stm32 News - Page 22 of 29 - CNX Software

August 22, 2019August 24, 2019 by Siji Sunny - 15 Comments

Qt for MCUs – Qt Announces support for Microcontrollers

[Update August 24, 2019: Added information about expected release date and license] About Qt for MCUs Qt- The well known opensource toolkit for creating graphical interface announced their new release: Qt for MCUs, targeting MCU’s. The new graphical toolkit will be capable of running on devices without operating system. This may be a game changer in the entire MCU world, since Qt for MCUs allows developers to create fluid user interfaces on cost-effective micro controllers. This means we will be able to see smartphone like GUI’s which are running on low-end MCU’s with limited resources. With reference to their press release, assuring that Qt-GUI will consume less power to save the battery life. Qt for MCUs Software Stack While developing any applications for MCU, developers still can use their powerful declarative UI language QML and rich set of ready-made Qt Quick controls. And the C++ APIs, helps the user interface […]

August 20, 2019August 20, 2019 by Siji Sunny - 5 Comments

mDash Cloud platform for IoT Devices Targets ESP8266/ESP32, STM32, and TI CC3220 Wireless MCUs

Cesanta (a company based in Dublin, Ireland) recently launched mDash – an IoT cloud platform for administration of various IoT modules. This platform supports Espressif’s modules ESP32 & ESP8266, STM32 (L4,M4) and TI CC3220, and offers a bunch of features which are known to be challenging tasks in the IoT world. This includes OTA (Over-The-Air) firmware updates, remote configuration and administration, alerts and notifications, remote device control and file management. This can be achieved through 3 programming platforms – Arduino IDE, ESP-IDF and through Mongoose OS. For evaluation and testing purpose mDash offers a simulator that run as a docker container. Refer our previous post, to understand how to get started with Cesanta’s Moongoose OS for ESP8266. Basic WorkFlow mDash Library The company offers reference firmware/library for the defined hardware platforms. This been implements by using secure MQTT for communication, re-connection and initial provisioning with mDash cloud. You can find […]

August 18, 2019August 17, 2019 by Tiwalade Joanna Okedara - 4 Comments

RAKWireless Introduces RAK7200 LoRa Tracker | Features & Specifications

RAK7200 is a LoRa Tracker node built around the AcSIP S76G chip. It integrates the ultra-low-power STM32L073 micro-controller, the SX1276 LoRa long range modem, and the CXD5603GF GPS receiver. The RAK7200, being a fully functioning LoRaWAN device, is particularly suited for IoT applications. Such as asset tracking, smart vehicle management, location-based service, etc. According to the device manufacturers, RAKWireless, a leading Chinese IoT solutions company, based in Shenzhen, RAK7200 requires minimal setup. Just pop in the included battery, close the housing and you can start sensing your GPS data over LoRaWAN. Furthermore, there are sensors built-into the board: a 9-axis accelerometer and pressure sensor. The new GPS Tracker node is an upgrade over the company’s earlier offering in the GPS tracker space, the RAK7205. Now, the earlier version, the RAK7205, was mostly aimed at developers, with its larger more robust casing and solar panel. But the RA7200 is more of […]

August 9, 2019August 9, 2019 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

Somu Tiny Open Source FIDO2 Security Key Enables Passwordless Login & Two-factor Authentication (Crowdfunding)

Tomu is a tiny, open source USB connector-sized board powered by a Silicon Labs Happy Gecko Cortex-M0+ MCU that adds two keys to your computer and can work as a Universal 2nd Factor (U2F) token to support two-factor authentication (2FA). But the board is not secure enough for FIDO2 support, and Tomu’s developer worked on a secure USB key called Solokey, and shrank it to Tomu form factor. Meet Somu open-source and secure key with FIDO2 support for compatibility with your Google, Twitter, and GitHub accounts for two-factor authentication, or your Microsoft account passwordless login. Somu hardware specifications: Secure MCU – STMicro STM32L432KC Arm Cortex-M4 microcontroller with TRNG, security isolation for keys, two levels of locked flash Crypto Algorithms – ECC P256 (as per FIDO2 standard) Supported Protocols – FIDO2, U2F Host Interface – USB type-A port Misc – Two touch buttons ( in FIDO2 firmware the two buttons behave […]

