JDY-40 2.4G Wireless Serial Module | Fast Data Transceiver
JDY-40 2.4G Wireless Serial Transmission Module
The JDY-40 Wireless Serial Transmission Module is a compact, high-performance 2.4GHz transceiver designed for fast, reliable wireless data communication. Built from durable plastic and metal at just 23.2 × 13.8mm, this module integrates seamlessly into a wide range of DIY electronics, automation, and wireless projects — all without the hassle of cables.
Why Choose the JDY-40?
- Simple Serial Interface: Uses a standard UART serial communication interface — if you know serial ports, you're ready to go. No complex protocols or steep learning curves.
- Fast 2.4GHz Wireless Data Transfer: Operates on the 2.4GHz band for quick, stable wireless transmission between devices.
- Ultra-Compact Design: At 23.2 × 13.8mm, the JDY-40 fits into tight enclosures and space-constrained PCB layouts with ease.
- Durable Construction: Plastic and metal housing provides robust protection for everyday use in projects and prototypes.
- Cord-Free Operation: Eliminates cable clutter, making your builds cleaner and easier to manage.
- Versatile Application: Ideal for wireless sensor networks, remote controls, robotics, home automation, and more.
- Beginner & Pro Friendly: Accessible to makers who only need basic serial port knowledge, yet capable enough for advanced embedded systems projects.
Technical Specifications
- Model: JDY-40
- Wireless Frequency: 2.4GHz
- Interface: UART Serial (TTL)
- Dimensions: 23.2 × 13.8mm
- Materials: Plastic + Metal
- Communication Type: Full-duplex wireless serial transceiver
Perfect For
- DIY electronics and maker projects
- Wireless sensor and IoT applications
- Robotics and remote-control systems
- Home automation and smart device prototyping
- Arduino, Raspberry Pi, and microcontroller integration
For more information on wireless communication standards and best practices in electronics projects, visit the NIST Communications Technology Laboratory.
Frequently Asked Questions
Q: What is the JDY-40 Wireless Serial Transmission Module used for?
A: The JDY-40 is a 2.4GHz wireless serial transceiver module used to enable fast, cable-free data communication between two devices. It is widely used in DIY electronics, robotics, home automation, IoT sensor networks, and microcontroller-based projects such as Arduino and Raspberry Pi builds.
Q: Do I need advanced technical knowledge to use the JDY-40?
A: No advanced expertise is required. The JDY-40 uses a standard UART serial communication interface — if you have basic knowledge of serial (COM) ports, you can integrate it into your project quickly. It is beginner-friendly while remaining powerful enough for experienced developers.
Q: What are the dimensions and materials of the JDY-40 module?
A: The JDY-40 measures 23.2 × 13.8mm, making it extremely compact and easy to embed in tight spaces. It is constructed from a combination of plastic and metal, offering a balance of lightweight design and structural durability.
Q: How does the JDY-40 transmit data wirelessly?
A: The JDY-40 operates on the 2.4GHz frequency band and uses a full-duplex serial transceiver design. It sends and receives data simultaneously over a wireless link, providing fast and stable transmission for your wireless projects without requiring physical cables.