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May 8, 2017May 8, 2017 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Smartwatch for the Blind – Dot Watch Supports Braille Language, Sync Data over Bluetooth

A South Korean company has created Dot smartwatch specifically designed for the blinds and visually impaired, as it supports Braille language through 24 dots that move up or down depending on the data to show. Like other smartwatches, it will also pair with a smartphone, and received notifications over Bluetooth to Android and iOS smartphones. Dot watch specifications: Wireless MCU – 32-bit ARM Cortex M4F + Cortex M0 microcontroller “Display” – 4 Dot Cells (24 Dots) made of 6000 series silver aluminum Connectivity – Bluetooth LE 4.2 Misc – 24 touch sensors, shaft horizontal vibration motor, a crown, two buttons Battery – 400mAh li-polymer battery good for a typical 7 days on a charge Dimensions – Watch: 43mm x 12.5mm; Leather band – S size: 22x220mm; M size: 22x250mm; L size: 22x290mm Weight – 27g This is all made possible through the company’s dot rotor technology that allows to move […]

May 7, 2017May 12, 2017 by Jean-Luc Aufranc (CNXSoft) - 18 Comments

Getting Started with ESP32-Bit Module and ESP32-T Development Board using Arduino core for ESP32

Espressif ESP32 may have launched last year, but prices have only dropped to attractive levels very recently, and Espressif has recently released released ESP-IDF 2.0 SDK with various improvements, so the platform has become much more interesting than just a few weeks ago. ICStation also sent me ESP32-T development board with ESP32-bit module, so I’ll first see what I got, before trying out Arduino for ESP32 on the board. ESP32-T development board with ESP-bit Module – Unboxing & Soldering One thing I missed when I asked for the board is that it was not soldered, and it comes in kit with ESP32-bit module in one package, and ESP32-T breakout board with headers in another package. The 21.5x15mm module is based on ESP32-DOWNQ6 processor with 32 Mbit (4MB) of flash, a chip antenna, and a u.FL connector. The module is apparently made by eBox, and also used in Widora board with […]

April 27, 2017 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Intrinsyc Introduces Open-Q 2100 SoM and Devkit Powered by Qualcomm Snapdragon Wear 2100 SoC for Wearables

Qualcomm unveiled Snapdragon Wear 2100 SoC for wearables early last year, and since then a few smartwatches powered by the processor – such as LG Watch Style and Watch Sport – have been launched, and Intrinsyc has now unveiled one of the first module based on the processor with Open-Q 2100 system-on-module, and a corresponding Nano-ITX baseboard. Open-Q 2100 SoM specifications: SoC – Qualcomm Snapdragon Wear 2100 (APQ8009W) quad core ARM Cortex A7 processor @ up to 1.094 GHz with Adreno 304 GPU System Memory – 512 MB LPDDR3 Storage – 4GB eMMC flash Connectivity – 802.11 b/g/n WiFi (WCN2320), Bluetooth 4.1 LE, Gen 8C GNSS (GPS/GLONASS) with on-board u.FL connector (WGR7640) Audio – Integrated Codec/PMIC (PM8916-1) with optional support for Fluence HD, Snapdragon Voice Activation, and Snapdragon Voice+ 2x 100-pin board-to-board connectors with USB 2.0, I2S, GPIO, MIPI DSI up to 720p @ 60 Hz, 2-lane MIPI CSI, SDC2/microSD […]

April 26, 2017 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

$14 LinkIt 7697 Bluetooth 4.2 LE and WiFi IoT Board is Powered by Mediatek MT7697 ARM Cortex-M4 MCU

Mediatek Labs has launched a new IoT development, which on the surface looks similar to LinkIt Smart 7688 board, but the internal design is quite different as the MIPS processor and Linux OS, have been replaced by Mediatek MT7697 ARM Cortex-M4 processor running FreeRTOS, and beside WiFi, also includes support for Bluetooth 4.2 LE. LinkIt 7697 board specifications: Wireless SoC – Mediatek MT7697 ARM Cortex M4F MCU @ 192 MHz with 352KB RAM, 4MB flash, 802.11 b/g/n WiFi, Bluetooth 4.2 LE and a PMU Expansion – 2x 14-pin header with 18x GPIO, 2x UART, 1x I2C, 1x SPI, 18x PWM, 4x EINT, 4x ADC (0 to 2.5V), 1x IrDA, 1x I2S Debugging – 1x SWD, CP2102 UART to USB chipset Misc – Reset and user buttons; power and user LEDs Power Supply – 5V via micro USB port Dimensions – 48 x 26 mm The board can be programmed with […]

