Stores.
  59. [59]
    https://www.sofabaton.com/products/u2/
  60. [60]
    Sofabaton U2 Review: Best Budget Universal Remote - CNET
    Apr 23, 2023 · The remote can handle up to 15 devices at a time, while the competitive Harmony 650 can offer only five. The remote connects over Bluetooth to ...
  61. [61]
    SofaBaton X1S Universal Remote with Hub and App, All in One ...
    All in One Smart Universal Remote Control with Customize Activities, Control Up to 60 IR/Bluetooth/WiFi Devices
  62. [62]
    It's 2025 now. Why, 2 decades since its release, is HDMI CEC still ...
    Jul 2, 2025 · Basically title of post. Just makes no sense that the technology has been out for 20 years now, but is still laughably unreliable.r/hometheater on Reddit: HDMI CEC vs Universal RemoteHDMI ARC/CEC Driving Me Crazy : r/hometheater - RedditMore results from www.reddit.comMissing: challenges | Show results with:challenges
  63. [63]
    HDMI CEC or Universal Remote - Sound & Vision
    Aug 1, 2012 · I think that a good universal remote is a better solution, since it does not rely on how CEC is implemented in each device.Missing: compatibility challenges
  64. [64]
    The benefits of using a universal remote control - Jasco Blog
    May 29, 2015 · The No. 1 benefit to a universal remote control is convenience and simplicity because it allows you to quickly switch between different systems.
  65. [65]
    https://www.sofabaton.com/product/u2/
  66. [66]
    SofaBaton X1S Universal Remote Control, One Touch Activities ...
    30-day returnsEasily control your entire entertainment setup with just your voice. With activity-based commands like "Movie Night" or "Music Mode," you can launch or turn off ...
  67. [67]
    U2 Universal Remote Control with Smart App, Customizable Macro ...
    In stock Free deliveryU2 Universal Remote control with smart app, customizable macro button, ALL in one Remote control for tvs/dvd//blu-ray/stb/projector, works with infrared & ...
  68. [68]
    Sofabaton U2 Universal Remote control - HighTechDad Review
    Apr 27, 2025 · Technical Details & Specifications ; Backlighting, Full key backlighting ; Battery Type, 2x AA batteries (included) ; App Compatibility, iOS and ...
  69. [69]
    One Remote for All: Universal Remote Control Benefits | SwitchBot EU
    Oct 28, 2024 · Integration with Voice-Activated Technology: Some universal remote controls can work with popular voice assistants, such as Alexa and Google ...
  70. [70]
    Universal TV Remote Controls - Walmart
    4.3 5K · Free 90-day returnsUniversal TV Remote Controls(360) ; $862. current price $8.62 · 14153.9 out of 5 Stars. 1415 reviews ; $1047. current price $10.47 · 14464.3 out of 5 Stars. 1446 ...
  71. [71]
    https://moeshouse.com/collections/smart-remote-control
  72. [72]
    The Best Universal Remotes of 2025 | Tested & Rated - Tech Gear Lab
    Rating 4.7 · Review by Benjamin HickokNov 24, 2024 · Our favorite pick, the SofaBaton U2, is a remote that offers full customization, programmable buttons, and can control up to 15 paired devices.
  73. [73]
    Universal Remote Not Working? Common Causes & Quick Fixes
    Oct 27, 2025 · The most frequent culprit is low or dead batteries, which reduce signal strength and disrupt communication. Incorrect programming or entering ...
  74. [74]
    Best Batteries For Remote Controls In 2025: A Complete User Guide
    Jul 16, 2025 · How Long Do Carbon-Zinc Batteries Last in Remotes? ; TV Remote, AAA Carbon-Zinc, 6–12 months ; AC Remote, AAA Carbon-Zinc, 8–10 months ; Spare ...
  75. [75]
    https://www.jtechdigital.com/posts/troubleshooting-tips-for-ir-systems-and-remote-control-issues
  76. [76]
    Logitech is dropping support for its oldest Harmony remotes | PCWorld
    Mar 27, 2025 · Logitech, which acquired the Harmony brand back in 2004, announced in April 2021 that it was discontinuing the line of universal remotes. At ...