nordic News - CNX Software - Embedded Systems News

December 3, 2025 by Jean-Luc Aufranc (CNXSoft) - No Comments

Nordic nRF54LV10A is a tiny, low-voltage Bluetooth LE SoC for battery-powered medical devices

Low-voltage Bluetooth LE SoC for medical wearables

Nordic Semi has unveiled a new member of the nRF54L series: the nRF54LV10A ultra-low-power, low-voltage Bluetooth LE SoC designed for battery-powered medical devices such as trackers, wearable biosensors, and continuous glucose monitors. The nRF54LV10A is offered in a tiny 2.3×1.9mm CSP package or 6x6mm QFN48 package, and since it operates within 1.2 to 1.7V DC supply, it can be powered directly by a 1.5V silver oxide battery typically found in wearables, including medical and healthcare devices. Nordic nRF54LV10A key features and specifications: CPU Arm Cortex-M33 @ up to 128 MHz with up to 1012 KB NVM and 192 KB SRAM; 123 CoreMark/mA @ 1.5 V, 503 CoreMark RISC-V coprocessor @ 128 MHz Ultra-low-power multiprotocol 2.4 GHz radio Bluetooth 6.0 LE with Channel Sounding support for distance measurement, indoor positioning, or presence detection 802.15.4..4-2020 radio up to 250 kbps Proprietary 2.4 GHz up to 4 Mbps Maximum Tx power – +4 […]

November 12, 2025November 14, 2025 by Jean-Luc Aufranc (CNXSoft) - No Comments

WisMesh Tag – A thin, IP66-rated Meshtastic GPS tracker for outdoor use

RAKwireless WisMesh Tag is a thin and rugged Meshtastic GPS LoRa tracker designed for off-grid location tracking and messaging. The 7.5mm thick device is pre-flashed with Meshtastic, dust and waterproof (IP66-rated), and powered by a 1,000mAh battery. Internally, it is built around a Nordic Semi nRF52840 wireless SoC and a Semtech SX1262 LoRa transceiver. Contrary to most DIY trackers, the device is fully certified (FCC and CE), so users across Europe and North America can deploy it for personal or professional use. WisMesh Tag specifications: SoC – Nordic Semiconductor nRF52840 CPU – 32-bit Arm Cortex-M4F microcontroller @ 64 MHz Memory – 256 KB RAM Storage – 1 MB flash Wireless – Bluetooth 5, Thread, ANT, Bluetooth Mesh, 802.15.4 (Zigbee), 2.4 GHz proprietary LoRa – Semtech SX1262 RF transceiver GNSS – AT6558R GNSS module Misc Built-in LoRa, BLE, and GPS antennas Reset/Bootloader button User Button for alarms, alerts, or future customization […]

October 10, 2025October 10, 2025 by Debashis Das - 2 Comments

FoBE IDEA Mesh Tracker C1 – An nRF52840-based LoRa GPS tracker with sensors, OLED, knob, and more

Designed by FoBE Studio in China, the FoBE IDEA Mesh Tracker C1 is a LoRa-powered off-grid communication device designed for outdoor GPS tracking, sensor data exchange, and mesh networking in remote environments. Built around the Nordic nRF52840 MCU, it integrates LoRa, GPS, BLE, and motion sensors, making it suitable for location tracking, environmental monitoring, and off-grid communication projects. The device integrates a GPS module, LoRa transceiver, 0.96-inch OLED display, buzzer, a 3-axis accelerometer, and a 3-axis gyroscope. Other ports include a USB-C port, reserved SWDIO/SWCLK headers, an 8-pin GPIO expansion header, and dual IPEX connectors for LoRa and GPS antennas. There is also a rotary encoder and two user buttons, and two indicator LEDs for controls and status feedback. Power input is provided via a 2-pin MX1.25 battery interface for portable, battery-powered outdoor IoT applications. FoBE IDEA Mesh Tracker C1 specifications: SoC – Nordic Semiconductor nRF52840 CPU – 32-bit Arm Cortex-M4F […]

September 26, 2025September 26, 2025 by Debashis Das - No Comments

Nordic nRF54LM20A Cortex-M33 wireless MCU doubles the SRAM to 512 KB, increases flash capacity

Nordic Semiconductor nRF54LM20A Low Power Matter Bluetooth MCU

Nordic Semi’s nRF54LM20A is a new Cortex-M33-based high-memory wireless MCU part of the nRF54L Series with double the SRAM and higher flash capacity compared ot the nRF54L15. It targets consumer, industrial, healthcare, and smart home applications, and is especially suitable for HID peripherals and gaming devices. The SoC integrates a 128 MHz Arm Cortex-M33 core with a RISC-V coprocessor, 2 MB NVM, and 512 KB RAM, alongside up to 66 GPIOs, high-speed USB, and Nordic’s fourth-generation ultra-low-power 2.4 GHz radio supporting Bluetooth LE, Thread, Zigbee, Channel Sounding, and Matter. It offers twice the processing power, three times the efficiency, and up to 50% lower power consumption than the nRF52 Series. nRF54LM20A key specifications and comparison with other nRF54 Series SoCs: The nRF54LM20A comes in two packages: a CSP98 (3.9 x 3.7 mm) package for compact designs with 66 GPIOs, and a QFN52 (6 x 6 mm) package with 35 GPIO […]

