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nRF21540 DB 开发包

低功耗蓝牙®、蓝牙®mesh、Thread、Zigbee及2.4 GHz私有协议范围扩展开发包

nRF21540开发包(DB)包含nRF21540开发工具包(DK)和nRF21540评估工具包(EK)。

nRF21540 DK非常适于开发需要nRF21540 RF 前端模块(FEM) 所提供的范围扩展能力或链路预算改进的产品。nRF52840 开发工具包与我们最先进的nRF52系列开发工具包有许多相似之处。板载nRF21540 RF FEM的TX增益可以通过GPIO或SPI来调整。蓝牙®5.2 nRF52840 SoC和nRF21540 RF FEM搭配是低功耗蓝牙®与我们支持的mesh协议(即蓝牙®mesh, Thread或Zigbee)进行多协议范围扩展的完美开发工具包。双天线端口可用于基于802.15.4协议(即Thread或Zigbee)的天线分集场景，以减少多径衰减影响。

nRF21540 EK兼容Arduino Uno Rev3扩展板，可与Nordic的nRF52或nRF53系列开发工具包或其他设备一起使用。它可以通过SMA连接器连接到实验室设备，以监测nRF21540 RF FEM的性能。

nRF Connect SDK是nRF21540 RF FEM的软件开发工具包，它提供对nRF21540 开发工具包的板载支持。支持低功耗蓝牙®、蓝牙®mesh、Thread和Zigbee应用的软件开发。它集成了Zephyr RTOS、协议栈、示例、硬件驱动程序等等。

电路板设计与原理图可以在下载链接中找到。

包装盒内含一个nRF21540 DK和一个nRF21540 EK。nRF21540 DK通过Micro-USB电缆(不含)连接到计算机。使用nRF21540 EK需要一根SMA电缆(不含)。

订购代码: nRF21540-DB 

下载 nRF21540 DB产品简介(PDF)

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Key Features

nRF21540 DK

Versatile development kit for the nRF21540 RF FEM

Includes the nRF21540 RF FEM and nRF52840 SoC

2 x 2.4 GHz antennas for antenna diversity

Segger J-Link OB programmer/debugger

Arduino Uno Rev3 comptabile

1.7-5.5 V supply from USB, external or Li-Po battery

nRF21540 EK

Versatile evaluation kit for the nRF21540 RF FEM

Can be used with nRF52 and nRF53 Series DKs, as well as other devices

ANT1 and ANT2 ports (SMA) for antennas or lab equipment

TRX port (SMA) for connecting radio or lab equipment

Arduino Uno Rev3 compatible

Current measurement pins

nRF21540 DK Documentation
nRF21540 EK Documentation
Downloads

Connect and test

your nRF21540 DK

  2. Included in the box: the nRF21540 EK, the nRF21540 DK and a flexible NFC antenna.
  3. If you plan to use NFC, connect the NFC antenna to the board. The connector is marked "NFC" and is located by the edge of the board near the 4 buttons.
  4. Use a micro USB 2.0 cable to connect the nRF21540 DK to one of your PC's USB host ports. This provides power to the board and supports target programming.
  5. Flip the power switch to "on". Find it near the micro USB connector. If a popup appears, ignore it for now.
  6. Confirm that LED 1 starts pulsing.
  7. Use buttons 1 to 4 to control which respective LED pulses.

Videos

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Introducing the nRF21540 DB

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