BT840
Overview
The BT840 is a high-performance Bluetooth 5.0, Thread, and Zigbee module based on the Nordic nRF52840 SoC. It features an integrated PCB trace antenna and an ARM Cortex-M4F processor, supporting complex wireless applications with a wide 1.7V to 5.5V supply range.
Why Choose This Part
The module offers a significant 1MB Flash and 256kB RAM memory footprint, allowing for large application code and OTA updates. Its built-in DC-DC converter and low-power modes optimize battery life, while the 8dBm output power ensures reliable indoor range.
Applications
Key Specifications
Getting Started
Developers can utilize the Nordic nRF5 SDK or Zephyr RTOS with the nRF Connect SDK for firmware development. Hardware evaluation is typically performed using the Fanstel EV-BT840 evaluation board which provides access to all 61 pins and integrates with the Nordic nRF52 DK via the SWD header.



