Linux 5.2 Release – Main Changes, Arm, MIPS & RISC-V Architectures

Linux 5.2 Changelog

Linus Torvalds announced the release of Linux 5.2 last Sunday: So I was somewhat pre-disposed towards making an rc8, simply because of my travels and being entirely off the internet for a few days last week, and with spotty internet for a few days before that [*]. But there really doesn’t seem to be any reason for another rc, since it’s been very quiet. Yes, I had a few pull requests since rc7, but they were all small, and I had many more that are for the upcoming merge window. Part of it may be due to the July 4th week, of course, but whatever – I’ll take the quiet week as a good sign. So despite a fairly late core revert, I don’t see any real reason for another week of rc, and so we have a v5.2 with the normal release timing. There’s no particular area that stands out there – the changes are sosmall that the appended …

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Onion Omega2 LTE Board Combines WiFi, 4G LTE and GNSS Connectivity (Crowdfunding)

Onion Omega2 LTE

Onion has launched several compact OpenWrt WiFi boards for IoT projects over the years starting with their Onion Omega board in 2015, and the latest so far being Onion Omega2 Pro with a massive 8GB storage. The company has now launched a new model with 4G LTE connectivity called Onion Omega2 LTE, based on Omega2S+ module, and also featuring GNSS global satellite positioning capability. Onion Omega2 LTE specifications: WiFi Module – Onion Omega2S+ IoT computer module with MediaTek MT7688 MIPS CPU @ 580 MHz, 128 MB RAM, 32 MB storage Cellular and GNS Module – Quectel EC25 LTE Cat 4 modem that delivers 150 Mbps downlink and 50 Mbps uplink data rates, provided either for North America or global markets External Storage – MicroSD card slot up to 2 TB (once such cards become available…) Connectivity 2.4 GHz 802.11 b/g/n Wi-Fi 4 + onboard 2 dBi direction chip antenna & U.FL connector for external antenna Cellular North America (Note: not …

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Avnet Azure Sphere MT3620 Starter Kit Features Two mikroBUS Sockets

Avnet Azure Sphere MT3620 Starter Kit

Microsoft and MediaTek worked together to design MediaTek MT3620 Arm Cortex-A7 processor with Microsoft Pluton security sub-system required for Microsoft Azure Sphere IoT ecosystem. We’ve already covered boards from Seeed Studio including the just announced low cost MT3620 mini dev board. But Microsoft also cooperated with Avnet which has recently introduced Azure Sphere MT3620 Starter Kit equipped with two mikroBUS sockets enabling the platform to leverage one of the 633 “click boards” available from MikroElektronika. Just like the latest Seeed Studio board, Avnet Azure Sphere MT3620 Starter Kit is comprised as a baseboard with a soldered-on CPU module that can later be used for mass-production is a custom designed board. Specifications: Azure Sphere MT3620 CPU Module Mediatek MT3620AN single core Arm Cortex-A7 processor @ 500 MHz with 4MB SRAM, dual core Arm Cortex-M4F real-time core @ 200 MHz with 64KB RAM, Microsoft Pluton security sub-system, and WiFi. Storage – TBD Connectivity –  Dual band 802.11 a/b/g/n WiFi with chip antenna …

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RAK Wireless Launches RAK7258 Indoor LoRa Gateway for $149

RAK7258 Indoor Gateway

RAK Wireless has just launched a new indoor LoRa gateway with their RAK7258 model featuring Semtech SX1301 8-channel digital baseband chip. The OpenWrt gateway supports Ethernet with PoE, 2.4GHz WiFi, optional NB-IoT, LTE Cat M, LTE 4G module, and is fully compatible with LoRaWAN 1.0.2. The gateway supports all main LoRa regions including EU433, CN470, EU868, US915, and AS923. RAK7258 gateway specifications: SoC – MediaTek MT7628 MIPS 24KEc processor @ 580 MHz System Memory – 128MB DDR2 RAM Storage – eMMC flash, microSD card slot Connectivity 10/100 Ethernet with PoE 802.11 b/g/n WiFi 4 with internal antenna LoRa via RAK833 mini PCIe card + RP-SMA antenna Cellular – Extended NB-IoT, Cat M, LTE 4G, supported by default; nano SIM card slot USB – 1x USB 2.0 host port Console – RJ45 RS-232 port Misc – 6x status LED Power Supply – 12V/2A (default) or 42-57V DC PoE Dimensions – 180 x 120 x 43 mm (plastic enclosure) Weight – 300 …

