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nRF52840 MDK USB Dongle with Case
The nRF52840 MDK USB Dongle is a compact, ready-to-use development platform featuring the Nordic Semiconductor nRF52840 SoC, a powerful ARM Cortex-M4 processor with integrated 2.4 GHz Bluetooth Low Energy and NFC capabilities. Embedded systems engineers, IoT developers, and wireless protocol researchers use this dongle to prototype, test, and deploy Bluetooth 5.3 applications, mesh networking solutions, and multi-protocol wireless projects. This device solves the challenge of rapid prototyping for wireless applications by eliminating complex PCB design iterations and providing immediate USB connectivity for debugging and firmware development.
Product Overview
The nRF52840 MDK USB Dongle integrates Nordic's flagship nRF52840 SoC into a plug-and-play USB form factor, delivering enterprise-grade wireless capabilities in a pocket-sized package. The dongle features 1 MB of flash memory and 256 KB of RAM, supporting advanced Bluetooth 5.3 features including extended range, higher data rates, and improved coexistence with other wireless protocols. The integrated NFC-A interface enables proximity-based communication and device pairing scenarios. The onboard J-Link debugger provides real-time code execution monitoring, breakpoint debugging, and seamless integration with popular IDEs like Keil µVision, SEGGER Embedded Studio, and Nordic's nRF Connect SDK.
The included protective case safeguards the dongle from physical damage during transport and field deployment, while maintaining full USB accessibility. The device operates across the full industrial temperature range and includes comprehensive firmware examples for Bluetooth advertising, scanning, GATT server/client implementations, and mesh networking. Power consumption is optimized through Nordic's proprietary power management architecture, enabling battery-powered applications to achieve multi-year operational lifespans. The MDK variant includes comprehensive documentation, software development kit access, and compatibility with both Windows, macOS, and Linux development environments.
Key Specifications
| Specification | Details |
| Product Type | USB Bluetooth 5.3 Development Dongle with Integrated Debugger |
| Brand | Nordic Semiconductor |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Processor | ARM Cortex-M4 @ 64 MHz with FPU |
| Flash Memory | 1 MB |
| RAM | 256 KB |
| Wireless Protocols | Bluetooth 5.3, Bluetooth Mesh, Thread, Zigbee, 802.15.4, NFC-A |
| RF Performance | 2.4 GHz ISM band, -100 dBm RX sensitivity, +8 dBm TX power |
| Debugger | Integrated J-Link OB with real-time code execution and breakpoint support |
| USB Interface | USB 2.0 Full-Speed with CDC ACM serial port emulation |
| Operating Temperature | -40°C to +85°C industrial range |
| Dimensions | Compact dongle form factor with protective carrying case |
Key Features
- Integrated J-Link Debugger: Real-time single-stepping, breakpoint debugging, and live variable inspection without external hardware
- Multi-Protocol Support: Simultaneous Bluetooth 5.3, NFC, and IEEE 802.15.4 capabilities enable complex wireless scenarios
- Extended Range Bluetooth: Achieves 240+ meter range in optimal conditions using Bluetooth 5.3 extended range features
- USB Plug-and-Play Connectivity: Immediate enumeration as serial device with CDC drivers for cross-platform compatibility
- Comprehensive SDK Access: Full nRF Connect SDK with 100+ example applications and middleware libraries
- Power Profiling Capabilities: Integrated current measurement for power consumption analysis during development
- Protective Carrying Case: Durable case included for safe transport and field deployment
Applications and Use Cases
- Bluetooth Beacon Development: Create proximity marketing solutions, asset tracking systems, and indoor positioning applications using BLE advertising
- IoT Gateway Prototyping: Develop multi-protocol gateways that bridge Bluetooth mesh networks with cloud platforms and legacy systems
- Wearable Device Testing: Prototype smartwatch, fitness tracker, and health monitoring applications with real-time debugging capabilities
- Smart Home Automation: Build Bluetooth mesh-based lighting controls, thermostat systems, and sensor networks with self-healing mesh topology
- Industrial IoT Monitoring: Deploy wireless sensor networks for predictive maintenance, environmental monitoring, and equipment tracking
- NFC-Based Authentication: Implement secure proximity-based access control and device pairing mechanisms for enterprise applications
How to Use
Begin by installing the nRF Connect SDK and SEGGER Embedded Studio on your development machine. Connect the nRF52840 MDK USB Dongle to your computer using the USB cable; the integrated J-Link debugger will enumerate automatically. Open the nRF Connect SDK examples directory and select a project matching your use case, such as the Bluetooth peripheral or central example. Configure the project settings for your target application, compile the firmware using the provided toolchain, and flash it directly to the dongle through the integrated debugger without requiring external programming equipment.