April 21, 2017 by Jean-Luc Aufranc (CNXSoft) - 8 Comments

$6.90 Wemos LoLin32 ESP32 Development Board Comes with 4MB Flash, Lithium Battery Support

Wemos – the company behind the cool Wemos D1 mini ESP8266 board – has now launched its first Espressif ESP32 development board with LoLin32 equipped with ESP-WROOM-32 module with 4MB flash, a micro USB port, and a battery header. Wemos Lolin32 specifications: Wireless Module – ESP-WROOM-32 based on Espressif ESP-32 dual core processor @ 240 MHz with 4MB flash Connectivity – 802.11 b/g/n WiFi + Bluetooth LE I/Os 26x digital I/Os 12x analog inputs UART, I2C, SPI, VP/VN, DAC 3.3V I/O voltage Breadboard compatible USB – 1x micro USB port for power and programming/debugging Power – 5V via micro USB + battery header for Lithium battery (charging current: 500mA max) Dimensions – 5.8 x 2.54 cm Weight – 5.8 grams The board is not compatible with Wemos D1 mini (34.2 x 25.6 mm) and shield, but offers a more powerful solution with Bluetooth LE, battery support, and more I/Os. The […]

April 14, 2017February 16, 2020 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

MatchX LoRaWAN Solution Supports up to 65,535 Sensor Nodes per Gateway

MatchX is a startup with offices in Chicago, Shenzhen, and Berlin, that provides a complete LoRaWAN solution with their MatchBox gateway based on SX1301 concentrator and Mediatek MT7628N processor, as well as MatchStick, MatchModule, and MatchCore sensors with up to 65,535 of those connecting to a single gateway. MatchBox LoRaWAN/WiFi/GPRS/GPS Gateway MatchBox specifications: Processor – Mediatek MT7628AN MIPS WiSoC @ up to 580 MHz System Memory – 128MB DDR2 RAM Storage – 16MB FLASH Connectivity LoRa – Semtech SX1301 + 2x SX1257@+27dbm Output Power; 470/868/915Mhz frequency range, -146dBm sensitivity 10/100M Ethernet 802.11n 2×2 WiFi @ 300 MHz Optional GPRS via SIM800H, 85.6 kbps (downlink/uplink) + micro SIM card slot GPS via UBlox Max 7C Antennas – 2x u.FL antennas for WiFi, u.FL or chip antenna for LoRa, GPS and GPRS modules USB – 1x USB 2.0 port, 1x USB type C exposing 4 or 6 GPIOs and UART Misc – […]

April 14, 2017 by Jean-Luc Aufranc (CNXSoft) - No Comments

EEMBC IoT-Connect is a Family of Benchmarks Designed To Test the Power Efficiency of IoT Devices

EEMBC, the Embedded Microprocessor Benchmark Consortium, has been providing benchmarks for embedded systems since 1996, including ULPBench helping to rank micro-controllers by their power efficiency. But with the Internet of Things gaining traction, it’s important to test more than just the MCU core’s power efficiency, and having a benchmark taking sensors and connectivity into account would be useful. That’s exactly what EEMC IoT-Connect benchmark family aims for with the three main characteristics: Provides flexibility to accommodate various communication protocols (e.g. Bluetooth, Thread, LoRa, WiFi) Portable to work with any vendor’s microcontroller and radio-module products Compatible with EEMBC ULPBench and EEMBC IoT-Secure benchmarks The first benchmark of the family is IoTMark-BLE connectivity profile that supports Bluetooth (LE) MCUs. The benchmark requires fixed payload size, frequency of transmission, and transmit power, and performs a complete sequence of event ranging from sensor reading, to BLE notifications, and command write and CRC. The IoT-Connect […]

April 7, 2017 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Hornbill ESP32 Development Boards Come with an Optional IP67 Rated Enclosure (Crowdfunding)

While there are plenty of ESP32 development boards, and prices have recently plummeted, getting a case for your project can still be a problem especially if you plan to use it outdoor, as you need to protect your hardware from rain and dust. Hornbill project offers two ESP-WROOM-32 based boards, a prototype board, and an IP67 certified case that could be useful for outdoor use. Hornbill ESP32 Development Boards Let’s start by checking the boards available starting with ” Hornbill ESP32 Dev” board with the following specs: ESP-WROOM-32 module with WiFi, Bluetooth LE, FCC, CE, IC, MIC (Telec), KCC, and NCC certifications I/O headers 2x 19-pin headers with GPIOs, I2C, UART, SPI, ADC, DAC, touch interface, VN/VP, 5V, 3.3V and GND Breadboard-friendly Debug – Built-in CP21XX USB-to-serial Power Supply – 5V via micro USB port, battery header + single cell LiPo charger Dimensions – TBD ESP32 Minima is also based […]