u-bloxBMD-341-A-R
Overview
The BMD-341-A-R is a highly integrated wireless module based on the Nordic Semiconductor nRF52840 SoC, featuring an Arm Cortex-M4F processor and a U.FL connector for external antenna configurations. It supports a comprehensive range of protocols including Bluetooth 5 (LE, 2M, and Coded Long Range), Thread, and Zigbee, making it a versatile hub for multiprotocol IoT mesh networks. The module is designed for efficiency with an integrated DC-DC converter and a wide supply voltage range up to 5.5V.
Why Choose This Part
The inclusion of a U.FL connector allows engineers to select specialized external antennas to overcome metal enclosures or distance challenges. It features a generous 1MB Flash and 256kB RAM, providing enough headroom for complex application logic alongside multi-protocol stacks. The integrated USB interface and wide 5.5V input range simplify power circuitry and connectivity in peripheral designs.
Applications
Key Specifications
Getting Started
Development is primarily supported through the Nordic nRF5 SDK or the Zephyr RTOS-based nRF Connect SDK. For rapid prototyping, engineers should use the BMD-340-Eval board or the nRF52840-DK, which are hardware-compatible with the BMD-341's firmware environment. Debugging is typically performed via the SWD interface using a standard J-Link programmer.
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