TCL WKC12R2501 Ir Sensor Board

( Brand: Tcl ), ( Manufacturer Part Number: WKC12R2501 ), ( Compatible Brand: For Tcl ), ( Type: Module ), ( Year Manufactured: 2023 )

Review TCL Ir Sensor Board

The **TCL WKC12R2501 IR Sensor Board** is a high-performance, versatile infrared (IR) receiver module designed for seamless integration into a wide range of electronic projects, automation systems, and smart home applications. Engineered with precision and reliability in mind, this compact yet robust board features a **TSOP4838 IR sensor chip**, a leading-edge component renowned for its exceptional sensitivity, low power consumption, and fast response time. The module operates within the standard **38 kHz infrared frequency range**, making it fully compatible with most commercially available IR remote controls, including those from TCL, Sony, Philips, and other major brands, while also supporting custom IR protocols for tailored applications. Its **3-pin interface** comprising power (VCC), ground (GND), and signal output (OUT) ensures effortless connectivity with microcontrollers like Arduino, Raspberry Pi, ESP8266, or STM32, allowing developers to decode and interpret IR signals with minimal setup.

What sets the TCL WKC12R2501 apart is its **built-in pre-amplifier and filtering circuitry**, which enhances signal clarity and reduces noise interference, even in challenging environments with ambient light or electrical disturbances. The board s **wide operating voltage range (3.0V to 5.5V)** provides flexibility for powering it from various sources, including USB, batteries, or regulated power supplies, while its **low current draw (typically under 10mA)** makes it ideal for battery-powered devices or energy-efficient systems. The module s **small yet durable form factor**, measuring approximately **12mm x 12mm**, allows for compact integration into enclosed devices, IoT gadgets, or DIY projects without sacrificing functionality. Whether used for remote control decoding, smart lighting automation, security systems, or interactive kiosks, the WKC12R2501 delivers consistent performance with minimal latency, ensuring smooth and responsive operation.

For developers and hobbyists, the TCL WKC12R2501 is a gateway to creating sophisticated IR-based solutions, from simple remote-controlled appliances to advanced home automation setups. Its **open-source compatibility** aligns well with popular development frameworks, enabling quick prototyping and customization. Additionally, the module s **long-term stability and cost-effectiveness** make it a preferred choice for both educational projects and commercial deployments where reliability and ease of use are paramount. With its blend of advanced IR detection technology and user-friendly design, the TCL WKC12R2501 stands as a dependable tool for unlocking the full potential of infrared communication in modern electronics.

The **TCL WKC12R2501 IR Sensor Board** is a popular infrared (IR) receiver module used for remote control applications, often paired with microcontrollers like Arduino or ESP8266/ESP32. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the TCL WKC12R2501 IR Sensor Board**

1. **Compatibility with Common Platforms**

The module is widely supported by Arduino, ESP8266, ESP32, and other microcontroller platforms. Libraries like **IRremote** (for Arduino) and **IRremoteESP8266** (for ESP8266/ESP32) make it easy to decode IR signals from most consumer electronics remotes (TVs, AC units, etc.).

2. **Low Cost and Availability**

It is an affordable component, typically priced under $5, and is readily available on platforms like AliExpress, Amazon, and local electronics stores. This makes it accessible for hobbyists and small-scale projects.

3. **Simple Interface**

The module uses a standard 3-pin connection (VCC, GND, and OUT) with a single data output pin, simplifying wiring and reducing complexity in circuit design.

4. **Wide IR Frequency Support**

The TCL WKC12R2501 can decode IR signals in the **38 kHz** range, which covers most common consumer remotes (NEC, RC5, RC6, Sony SIRC, etc.). This versatility allows it to work with a broad range of devices.

5. **No Additional Hardware Needed**

Unlike some IR receivers that require external components (e.g., capacitors for filtering), this module is self-contained and ready to use out of the box.

6. **Good for Learning**

It is an excellent educational tool for understanding how IR communication works, signal decoding, and interfacing with microcontrollers.

7. **Compact Size**

The module is small and can be easily integrated into DIY projects or embedded systems without taking up much space.

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### **Cons of the TCL WKC12R2501 IR Sensor Board**

1. **Limited to Passive Reception**

The module only receives IR signals and does not transmit them. If you need bidirectional communication (e.g., sending commands back to a remote), you would need a separate IR transmitter module (e.g., TSOP or TSAL6400 paired with an IR LED).

