IoT News - CNX Software - Embedded Systems News

February 21, 2025February 21, 2025 by Debashis Das - No Comments

Renesas RA4L1 ultra-low-power MCU family offers 168 µA/MHz operation, dual-bank flash, capacitive touch

Renesas has recently introduced the RA4L1 ultra-low-power Arm Cortex-M33 MCU family along with two evaluation/development boards. This new lineup consists of 14 ultra-low-power devices based on an 80 MHz Arm Cortex-M33 processor with TrustZone support and designed for metering, IoT sensing, smart locks, digital cameras, and human-machine interface (HMI) applications. The RA4L1 MCU family offers high power efficiency at 168 µA/MHz while active and a standby current of 1.70 µA while retaining SRAM. Additionally, they support segment LCD, capacitive touch, USB-FS, CAN FD, low-power UART, multiple serial interfaces (SPI, QSPI, I2C, I3C, SSI), ADC, DAC, real-time clock, and security features like the RSIP security engine with TRNG, AES, ECC, and Hash. Renesas RA4L1 microcontroller Renesas RA4L1 specifications MCU core Arm Cortex-M33 core (Armv8-M) Up to 80 MHz operating frequency Arm Memory Protection Unit (MPU) 8 secure regions (MPU_S) 8 non-secure regions (MPU_NS) CoreSight ETM-M33 Dual SysTick timers (secure & non-secure) […]

February 21, 2025February 20, 2025 by Debashis Das - No Comments

Femtofox Pro v1 LoRa and Meshtastic development board runs Linux-based Foxbuntu OS on Rockchip RV1103 SoC

Femtofox Pro v1 kit LoRa and Meshtastic development board

The Femtofox Pro v1 kit is a compact, low-power LoRa and Meshtastic development board running Linux specially designed for Meshtastic networks. Built around the Luckfox Pico Mini (Rockchip RV1103) SBC, this compact development platform supports USB host/device functionality, Ethernet, WiFi over USB, GPIO interfaces, I2C, UART, and a real-time clock (RTC). The most unique feature of this board is that it operates at very low power (0.27-0.4W), making it ideal for solar-powered applications. Additionally, Femtofox supports native Meshtastic client control, USB mass storage, and network reconfiguration via a USB flash drive. It also includes user-configurable buttons for WiFi toggling and system reboot, enhancing its usability. These features make Femtofox particularly useful for applications such as emergency response and off-grid messaging. Femtofox Pro v1 kit specifications Mainboard – Luckfox Pico Mini A SoC – Rockchip RV1103 SoC CPU – Arm Cortex-A7 processor @ 1.2GHz + RISC-V core Memory – 64MB DDR2 […]

February 18, 2025February 19, 2025 by Tomisin Olujinmi - 3 Comments

Vaaman reconfigurable edge computer features Rockchip RK3399 SoC and Efinix Trion T120 FPGA (Crowdfunding)

Vaaman is a reconfigurable single-board edge computer that integrates a Rockchip RK3399 hexa-core ARM processor with an Efinix Trion T120 FPGA, offering a reconfigurable platform for edge computing applications. The board combines the flexibility of an FPGA with the raw power of a hard processor to create a system capable of adapting to varying computational demands in real time. The compact SBC features the Rockchip RK3399 hexa-core processor with two Cortex-A72 cores and four Cortex-A53 cores, as well as an Efinix Trion T120 FPGA with 112,128 logic elements, interlinked with RK3399 via a high-speed 300Mbps bridge (but it’s unclear how this is implemented). It is billed as a “Raspberry Pi-style board for the FPGA world” that can be used for cryptographic acceleration, software-defined radio (SDR), digital signal processing, real-time robotics, real-time video processing, edge AI deployments, industrial automation, and hardware prototyping. It features a 40-pin Raspberry Pi-compatible GPIO header and […]

February 17, 2025February 17, 2025 by Debashis Das - 14 Comments

HaLowLink 1 Wi-Fi HaLow gateway turns legacy devices into Wi-Fi HaLow clients via Ethernet, USB, or 2.4 GHz Wi-Fi

MorseMicro HaLowLink 1 Long Range Sub GHz Wi Fi HaLow

Morse Micro in collaboration with GL.iNet has recently showcased the HaLowLink 1 Wi-Fi HaLow gateway, which the company terms as Wi-Fi HaLow reference design and evaluation platform developed for long-range, low-power wireless connectivity for IoT applications. Built around the AzureWave AW-HM593 module with Morse Micro MM6108 silicon, it supports 1/2/4/8 MHz bandwidths. It features a MediaTek MT7621A dual-core CPU, Wi-Fi 4 module, dual Gigabit Ethernet, USB-C, and an SMA antenna connector, allowing it to work as a Wi-Fi HaLow router, access point, or extender. The device runs OpenWrt and provides an intuitive web-based UI and SSH/CLI configuration. OpenWrt also gives access to a web-based UI and SSH/CLI configuration. These features make this device useful for applications like smart homes, industrial automation, agriculture, and telecommunications. HaLowLink 1 specifications: SoC – Mediatek MT7621 dual-core, quad-thread MIPS1004K processor @ up to 880MHz System Memory – 256MB DDR3 (optional 512 MB) Storage – 32MB […]

