The Blette Stick relies on Bluetooth 5.0 LE for off-grid messaging with up to 1.1km range

Blette Stick Bluetooth LE offgrid communication

The Blette Stick is a Bluetooth 5.0 LE USB-C dongle designed to be attached to an Android smartphone in order to provide off-grid messaging and GPS coordinates sharing capabilities with a range of up to 1.1km in case WiFi and cellular networks are down. CNX Software readers may also be familiar with Meshtastic devices relying on WiFi to connect to the smartphone with Bluetooth and to other nodes using LoRaWAN to enable off-grid messaging while trekking or during emergencies. The Blettle Stick does something similar to the Meshtastic project but with Bluetooth LE long-range communication instead of Bluetooth+LoRaWAN. While the range will be shorter and limited to around 1km (line-of-sight), the plug-and-play design will make it easier to use for typical users who are not technically savvy. Blettle Stick specifications: SoC – Nordic Semi nRF52 Bluetooth 5.0 LE microcontroller (exact part number not specified, possibly nRF52840) Wireless – Bluetooth 5.0 […]

Texas Instruments AM6232/AM6254-powered SBC and industrial IoT gateway offered with a 20-year lifespan


AAEON’s PICO-AM62 and SRG-AM62 are respectively a single board computer (SBC) and an industrial IoT gateway powered by Texas Instruments AM6232 or AM6254 Sitara Arm Cortex-A53/M4 SoC, designed to operate within the -40°C to 85°C temperature range, and offered with a 20-year lifespan. The SRG-AM62 gateway simply houses the PICO-AM62 pico-ITX SBC within a metal case so both offer dual gigabit Ethernet, HDMI 1.4 port, and two USB 2.0 as well as communication interfaces such as RS-232/422/485 and  CAN Bus. Designed to be operated in industrial settings, the systems support a wide 9V to 36V input voltage range. PICO-AM62 SBC and SRG-AM62 gateway specifications: SoC – Texas Instruments AM623x either AM6232 Sitara with dual-core Arm Cortex-A53 processor @ up to 1.4 GHz, Cortex-M4F real-time core @ 400 MHz, no 3D GPU AM6254 Sitara with quad-core Arm Cortex-A53 processor @ up to 1.4 GHz, Cortex-M4F real-time core @ 400 MHz, Imagination […]

Radxa X4 low-cost, credit card-sized Intel N100 SBC goes for $60 and up

Radxa X4 x86 Raspberry Pi 5 SBC

Radxa X4 is a credit card-sized Intel Processor N100 single board computer (SBC) that costs almost the same as a Raspberry Pi 5 with the 4GB RAM model going for about $60 and the 8GB RAM variant around $80. The x86 SBC offers many of the same features as the Raspberry Pi 5 including dual micro HDMI output, four USB 3.2/2.0 ports, Ethernet and WiFi networking, and the 40-pin GPIO header handled through a Raspberry Pi RP2040 microcontroller.  Networking is better with 2.5GbE and WiFi 6, M.2 SSD support is built-in and four to eight times faster compared to PCIe HAT for the Pi 5, and the USB 3.2 ports are capable of 10 Gbps speed. So let’s little not too like, and the main downside is the lack of MIPI CSI and DSI connectors for projects requiring those camera and display interfaces. Radxa X4 specifications: SoC – Intel Processor […]

How to easily enable MediaTek MT7922 Bluetooth on Ubuntu 24.04

MT7922 Bluetooth Ubuntu 24.04

MediaTek MT7922 WiFi 6 and Bluetooth 5.3 modules have recently been found in several mini PCs, but Bluetooth would not work in Linux due to a lack of drivers. In this post, we’ll show how to easily enable Bluetooth in MediaTek MT7922 modules when running Ubuntu 24.04. We previously noted that Ian Morrisson submitted a patch adding the IDs for the MT7922 module (Azurewave AW-XB591NF) used in recent GEEKOM mini PCs last March. In theory, you could have rebuilt the Linux kernel, but now that Linux 6.10 has been released, it’s much easier since Canonical has made the Linux 6.10 kernel available for Ubuntu, so we only need to install it and problem solved! Ubuntu 24.04 ships with Linux 6.8, we can see a Bluetooth opcode error in the kernel log.