August 7, 2019 by Jean-Luc Aufranc (CNXSoft) - 10 Comments

STMicro Launches $10 STLINK-V3mini Mini Probe for STM32 MCUs

Last year, we reported STMicroelectronics launched STLink-V3 debugger & programmer for STM8 & STM32 microcontrollers that added I2C, SPI, and CAN interfaces compared the previous STLink-V2 model. It’s not particularly expensive either at $35, but if you ever wanted something more compact and cheaper, the company has now introduced STLink-V3mini debugger going for under $10. STLINK-V3Mini key features and specifications: JTAG / serial wire debugging (SWD) specific features: 3 V to 3.6 V application voltage support and 5 V tolerant inputs JTAG communication support SWD and serial wire viewer (SWV) communication support Virtual COM port (VCP) specific features: 3 V to 3.6 V application voltage support on the UART interface and 5 V tolerant inputs VCP frequency up to 15 MHz USB – Micro USB 2.0 connector for power and connection to host computer Misc – 2x color LEDs: communication, power; STDC14 signals protection Dimensions – 30 x 15 mm […]

August 6, 2019 by Jean-Luc Aufranc (CNXSoft) - 34 Comments

TensorFlow Lite for Microcontrollers Benchmarked on Linux SBCs

TensorFlow Lite microcontrollers benchmark linux SBC

Dimitris Tassopoulos (Dimtass) decided to learn more about machine learning for embedded systems now that the technology is more mature, and wrote a series of five posts documenting his experience with low-end hardware such as STM32 Bluepill board, Arduino UNO, or ESP8266-12E module starting with simple NN examples, before moving to TensorFlow Lite for microcontrollers. Dimitris recently followed up his latest “stupid project” (that’s the name of his blog, not being demeaning here :)) by running and benchmarking TensorFlow Lite for microcontrollers on various Linux SBC. But why? you might ask. Dimitris tried to build tflite C++ API designed for Linux, but found it was hard to build, and no pre-built binary are available except for x86_64. He had no such issues with tflite-micro API, even though it’s really meant for baremetal MCU platforms. Let’s get straight to the results which also include a Ryzen platform, probably a laptop, for […]

June 30, 2019June 30, 2019 by Stephen Vicinanza - 9 Comments

PiJuice Zero a UPS for the Raspberry Pi Zero (Crowdfunding)

Made to work with the Raspberry Pi Zero, the PiJuice Zero is an Uninterruptable Power Supply (UPS) and project platform board, that can fit inside the Pi Zero case. The latest innovation from the tech gurus at Pi Supply, the PiJuice Zero is easy to use and quite powerful. The original product was the PiJuice HAT which was released in 2016. The rundown on this platform and the crowdfunding page can be found on Crowd Supply. The PiJuice Zero allows users to take their Raspberry Pi Zero projects anywhere and still keep things running, while intelligent power management controls how that power is utilized. The user-friendly software, programmable LEDs and switches allow for maximum options in applications. The PiJuice Zero was made for those in-the-field projects. Completely wireless and off-the-grid power supply the PiJuice Zero is packed with features and allows for applications for the Raspberry Pi Zero, that couldn’t […]

June 25, 2019June 25, 2019 by Stephen Vicinanza - 7 Comments

PanGu Board an SBC Based on the STM32MP1 Processor

The PanGu Board is a single board computer (SBC) that is feature-rich and versatile, at an affordable price point. The board powered by STMicroelectronics STM32MP1 processor was released in February of 2019 and hadn’t really made much a splash in the pool of microprocessors available at the time. The processor is now the main feature of the PanGu Board, an SBC with a host of features and utilizing the Arm dual-core Cortex–A7 MPU and the Cortex-M4 coprocessor to allow for more enhanced multimedia ability and all the heavy real-time processing that users are calling for today. Hardware Features MPU Dual Cortex-A7, 650MHz Cortex-M4, 209Mhz 3D GPU Flash & Memory 16-bit DDR3L, up to 1GByte 8-bit eMMC Flash Quad-SPI NOR Flash Supports Micro SD Audio 3.5mm stereo headphone jack support microphone input Display Parallel RGB LCD interface, the resolution up to WXGA (1366×768) MIPI DSI interface Support for resistive and capacitive […]