2. **Signal Interference Sensitivity**

IR signals can be affected by ambient light, dust, or other electronic interference, especially in poorly lit or cluttered environments. This may require additional shielding or signal conditioning in some cases.

3. **No Built-in Amplification**

The module does not include built-in signal amplification, so weak IR signals (e.g., from very distant remotes) may not be reliably decoded. You might need to adjust the receiver s sensitivity or use a more sensitive module if range is a critical factor.

4. **Dependence on Third-Party Libraries**

While libraries like **IRremote** are robust, they rely on open-source code that may not be actively maintained. In rare cases, compatibility issues or bugs could arise, especially with newer microcontroller firmware.

5. **No Built-in Power Regulation**

The module typically requires a stable 3.3V or 5V supply. If your project uses an unstable power source (e.g., battery with voltage fluctuations), you may need an external regulator.

6. **Limited to Standard Protocols**

While it supports many common IR protocols, it may not decode proprietary or less common protocols (e.g., some smart home remotes or industrial devices). Testing is required to ensure compatibility with your specific remote.

7. **No Built-in Error Correction**

If the IR signal is corrupted or partially blocked, the module may fail to decode it correctly. Unlike some advanced IR receivers, it lacks built-in error-checking mechanisms.

8. **Potential Quality Variations**

Since this is a mass-produced module, especially when sourced from third-party sellers, there can be variations in quality. Some units may have weaker sensitivity or inconsistent performance compared to others.

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### **Conclusion**

The **TCL WKC12R2501 IR Sensor Board** is a practical and cost-effective choice for projects requiring IR signal reception, particularly for hobbyists, students, and DIY enthusiasts. Its simplicity, wide compatibility, and affordability make it ideal for basic to intermediate-level applications such as remote-controlled devices, smart home integrations, or educational experiments.

However, it is not without limitations. If your project demands high reliability, long-range reception, or bidirectional communication, you may need to supplement it with additional hardware (e.g., an IR transmitter) or consider more advanced modules. Additionally, users should test the module thoroughly with their specific remotes to ensure compatibility.

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### **Recommendation**

- You need a budget-friendly IR receiver for basic projects (e.g., Arduino-based remote controls, simple automation).

- You are working with standard IR protocols (NEC, RC5, Sony SIRC) and do not require long-range or high-reliability reception.

- You are learning about IR communication and want a straightforward, plug-and-play solution.

- You need **long-range reception** (e.g., for outdoor or large-area projects). In this case, modules like the **VS1838B** or **HC-SR501** (with built-in amplification) may be better.

- You require **bidirectional communication** (sending and receiving IR signals). Pair this module with an IR LED (e.g., 940nm) and a driver transistor.

- You are working with **proprietary or less common IR protocols**. Test the module with your specific remote, or opt for a more advanced receiver like the **TSOP4838**.

- You need **higher reliability in noisy environments**. Consider adding a small IR filter or shielding to reduce interference.

For most general-purpose IR reception tasks, the **TCL WKC12R2501 is a solid and recommended choice**. Pair it with a reliable microcontroller (e.g., ESP8266 or Arduino) and appropriate libraries to get started quickly.

Details:

Part Number: WKC12R2501 condition: Fully functional, pulled from a TV with defective LCD panel. Includes: The sensor board itself. Tested and works perfectly.

part #: wkc12r2501 prices

• $24.99-$42.99

specifications tvboardgo:

• brand: Tcl
• mpn: Wkc12r2501
• compatible brand: For Tcl
• type: Module
• year manufactured: 2023

returns tvboardgo:

• policy: No Returns

seller tvboardgo:

• city: Sarasota, Florida
• # reviews: 3
• rating: 0.0%

general tvboardgo:

• TV, Video Home Audio > TV, Video Audio Parts > TV Boards, Parts Components
• condition: For parts or not working

offer tvboardgo:

• sold: 0
• availability: In Stock
• started: February 16, 2026
• best offers: True
• quantity: 1
• options: Ship-to-home

shipping tvboardgo:

• transit: 6-12 Days
• carrier: USPS
• type: Calculated
• class: Standard
• cost: $5.29
• service: USPS Ground Advantage

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