Quelltext der Seite WSAL15897 – NRF52840 Eval Kit/en

__NOINDEX__
'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

== Summary ==
The nRF52840 Eval Kit is a Bluetooth 5.0 development board with an onboard nRF52840 core module, Arduino and Raspberry Pi compatible GPIO headers, USB-UART via CP2102, and an SWD debug port. It supports bare-metal peripheral demos (GPIO, UART, SPI, I2C, NFC) and Bluetooth experiments including MESH.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL15897 WSAL15897 – nRF52840 Bluetooth 5.0 Module, Small &amp; Stable]
* [https://shop.jw-tech.eu/p/WSAL15951 WSAL15951 – nRF52840 Bluetooth 5.0 Evaluation Kit]

== Technical overview ==
* Microcontroller: ARM Cortex-M4F @ 64 MHz, 1 MB flash, 256 kB RAM
* Frequency band: 2.4 GHz; Bluetooth 5.0 with data rates up to 2 Mbps
* Manufacturer-stated range: ~150 m open space, ~40 m indoor
* On-board interfaces: UART, I2C, SPI, NFC antenna connector, TF card slot
* Power: via USB or CR2032 battery (toggle switch)
* On-board chips: CP2102 (USB-to-UART), RT9193-33 (level converter), buzzer, optical sensors
* Indicators/controls: PWR LED, RXD/TXD LEDs, LED1–LED4, reset and user buttons
* Dev environment: Keil MDK + Nordic DeviceFamilyPack, JLink driver (≥ V6.22 recommended), nRFx Command Line Tools for firmware flashing
* SDK version referenced: SDK 15.2 (supports Bluetooth 5.0)
* Available demos: GPIO LED, serial I/O, SPI loopback/OLED, I2C scan/BME280/MPU6050, NFC app launch, BLE slave/host/MESH

'''Commands and examples – verify before use:''' 
<syntaxhighlight lang="text">
nrfjprog -v
</syntaxhighlight>

== Notes and version constraints ==
* Effective range depends heavily on environmental conditions; stated values are manufacturer claims without independent verification.
* JLink driver version must be ≥ V6.22, otherwise the tool will not recognize the debugger.
* Keil requires a license for projects exceeding 256 kB; without a license compilation is limited.
* Bluetooth MESH demos additionally require installing SEGGER Embedded Studio for ARM 4.10a.
* Some Bluetooth experiments use simulated data (e.g., heart rate, bicycle speed); real measurements require external sensors.
* The exact pin assignment of jumpers/solder joints should be verified against the schematic before modification.

== Source and revision record ==
* [https://www.waveshare.com/wiki/NRF52840_Eval_Kit NRF52840 Eval Kit - Waveshare Wiki]
* Source revision: 106121
* Captured: 2026-08-31T03:11:23+00:00
* SHA-256: <code>ff1e7844f4c15cb00f81ce887aa95bf1d49ecd4755e15a871a00fd66eb28e077</code>