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Posted on by Debashis Das - No Comments on Cerelog ESP-EEG – A low-cost ESP32-based EEG acquisition board for brain computer interface (BCI) experiments

Cerelog ESP-EEG – A low-cost ESP32-based EEG acquisition board for brain computer interface (BCI) experiments

Cerelog ESP EEG ESP32 EEG acquisition board

The Cerelog ESP-EEG is an 8-channel, low-cost brain computer interface (BCI) circuit board built around the ESP32 MCU and designed for EEG data acquisition. The board supports 8-channel, 24-bit EEG data collection and connects to a host system over USB-C for both power and data. The board has an active noise-removal bias pin which reduces mains interference, along with onboard status LEDs, including a dedicated indicator for active data capture. It works with third-party or DIY EEG headsets using adapter boards, and STL files are provided for 3D printed mounts. Cerelog also offers various software tools and sample code to enable real-time EEG visualization, BCI experiments, neurofeedback, and custom brain-controlled applications. Cerelog ESP-EEG specifications: Wireless Module – ESP32-WROOM-32 SoC – ESP32 CPU – Dual-core processor @ 160 MHz Memory  – 520 KB SRAM Wireless WiFi 802.11 b/g/n, Bluetooth 4.2 Storage – 4 MB flash PCB antenna Analog Front-End (via TI’s […]

Posted on by Debashis Das - 3 Comments on HealthyPi 6 – A portable Wi-Fi 6 biosignal acquisition device with ECG, PPG, respiration, and temperature sensors (Crowdfunding)

HealthyPi 6 – A portable Wi-Fi 6 biosignal acquisition device with ECG, PPG, respiration, and temperature sensors (Crowdfunding)

HealthyPi 6 open source multi modal biosignal research platform

Designed by ProtoCentral Electronics in India, the HealthyPi 6 is an open-source, portable, research-grade biosignal acquisition device designed for academic research, education, and prototyping. It targets labs, classrooms, and field studies that need professional-quality physiological measurements without bulky desktop systems or proprietary lock-in. Building on the HealthyPi 5 (2023) and HealthyPi 4 (2019), the HealthyPi 6 is a standalone device with 3-channel/5-lead ECG, dual-wavelength PPG for heart rate and SpO₂, respiration via impedance pneumography, skin temperature sensing, and a 9-axis IMU for motion and artifact detection. Built around the STM32H757 real-time microcontroller and an ESP32-C6 handling Wi-Fi 6 and BLE connectivity, the device features a USB-C port, onboard flash and microSD storage, and 48+ hours of operation on a charge. Modular HealthyLink ports allow for EEG, EMG, GSR, additional analog inputs, triggers, and co-processors expansion. These features make it suitable for cardiovascular and sleep research, rehabilitation studies, wearable prototyping, biosignal […]

Posted on by Debashis Das - No Comments on Nordic nRF7002 EBII adds dual-band Wi-Fi 6 to nRF54L series development kits

Nordic nRF7002 EBII adds dual-band Wi-Fi 6 to nRF54L series development kits

nRF7002 EBII Wi Fi 6 Expansion Board

Nordic has introduced the nRF7002 EBII as an updated Wi-Fi 6 expansion board for its nRF54L series development kits. The earlier nRF7002 WiFi 6 board was a low-cost add-on for the Thingy:53, mainly for basic prototyping. The new EBII is designed for the newer nRF54L series of SoCs with dual-band Wi-Fi 6 support, power-profiling options, and more. Built around the nRF7002 Wi-Fi Companion IC, it supports Wi-Fi 6 features such as TWT, OFDMA, and BSS coloring for power efficiency and reduced interference. The EBII communicates with nRF54L15 and nRF54LM20 DKs through SPI/QSPI host interfaces, and includes headers for power profiling. Additionally, it features an onboard chip antenna, supports both STA and SoftAP modes, and maintains backward compatibility with 802.11a/b/g/n/ac. These features make it suitable for low-power multiprotocol IoT devices in smart homes, Matter, industrial sensing, wearables, and connected health applications. nRF7002 Expansion Board II specifications: Wi-Fi Companion IC – Nordic nRF7002 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Nordic nRF54LV10A is a tiny, low-voltage Bluetooth LE SoC for battery-powered medical devices

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 […]

Posted on by Debashis Das - No Comments on Arduino-programmable environmental and air quality sensor kit features ENS160 and BME280 sensors

Arduino-programmable environmental and air quality sensor kit features ENS160 and BME280 sensors