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MT3620 Mini Dev Board is a Cheaper Microsoft Azure Sphere Board

MT3620 Mini Dev Board

Announced nearly one year ago, Microsoft Azure Sphere is an ecosystem comprised of Azure MCUs with Microsoft Pluton Security System, Linux based Azure Sphere OS, and a secure cloud service called Azure Sphere Security Service. The first official Azure development board – MT3620 Development Board for Azure Sphere – was launched last year for $84.95. The kit may not have attracted a large number of developers, so there’s now a cheaper version – MT3620 Mini Dev board – going for $34.90 on Seeed Studio. Note that’s a pre-order and shipping is scheduled for May 13, 2019. MT3620 Mini dev board specifications: CPU Module – AI-Link WF-M620-RSA1 module with Mediatek MT3620AN single core Arm Cortex-A7 processor @ 500 MHz with 4MB SRAM, dual core Arm Cortex-M4F real-time core @ 200 MHz with 64KB RAM, Pluton security sub-system, and WiFi. Storage – 2x 8MB dual channel quad SPI (TBC) Connectivity –  Dual band 802.11 a/b/g/n WiFi 1T1R with main and aux PCB antennas, …

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$200 Omega2 WiFi LIDAR Kit Comes with a 360˚ 2D LIDAR Scanner

Omega2 Wireless LiDAR kit

Onion Omega2 is a tiny WiFi board running OpenWrt that launched for as low as $5 via a crowdfunding campaign around 2 years ago, and at the time I reviewed Onion Omega2+ board – which comes with more memory and storage – together with its dock, and I found it was fairly easy to get started with the solution. You can now buy the board for a little over $10, but the company also offers kits, and their latest product is Omega2 wireless LIDAR kit with an indoor 360˚ 2D LiDAR scanner that uses rotating laser ranging to measure and map exact distances to indoor surroundings. The kit is comprised of the following items: Onion Omega2+ board with MediaTek MT7688 MIPS processor, 128MB RAM, 32MB flash Power Dock 2 with 30-pin expansion header and USB host port Delta2B 360˚ LiDAR Scanner Up to 5000 samples/second Range – 0.2 to 8 meters Scan Rate – 4 ~ 10 Rotation/Sec Laser – …

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Xunison X-Brain Android Smart Home Hub Supports Z-Wave and Bluetooth Controllers

Xunison-X-Brain-1200

Xunison X-Brain is an All-in-One smart home hub that integrates a high-performance secure router, a home server, a WiFi, Z-Wave & Bluetooth gateway. X-Brain runs Android TV operating system, so you can watch live television, stream videos from Netflix, Hulu or IPTV services with EPG, as well as install apps from Google Play. The home automation part of the system allows you to control Z-Wave & Bluetooth Smart Home devices, monitor your home security system, control your home energy consumption, and so on. Xunison X-Brain V1 preliminary hardware specifications: Multimedia subsystem SoC – Unnamed quad-core processor @ 1.5 GHz with penta-core Arm Mali-450 3G GPU, likely Amlogic S905X System Memory – 2GB DDR3 Storage – 16 GB eMMC flash + micro SD card slot Video Output – HDMI + AV port (composite) Audio – HDMI output, AV (stereo audio), and S/PDIF Router subsystem SoC – Mediatek MT7628 580MHz MIPS 24KEc processor Storage – 256 Mbit flash WiFi – 802.11n 2T2R …

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Onion Omega2 Pro OpenWrt Linux IoT Board Comes with 8GB Storage (Crowdfunding)

Omega2 Pro

Onion Omega2 and Omega2 Plus are MediaTek MT7688 MIPS based WiFi boards for IoT applications that were launched in 2016 for as low as $5. Both boards run OpenWrt (LEDE at the time), and Omega2 Plus included more memory and storage with respectively 128MB RAM, 32MB flash and a micro SD card. But Onion team found out that many users needed more storage space, and they’ve now come up with Omega2 Pro model with the same processor, 128MB RAM, and large 8GB flash considering we’re talking about a board running OpenWrt 18.06 here. Onion Omega2 Pro specifications: Wireless Module – Onion Omega2S+ with SoC – MediaTek MT7688 MIPS processor @ 580 MHz System Memory – 128MB DDR2 RAM Connectivity – 2.4 GHz 802.11 b/g/n Wi-Fi 4 Antenna – 2 dBi directional chip antenna (on mainboard) & u.FL connector for external antenna (on-module) Storage – 8 GB eMMC flash USB – 1x USB 2.0 host port, 1x micro USB port for …

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