February 12, 2025February 13, 2025 by Tomisin Olujinmi - 1 Comment

Stackable HAT brings high-resolution 24-bit ADC to Raspberry Pi (Crowdfunding)

24 bit ADC 8 layer Stackable HAT on Raspberry Pi

Sequent Microsystems’ “Eight 24-bit ADC 8-layer Stackable HAT” is a Raspberry Pi expansion board designed for home automation projects. It is compatible with all Raspberry Pi models with a 40-pin GPIO header and features a stackable design that provides scalability for more complex setups. It includes eight independent 24-bit ADC channels, providing ultra-high resolution for measuring small analog signals accurately. It also features programmable gain amplifiers on each input channel for amplifying weak signals and optimizing the ADC’s input range. It is stackable up to eight layers, allowing for up to 64 differential analog inputs. It provides 4A continuous and 5A peak power to the Raspberry Pi via the GPIO header. It sends data via the I2C lines, leaving all other pins free for use. Also, it supports isolated RS485 communication for long-distance connectivity. The 8-layer Stackable HAT for Raspberry Pi is suitable for precision data acquisition applications, including industrial […]

February 10, 2025February 9, 2025 by Debashis Das - No Comments

STMicro’s STEVAL-MKI109D evaluation board supports all ST MEMS sensors with a DIL24 socket

STEVAL MKI109D MEMS sensor evaluation board

STMicroelectronics has introduced the STEVAL-MKI109D a MEMS sensor evaluation board, designed to test and optimize STMicro’s MEMS sensors for various applications, including industrial automation, smart agriculture, and consumer electronics. Built around the STM32H563ZI Arm Cortex-M33 MCU this development board features I²C, I3C, and SPI interfaces, along with a TDM interface for high-speed sensor data communication. The board is also compatible with STMicro MEMS DIL24 adapter boards, which makes it easy for engineers to test different sensors. Additionally, it has software-adjustable power circuitry (0–3.6V), and onboard power monitoring for accurate analysis of sensor performance. STEVAL-MKI109D specifications Main MCU – STMicro STM32H563ZI Arm Cortex-M33 MCU with DSP and FPU Storage – MicroSD card slot Sensors – Supports all STMicro MEMS DIL24 compatible adapter boards Interfaces – I²C, I3C, SPI, TDM USB – USB Type-C connector for power and programming Misc Onboard J6 connector for STM32 programming and debugging Onboard J9 connector for […]

February 6, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

IBASE IB839 3.5-inch SBC features Intel Atom x7211RE, Atom x7433RE, or Processor N97 CPU

IBASE Technology IB839 is a 3.5-inch single board computer (SBC) powered by Intel Atom x7211RE or x7433RE Amston Lake processors for industrial temperature range or Processor N97 Alder Lake-N processor for commercial temperature range, and designed for edge computing, IoT, and automation systems. The IB839 supports up to 16GB DDR5-4800 SO-DIMM memory, offers three display interfaces via two DisplayPort (DP++) and eDP or LVDS, dual 2.5GbE, SATA III storage, four COM ports, up to six USB interfaces, and can be expanded through M.2 sockets (M-key, E-key, and B-key) for SSDs, WiFi, and WWAN modules. IBASE IB8939 specifications: SoC (one or the other) Intel Atom x7211RE dual-core Amstom Lake processor @ 2.0 to 3.4 GHz with 6MB cache, 16EU Intel UHD graphics; TDP: 9W Intel Atom x7433RE quad-core Amston Lake processor @ up to 3.4 GHz with 6MB cache, 32EU Intel UHD Graphics; TDP: 9W Intel Processor N97 quad-core Alder Lake-N […]

February 6, 2025 by Debashis Das - 2 Comments

Pimoroni Interstate 75 W (RP2350) board is designed for HUB75 LED matrix panels

Interstate 75 W RGB LED Matrix Driver board

Pimoroni Interstate 75 W (RP2350) is an all-in-one RGB LED matrix driver board designed for HUB75 LED matrix panels commonly used in video walls, advertising displays, and creative signage. Built around a Raspberry Pi RP2350 chip this board also uses the Raspberry Pi’s CYW43439 module for Wi-Fi and Bluetooth and features user buttons, an RGB LED, and a Qw/ST connector for integration with Qwiic/STEMMA QT breakouts. The kit is compatible with various LED matrix sizes (32×32, 64×64, etc.) and comes in a starter kit with panels, cables, and magnetic feet for quick setup. All these features make this kit useful for applications including real-time data like bus times, air quality, or sensor outputs, dynamic signage, scrolling text, and more. Pimoroni Interstate 75 W (RP2350) specifications: SoC – Raspberry Pi RP2350A CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trust zone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Up […]