# Overview The **Lonely Binary TinkerBlock TK63 Infrared Transmitter** is a compact, high-performance module designed for reliable infrared (IR) signal transmission in electronics projects. Powered by the **Everlight IR333-A** infrared LED, the TK63 emits infrared light at a 940nm wavelength, making it ideal for applications such as remote control systems, IR communication, and pairing with Lonely Binary TinkerBlock TK64 Infrared Receiver. The TK63 integrates seamlessly with microcontrollers like Arduino, Raspberry Pi, and ESP32, offering hobbyists and professionals a versatile solution for wireless control and sensing projects.  ### Key Features - **High-Efficiency IR Transmission**: Utilizes the Everlight IR333-A LED for robust infrared emission at 940nm, ensuring strong signal strength for short-range communication. - **Wide Compatibility**: Works with Arduino, Raspberry Pi, ESP32, and other platforms supporting digital Active High or PWM signal input. - **Compact Design**: Small form factor with mounting clips for integration into robotics, IoT devices, and prototyping setups. - **Low Power Consumption**: Efficient operation with the IR333-A, drawing ~20mA at 5V for continuous use. > Digital, Active High # Pinout | Pin | Function | | ------ | -------------------- | | GND | Ground | | VCC | VCC | | NC | Not Connected | | Signal | Digital, Active High | # Dimensions  # Components ## IR333-A The IR333-A is a 5mm infrared LED from Everlight Electronics, designed to emit infrared light at a peak wavelength of 940nm, making it spectrally matched with the PT334-6B which is used on TK64 for optimal performance in IR sensing applications. # Sample Code ```cpp #define IR_SIGNAL 3 // TK63 Signal pin connected to D9 void setup() { pinMode(IR_SIGNAL, OUTPUT); // Set Signal pin as output } void loop() { digitalWrite(IR_SIGNAL, HIGH); // Turn on IR333-A delay(1000); // Emit for 1 second digitalWrite(IR_SIGNAL, LOW); // Turn off IR333-A delay(1000); // Wait for 1 second } ``` # Product Link For product support, manuals, tutorials, and sample code, please visit our product page to access comprehensive resources. [https://lonelybinary.com/products/tk63](https://lonelybinary.com/products/tk63) # Support If you encounter any issues, please go to [https://lonelybinary.com ](https://lonelybinary.com ) and click the Support button located in the bottom right corner. Our team is ready to assist you. [](https://lonelybinary.com) # Thank You Thank you for choosing TinkerBlock to fuel your passion for STEM! Whether you’re a student diving into coding, an educator shaping future innovators, a hobbyist bringing your vision to life, or a business seeking cutting-edge solutions, TinkerBlock empowers you to create, learn, and innovate. **For school orders, wholesale inquiries, or custom business solutions, please contact us to discuss your specific needs.** [office@lonelybinar.com](office@lonelybinary.com) > **Unleash Your Creativity with TinkerBlock – Where Coding Meets the Real World!**