nRF52805

Ultra-compact, cost-optimized BLE 5.4 SoC with 192KB Flash and 24KB RAM. The smallest, most affordable chip in the nRF52 series for simple BLE applications.

Full Zephyr RTOS / nRF Connect SDK support. FirmwareMaestro generates Zephyr-native projects (prj.conf, CMakeLists.txt, Devicetree overlays) targeting this MCU.

Ultra-compact, cost-optimized BLE 5.4 SoC with 192KB Flash and 24KB RAM. The smallest, most affordable chip in the nRF52 series for simple BLE applications.

Specifications

Spec	Value
Flash	192KB
Ram	24KB
Core	ARM Cortex-M4
MaxClock	64 MHz
Gpio	18

Wireless Protocols

ble, 2.4ghz-proprietary

Hardware Features

arm-cortex-m4, low-power, adc, spi, i2c, uart

Vendor

Nordic Semiconductor — SDKs: nRF Connect SDK, Zephyr RTOS

Recommended Use Cases

BLE Beacon

Bluetooth Low Energy beacon for indoor positioning, proximity marketing, and asset presence detection. Optimized for years of battery life on a coin cell.

Wireless Remote Control

Low-power wireless remote control with buttons, joysticks, or touch interface for controlling drones, toys, home entertainment, or industrial equipment.

Ready-Made Solutions

nRF52805 Wireless Remote

Build the smallest possible BLE remote control with the nRF52805 — HID-over-GATT button and joystick input with ultra-compact PCB footprint and coin-cell power.