December 15, 2024March 29, 2025 by Sayantan Nandy - 1 Comment

Nordic Thingy:91 X multi-sensor cellular IoT platform combines nRF9151 LTE IoT SiP, nRF5340 BLE SoC, and nRF7002 WiFi 6 IC

Nordic Semiconductor introduced the Nordic Thingy:91 in mid-2019, a cellular IoT prototyping platform built around the Nordic nRF9160 system-in-package (SiP). It supports LTE-M, NB-IoT, and GPS, and includes features like an Arm Cortex-M33 core, Arm TrustZone security, and flash memory. The platform is ideal for creating IoT Proof-of-Concepts, demos, and prototypes, making it easy to test and deploy IoT applications. The upgraded Nordic Thingy:91 X features the new Nordic nRF9151 SiP, offering support for LTE-M, NB-IoT, GNSS, and DECT NR+ for global connectivity, integrates the nRF5340 SoC for USB and Bluetooth LE, and the nRF7002 IC for Wi-Fi locations. The platform includes sensors for environmental and motion sensing, one expansion connector for Qwiic/STEMMA QT and Grove modules, and antennas for LTE, GNSS, and Wi-Fi. Additionally, the kit also features a Nano/4FF SIM slot, two SIM cards, and a 1,350 mAh Li-Po battery managed by nPM6001 and nPM1300 PMICs, to support field […]

November 25, 2024November 25, 2024 by Sayantan Nandy - 3 Comments

nRF54L15 DK: A Development Kit for nRF54L15, nRF54L10, and nRF54L05 SoCs with Bluetooth, Thread, and Zigbee

The nRF54L15 DK is a development kit designed to evaluate the wireless SoCs of the nRF54L15, nRF54L10, and nRF54L05 wireless SoCs. These SoCs support multiple wireless protocols, including Bluetooth Low Energy, Bluetooth Mesh, Matter, Thread, Zigbee, and 2.4GHz proprietary protocols, with data rates of up to 4Mbps. The kit integrates the nRF54L15 SoC and provides emulation capabilities for the nRF54L10 and nRF54L05, enabling flexible testing and development across the nRF54L Series. The nRF54L series SoCs differ in memory configurations to meet various application requirements. The nRF54L15 includes 1.5 MB of non-volatile memory (NVM) and 256 KB of RAM for high-performance applications. The nRF54L10 features 1.0 MB of NVM and 192 KB of RAM for mid-range use cases, while the nRF54L05 offers 0.5 MB of NVM and 96 KB of RAM for entry-level designs requiring fewer resources. The kit is supported by the nRF Connect SDK and tools, providing access to […]

October 18, 2024December 3, 2025 by Tomisin Olujinmi - 22 Comments

Spectra is a customizable, JavaScript ESP32-S3 and nRF52832 smartwatch (Crowdfunding)

Spectra is a JavaScript-based hackable smartwatch based on the ESP32-S3 WiFi and Bluetooth microcontroller that aims to offer the quality of high-end consumer smartwatches with the repairability of a maker-targeted device. The Spectra smartwatch combines the ESP32-S3 microcontroller with a Nordic Semi nRF52832 co-processor to optimize the battery life. The ESP32-S3 is maxed out with 8MB of RAM and 32MB of external flash memory, and the microSD card slot in the watch supports up to a 512GB memory card. It shares a similar concept with the Bangle.js and the Bangle.js 2 customizable smartwatches. According to the maker, Spectra is not bound to be fully open-source, since the project uses “external proprietary code [they] aren’t allowed to share.” They plan to publish Arduino libraries and hardware design files, but there is no live GitHub repository yet. Other hackable smartwatches include the TinyWatch S3, the ZSWatch, and the Sensor Watch Pro. Spectra […]

September 28, 2024 by Sayantan Nandy - No Comments

Raytac AN7002Q – A smaller nRF7002 Wi-Fi 6 module for industrial IoT applications

IoT solutions company Raytac has introduced the AN7002Q Wi-Fi 6 module series, which integrates Nordic Semiconductor’s nRF7002 chipset and is designed for Industrial IoT, smart home, healthcare, consumer electronics, and automotive applications. They can be paired with Raytac’s MDBT53 Bluetooth LE modules based on the nRF5340 multiprotocol SoC, supporting Wi-Fi and Bluetooth LE solutions. The AN7002Q is a low-power Wi-Fi 6 module supporting dual-band 2.4 GHz and 5 GHz operation with a maximum PHY data rate of 86 Mbps (MCS7). It is compatible with IEEE 802.11ax, a/b/g/n/ac standards, and connects to a host SoC or MCU via SPI or QSPI interfaces. The module also supports coexistence with Bluetooth LE, Thread, and Zigbee systems, making it ideal for IoT applications. Previously, we covered the Abluetech PTR7002, a low-power wireless module based on the Nordic Semiconductor nRF7002. The PTR7002 has a slightly larger size and offers more GPIO options, while the AN7002Q […]