Novaduino Environmental Sensor Kit

Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and weather monitoring solution built around the company’s own Novaduino Display Module. It provides VOCs, eCO₂, temperature, humidity, and barometric pressure data in real time, making it ideal for Smart Home experiments, classroom projects, or hobby weather-station builds. The kit integrates a Sciosense ENS160 air-quality sensor and Bosch BME280 environmental sensor connected via Qwiic, which measures TVOCs, eCO₂, temperature, humidity, and pressure with an on-device AQI indicator. It includes the Novaduino display PCBA, 2.4-inch IPS touchscreen, buttons, rotary encoder, Feather M0 Express or RP2040 module support, headers, mechanical hardware, and optional 3D-printable enclosures (STL/F3D/STP).  Designed for learning soldering, assembly, and Arduino programming, the kit is uncalibrated and intended for educational and experimental use only. Novaduino Environmental Sensor Kit specifications: Core Platform – Novaduino 2.4-Inch Display Module Supported development boards – Adafruit Feather and […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Neuro PlayGround Lite – A multichannel wireless bio-signal capture board for HCI & BCI projects (Crowdfunding)

Neuro PlayGround Lite – A multichannel wireless bio-signal capture board for HCI & BCI projects (Crowdfunding)

Neuro PlayGround Lite

Neuro PlayGround Lite, or NPG Lite for short, is an ESP32-C6-powered multichannel wireless bio-signal capture board designed for HCI (Human-Computer Interface) and BCI (Brain Computer Interface) projects and applications. It can capture Electrocardiography (ECG), Electromyography (EMG), Electrooculography (EOG), or Electroencephalography (EEG) signals, and the ESP32-C6-MINI-1 module used in the design supports 2.4 GHz WiFi 6, Bluetooth LE, Zigbee, and Thread for mesh networking. It also follows the Adafruit Feather form factor, so it can be expanded with FeatherWings add-ons, including the company’s Playmate boards. Neuro PlayGround Lite specifications: Wireless Module – Espressif Systems ESP32-C6-MINI-1-N4 SoC – Espressif Systems ESP32-C6 CPU Single-core 32-bit RISC-V clocked up to 160 MHz Low-power RISC-V core @ up to 20 MHz Memory/Storage – 320KB ROM, 512KB SRAM Wireless – 2.4 GHz WiFi 6, Bluetooth 5.0, and 802.15.4 radio (for Thread/Zigbee) Storage – 4MB flash Antenna – PCB antenna USB – USB Type-C port for power/charging […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 4 Comments on STMicro STM32U3 ultra-low-power Cortex-M33 MCU achieves 117 Coremark/mW in active mode, consumes 1.6 µA in stop mode

STMicro STM32U3 ultra-low-power Cortex-M33 MCU achieves 117 Coremark/mW in active mode, consumes 1.6 µA in stop mode

STM32U3 block diagram

STMicro STM32U3 is a new family of Arm Cortex-M33 microcontrollers clocked at up to 96 MHz with ultra-low-power consumption designed for utility meters, healthcare devices such as glucose meters and insulin pumps, and industrial sensors. The company says the STM32U3 MCU family is a “market leader in terms of efficiency” with 117 Coremark/mW in active mode, and consumes 1.6µA in stop mode. The Coremark/mW score means the STM32U3 offers almost twice the efficiency of the STM32U5 series, and five times that of the STM32L4 series. Other highlights include up to 1MB of dual-bank flash, 256kB of SRAM, and various interfaces like MIPI I3C, SAI audio, 12-bit ADC, etc… STMicro STM32U3 key features and specifications: MCU Core 32-bit Arm Cortex-M33 CPU @ 96 MHz with TrustZone and FPU Performance 1.5 DMIPS/MHz (Dhrystone 2.1) 387 CoreMark (4.09 CoreMark/MHz) 500 ULPMark-CP 117 ULPMark-CM 202000 SecureMark-TLS ART Accelerator with DSP instructions Memory/Storage 256 KB […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Kontron 3.5″-SBC-AML/ADN 3.5-inch Amston Lake/Alder Lake-N single board computer offers three DisplayPort video outputs

Kontron 3.5″-SBC-AML/ADN 3.5-inch Amston Lake/Alder Lake-N single board computer offers three DisplayPort video outputs

Kontron 3.5"-SBC-AML/ADN single board computer

Kontron 3.5″-SBC-AML/ADN is a 3.5-inch single board computer powered by either Intel Amston Lake (Industrial grade) or Alder Lake-N (commercial grade) processor and designed for applications such as automation, healthcare, smart city, and smart retail. It builds upon the smaller Kontron 2.5”-SBC-AML/ADN Pico-ITX SBC with many of the same features, but replaces eMMC flash storage with an M.2 SATA/NVMe socket and a SATA connector, features DDR5 SO-DIMM memory instead of soldered-on LPDDR5, and the larger PCB size allows it to gain an extra DisplayPort connector, a USB 2.0 Type-A port, additional serial ports, and a board-to-board (B2B) connector for expansion. It also supports a wider 9 to 36V DC range. Kontron 3.5″-SBC-AML/ADN specifications: SoC Standard Intel Atom x7211RE dual-core processor up to 3.2GHz with 6MB cache, 16EU Intel UHD graphics; TDP: 6W Intel Atom x7433RE quad-core processor up to 3.4GHz with 6MB cache, 32EU Intel UHD graphics; TDP: 9W Intel […]