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Nordic Semiconductor nRF52840

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description Nordic Semiconductor nRF52840 Overview

The nRF52840 remains a gold standard for Bluetooth Mesh due to its proven reliability and excellent power efficiency. While newer chips offer more cores, the 52840 is often preferred for simpler mesh nodes where low cost and a mature software ecosystem are paramount. It provides high-quality radio performance and is widely supported by third-party developers.

help Nordic Semiconductor nRF52840 FAQ

Why is the nRF52840 popular for Bluetooth Mesh?

The nRF52840 combines a mature Nordic SDK ecosystem with low-power Bluetooth performance. It is widely used in mesh nodes, beacons, sensors, and embedded wireless products.

What CPU is inside the Nordic nRF52840?

The nRF52840 uses an Arm Cortex-M4 processor with floating-point support. Nordic lists it with 1 MB of flash and 256 KB of RAM.

Does the nRF52840 support only Bluetooth?

No. In addition to Bluetooth Low Energy, the nRF52840 is used for Thread, Zigbee, and 2.4 GHz proprietary wireless designs.

How does the nRF52840 compare with newer nRF53 chips?

The nRF53 family adds a dual-core architecture for more demanding designs. The nRF52840 remains attractive when a project values proven tooling, broad module availability, and lower complexity.

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