$39 Acelink SM81 MediaTek Filogic 820 WiFi 6 system-on-module runs OpenWrt 23.05 or Debian 11

ACELINK SM81 MediaTek Filogic 820 system-on-module

Acelink SM81 is a compact (50x36mm) system-on-module based on the MediaTek Filogic 820 (MT7981A/B) processor with WiFi 6 and Ethernet connectivity designed for IoT applications such as routers, access points, and gateways. The wireless module ships with up to 1GB DDR4 memory, a 2MB NOR flash for the bootloader, a 32GB eMMC flash for Linux or an optional NAND flash, and exposes various I/Os such as gigabit Ethernet, USB 3.0, PCIe 2.1, UART, and more through castellated holes. Acelink SM81 specifications: SoC (one or the other) MediaTek MT7981AA (Filogic 820) dual-core processor @ 1.3 GHz MediaTek MT7981BA (Filogic 820) dual-core processor @ 1.3 GHz without PCIe interface System Memory – 1GB DDR4 @ 2133 Mbps Storage 2MB NOR flash for bootloader 16GB or 32GB eMMC flash for main OS (OpenWrt) Footprint for NAND flash Wireless Radio Mode – 2.4GHz 2×2 + 5GHz 3×3  MIMO via MT7976CN RF IC Radio Frequency […]

MW-100-NAS Intel N100 motherboard features six SATA ports, two M.2 PCIe sockets, 2.5GbE and 10GbE interfaces

MW-100-NAS motherboard

The MW-100-NAS mini-ITX motherboard is powered by an Intel Processor N100 Alder Lake-N CPU and seems especially suited for NAS (networked-attached storage) applications with six SATA connectors, two M.2 Key-M sockets for NVMe drivers, one 10GbE port, and two 2.5GbE RJ45 jacks. The motherboard supports up to 32GB DDR5 memory, features HDMI and DisplayPort video output ports, a COM port header, and plenty of external and internal USB interfaces. It takes power from a standard ATX connector. NW-N100-NAS motherboard specifications: SoC – Intel Processor N100 quad-core Alder Lake-N processor @ up to 3.4 GHz (Turbo) with 6MB cache, 24EU Intel HD graphics @ up to 750 MHz; TDP: 6W System Memory – Up to 32GB DDR5-4800 via SO-DIMM socket Storage 2x M.2 sockets for NVMe SSDs onboard 6x SATA connectors MicroSD card slot Video Output – 1x HDMI, 1x DisplayPort  Networking 2x 2.5GbE RJ45 ports via Intel i226-V controllers 1x […]

Panthor open-source driver achieves OpenGL ES 3.1 conformance with Arm Mali-G610 GPU (RK3588 SoC)

Panthor OpenGL ES 3.1 conformance Mali G610

Collabora has just announced that the Panthor open-source GPU kernel driver for third-generation Arm Valhall GPUs (Arm Mali-G310, Mali-G510, Mali-G610, and Mali-G710) has now achieved OpenGL ES 3.1 conformance with the Arm Mali-G610 GPU found in the Rockchip RK3588 SoC. Just a few days ago, Linux 6.10 was released with “support for Mali CSF-based GPUs found on recent Arm SoCs from Rockchip or Mediatek”, as expected from the earlier article entitled “Panthor open-source driver for Arm Mali-G310, Mali-G510, Mali-G610, and Mali-G710 GPUs to be part of Linux 6.10” published last March. But this did not say anything about the level of support for the Valhall GPU since it’s common for new hardware to be added with minimal support, and OpenGL ES 3.1 compliance means it’s ready for business… Collabora’s announcement explains this was tested on a Radxa Rock 5B single board computer: The conformance tests ran on a Rock5b board […]

StackyFi ESP32-S3 board features camera connector, 40-pin GPIO header for Raspberry Pi HAT (Crowdfunding)

StackyFi ESP32-S3 Raspberry Pi Zero board

SB Components’ StackyFi is an ESP32-S3 WiFi and Bluetooth IoT board with a 40-pin GPIO header compatible with most Raspberry Pi HAT expansion boards and a camera connector for image capture to a microSD card or machine learning applications. The Raspberry Pi Zero-sized board also comes with two USB Type-C ports, one “native” and the other for serial debugging, an IMU sensor, an RGB LED, and Boot and Reset buttons. The board can be powered through one of the USB-C ports or a LiPo battery. It partially builds upon the earlier StackPi board with a Raspberry Pi RP2040 microcontroller. StackyFi specifications: Wireless module – ESP32-S3-WROOM-1 MCU – ESP32-S3 dual-core Tensilica LX7 up to 240 MHz with 512KB SRAM Memory – TBD PSRAM Storage – TBD flash Wireless – WiFi 4 and Bluetooth LE 5 PCB antenna Storage – MicroSD card Camera I/F – FPC connector that works with OV2640 camera […]

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