Once firmware is loaded, use the nRF Connect mobile application or desktop tools to scan for Bluetooth advertisements, establish connections, and interact with GATT services. For advanced debugging, set breakpoints in your IDE, execute code step-by-step, and inspect register values and memory contents in real-time. The integrated serial port interface enables printf-style debugging output directly to your terminal. Leverage the power profiling features to measure current consumption during different operational states, optimizing battery life before deploying to production hardware. The protective case keeps the dongle safe during transport between development and testing environments.
Frequently Asked Questions
Can I use the nRF52840 MDK Dongle for production deployments or is it development-only?
The nRF52840 MDK Dongle is primarily a development and prototyping tool. However, the firmware you develop on this dongle can be deployed to production nRF52840 modules and SoCs without modification. The dongle itself is not recommended for production due to its USB form factor and integrated debugger overhead. Use it for development, testing, and validation, then transition validated firmware to miniaturized nRF52840 modules for final products.
What is the difference between the nRF52840 MDK Dongle and the nRF52840 DK development kit?
The MDK Dongle is a compact USB stick form factor optimized for portability and rapid prototyping, featuring an integrated J-Link debugger. The nRF52840 DK is a larger development board with additional peripherals including buttons, LEDs, sensors, and expansion headers. The DK offers more hardware experimentation capabilities, while the Dongle prioritizes compactness and convenience. Choose the Dongle for wireless protocol development and the DK for full-featured hardware integration projects.
Does the dongle support Bluetooth Mesh networking and Thread protocol?
Yes, the nRF52840 MDK Dongle fully supports Bluetooth Mesh with complete stack implementation for creating self-healing mesh networks. It also supports Thread protocol for IEEE 802.15.4-based IoT applications. The nRF Connect SDK includes comprehensive examples for both protocols, enabling you to prototype mesh-based lighting systems, sensor networks, and multi-hop communication scenarios directly on the dongle.
Can I measure power consumption on the nRF52840 MDK Dongle?
The nRF52840 MDK Dongle includes integrated current measurement capabilities accessible through the J-Link debugger. You can profile power consumption during different operational states using SEGGER's power analysis tools integrated into Embedded Studio. This allows optimization of sleep modes, radio duty cycles, and peripheral usage before transitioning to production hardware with battery constraints.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy nRF52840 MDK USB Dongle with Case Online in India
Purchase the nRF52840 MDK USB Dongle with Case online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on nRF52840 MDK USB Dongle with Case with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
nRF52840 MDK USB Dongle with Case
The nRF52840 MDK USB Dongle is a compact, ready-to-use development platform featuring the Nordic Semiconductor nRF52840 SoC, a powerful ARM Cortex-M4 processor with integrated 2.4 GHz Bluetooth Low Energy and NFC capabilities. Embedded systems engineers, IoT developers, and wireless protocol researchers use this dongle to prototype, test, and deploy Bluetooth 5.3 applications, mesh networking solutions, and multi-protocol wireless projects. This device solves the challenge of rapid prototyping for wireless applications by eliminating complex PCB design iterations and providing immediate USB connectivity for debugging and firmware development.
Product Overview
The nRF52840 MDK USB Dongle integrates Nordic's flagship nRF52840 SoC into a plug-and-play USB form factor, delivering enterprise-grade wireless capabilities in a pocket-sized package. The dongle features 1 MB of flash memory and 256 KB of RAM, supporting advanced Bluetooth 5.3 features including extended range, higher data rates, and improved coexistence with other wireless protocols. The integrated NFC-A interface enables proximity-based communication and device pairing scenarios. The onboard J-Link debugger provides real-time code execution monitoring, breakpoint debugging, and seamless integration with popular IDEs like Keil µVision, SEGGER Embedded Studio, and Nordic's nRF Connect SDK.
The included protective case safeguards the dongle from physical damage during transport and field deployment, while maintaining full USB accessibility. The device operates across the full industrial temperature range and includes comprehensive firmware examples for Bluetooth advertising, scanning, GATT server/client implementations, and mesh networking. Power consumption is optimized through Nordic's proprietary power management architecture, enabling battery-powered applications to achieve multi-year operational lifespans. The MDK variant includes comprehensive documentation, software development kit access, and compatibility with both Windows, macOS, and Linux development environments.
Key Specifications
| Specification | Details |
| Product Type | USB Bluetooth 5.3 Development Dongle with Integrated Debugger |
| Brand | Nordic Semiconductor |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Processor | ARM Cortex-M4 @ 64 MHz with FPU |
| Flash Memory | 1 MB |
| RAM | 256 KB |
| Wireless Protocols | Bluetooth 5.3, Bluetooth Mesh, Thread, Zigbee, 802.15.4, NFC-A |
| RF Performance | 2.4 GHz ISM band, -100 dBm RX sensitivity, +8 dBm TX power |
| Debugger | Integrated J-Link OB with real-time code execution and breakpoint support |
| USB Interface | USB 2.0 Full-Speed with CDC ACM serial port emulation |
| Operating Temperature | -40°C to +85°C industrial range |
| Dimensions | Compact dongle form factor with protective carrying case |
Key Features
- Integrated J-Link Debugger: Real-time single-stepping, breakpoint debugging, and live variable inspection without external hardware
- Multi-Protocol Support: Simultaneous Bluetooth 5.3, NFC, and IEEE 802.15.4 capabilities enable complex wireless scenarios
- Extended Range Bluetooth: Achieves 240+ meter range in optimal conditions using Bluetooth 5.3 extended range features
- USB Plug-and-Play Connectivity: Immediate enumeration as serial device with CDC drivers for cross-platform compatibility
- Comprehensive SDK Access: Full nRF Connect SDK with 100+ example applications and middleware libraries
- Power Profiling Capabilities: Integrated current measurement for power consumption analysis during development
- Protective Carrying Case: Durable case included for safe transport and field deployment
Applications and Use Cases
- Bluetooth Beacon Development: Create proximity marketing solutions, asset tracking systems, and indoor positioning applications using BLE advertising
- IoT Gateway Prototyping: Develop multi-protocol gateways that bridge Bluetooth mesh networks with cloud platforms and legacy systems
- Wearable Device Testing: Prototype smartwatch, fitness tracker, and health monitoring applications with real-time debugging capabilities
- Smart Home Automation: Build Bluetooth mesh-based lighting controls, thermostat systems, and sensor networks with self-healing mesh topology
- Industrial IoT Monitoring: Deploy wireless sensor networks for predictive maintenance, environmental monitoring, and equipment tracking
- NFC-Based Authentication: Implement secure proximity-based access control and device pairing mechanisms for enterprise applications
How to Use
Begin by installing the nRF Connect SDK and SEGGER Embedded Studio on your development machine. Connect the nRF52840 MDK USB Dongle to your computer using the USB cable; the integrated J-Link debugger will enumerate automatically. Open the nRF Connect SDK examples directory and select a project matching your use case, such as the Bluetooth peripheral or central example. Configure the project settings for your target application, compile the firmware using the provided toolchain, and flash it directly to the dongle through the integrated debugger without requiring external programming equipment.
Once firmware is loaded, use the nRF Connect mobile application or desktop tools to scan for Bluetooth advertisements, establish connections, and interact with GATT services. For advanced debugging, set breakpoints in your IDE, execute code step-by-step, and inspect register values and memory contents in real-time. The integrated serial port interface enables printf-style debugging output directly to your terminal. Leverage the power profiling features to measure current consumption during different operational states, optimizing battery life before deploying to production hardware. The protective case keeps the dongle safe during transport between development and testing environments.
Frequently Asked Questions
Can I use the nRF52840 MDK Dongle for production deployments or is it development-only?
The nRF52840 MDK Dongle is primarily a development and prototyping tool. However, the firmware you develop on this dongle can be deployed to production nRF52840 modules and SoCs without modification. The dongle itself is not recommended for production due to its USB form factor and integrated debugger overhead. Use it for development, testing, and validation, then transition validated firmware to miniaturized nRF52840 modules for final products.
What is the difference between the nRF52840 MDK Dongle and the nRF52840 DK development kit?
The MDK Dongle is a compact USB stick form factor optimized for portability and rapid prototyping, featuring an integrated J-Link debugger. The nRF52840 DK is a larger development board with additional peripherals including buttons, LEDs, sensors, and expansion headers. The DK offers more hardware experimentation capabilities, while the Dongle prioritizes compactness and convenience. Choose the Dongle for wireless protocol development and the DK for full-featured hardware integration projects.
Does the dongle support Bluetooth Mesh networking and Thread protocol?
Yes, the nRF52840 MDK Dongle fully supports Bluetooth Mesh with complete stack implementation for creating self-healing mesh networks. It also supports Thread protocol for IEEE 802.15.4-based IoT applications. The nRF Connect SDK includes comprehensive examples for both protocols, enabling you to prototype mesh-based lighting systems, sensor networks, and multi-hop communication scenarios directly on the dongle.
Can I measure power consumption on the nRF52840 MDK Dongle?
The nRF52840 MDK Dongle includes integrated current measurement capabilities accessible through the J-Link debugger. You can profile power consumption during different operational states using SEGGER's power analysis tools integrated into Embedded Studio. This allows optimization of sleep modes, radio duty cycles, and peripheral usage before transitioning to production hardware with battery constraints.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy nRF52840 MDK USB Dongle with Case Online in India
Purchase the nRF52840 MDK USB Dongle with Case online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on nRF52840 MDK USB Dongle with Case with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.