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STM32 Discovery kit simplifies IoT-node connection and security

Tue, Jul 14, 2020

Complex software challenges for IoT nodes are simplified, says STMicroelectronics, at the introduction of its B-L4S5I-IOT01A STM32 Discovery kit. The kit comes with a qualified port of FreeRTOS, integrated into the STM32Cube ecosystem and ready to connect to Amazon Web Services (AWS).

The hardware comprises an STM32L4+ microcontroller board that contains an extensive selection of ST MEMS sensors, an STSAFE-A110 secure element, Bluetooth 4.2 and Wi-Fi modules, and an NFC tag with printed antenna for flexible, low-power communication with cloud servers. Combined with the X-Cube-AWS v2.0 STM32Cube Expansion pack, the kit can be used as a reference design to simplify and accelerate completion of the final product.

The X-Cube-AWS v2.0 pack ensures proper integration of the FreeRTOS standard AWS connectivity framework within the STM32Cube environment. This lets users take advantage of both FreeRTOS and STM32Cube without developing additional software. It also supports AWS native services including standard firmware over the air (FOTA) tasks and handles interactions with the on-board STSafe-A110 secure element, including taking care of AWS IoT Core Multi-Account Registration and assigning security-critical operations during boot-up, device authentication and OTA firmware verification.

The STM32L4+ board is featured to meet the performance demands and energy constraints typically placed on IoT nodes. The STM32L4S5VIT6 low-power Arm Cortex-M4 microcontroller combines 2Mbyte flash, 640Kbyte RAM, digital and analogue peripherals and hardware encryption accelerator. The on-board sensors comprise the HTS221 capacitive digital relative humidity and temperature sensor, LIS3MDL three-axis magnetometer, LSM6DSL 3D accelerometer and 3D gyroscope, LPS22HB absolute digital output barometer, VL53L0X time of flight and gesture-detection sensor and two digital omnidirectional microphones.

The B-L4S5I-IOT01A Discovery kit can be ordered directly from STMicroelectronics. The X-Cube-AWS v2.0 STM32Cube Expansion pack is ready to download free of charge.

http://www.st.com

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EnOcean adds IoT starter kit for Aruba Wi-Fi

Mon, Jul 13, 2020

An IoT starter kit developed by EnOcean simplified the integration of EnOcean wireless sensors with Aruba Wi-Fi access points. The two companies have partnered to facilitate the integration of IoT sensors into existing IT infrastructure and leveraging IT security mechanisms to protect IoT data and devices. The Eiska starter kit (Eisku in North America) includes an EnOcean EMSIx multisensor, an Easyfit wireless switch, an EnOcean USB stick, and demonstration software. All devices support the EnOcean radio standard (ISO/IEC 14543-3-10/11).

The starter kit is used with a separately purchased Aruba access point.

EnOcean USB sticks are available in both 868MHz (Europe) and 902MHz (USA/Canada) versions, and are compatible with any Aruba Wi-Fi 5 and Wi-Fi 6 access point with a USB port that is running ArubaOS 8.7 software. Aruba’s Zero-Trust Network automatically establishes a secure data connection between EnOcean-compatible devices and the IoT application. There is therefore no need for gateways, which reduces costs.

“Customers only need to attach the included sensor and switch where they want to collect data and stick the USB device into their Aruba access point,” explains Troy Davis, vice president of sales North America west region. The USB stick “opens up the world to 5,000 products [based on EnOcean’s energy harvesting technology] from members of the EnOcean Alliance,” he adds.

EnOcean’s energy harvesting sensors generate energy from light, movement or temperature, eliminating the need for batteries or power wiring. The EMSIx multi-sensor combines temperature, humidity, light level, acceleration and magnet contact sensors, making it suitable for a variety of IoT and smart building applications. An integrated near field communication (NFC) interface enables the multi-sensor to be configured and commissioned quickly and easily. The wireless Easyfit energy harvesting switch can be placed anywhere lighting control is needed, including difficult to wire, architecturally sensitive areas, such as glass, marble, reinforced concrete and room dividers.

The European Eiska starter kit includes an EnOcean USB 300, a solar-powered EMSIA multi-sensor and an Easyfit EWSDA double rocker switch. The Eisku starter kit includes an EnOcean USB 500U, the solar-powered EMSIU multi-sensor, an Easyfit EDRPU double rocker switch, an ETHSU temperature and humidity sensor, and an EMCSU magnet contact sensor.

Demonstration software includes dashboards to show control activity in real-time. The IoT starter kits are available now in Europe from Arrow Electronics, and in North America from Ingram Micro.

http://www.enocean.com

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Rutronik UK adds Telit’s 5G/LTE M.2 cards

Mon, Jul 13, 2020

To secure a wireless high speed connection without interferences for router and gateways, indoor and outdoor customer premises equipment (CPE), video broadcasting and surveillance, the FN980m is a UK.5G/TLE M.2 card by Telit. It is now available from Rutronik UK.

The FN980 features both the Sub-6 and the mmWave frequency bands with 5G, LTE, WCDMA and GNSS support.

The M.2 card is compatible with the 3GPP Release 15 and supports the common 5G Sub-6GHz frequency division duplexing (FDD) and time division duplexing (TDD) as well as the new mmWave frequency bands. It is also suitable for 5G standalone (SA) and 5G non-standalone (NSA) systems, to build a bridge from LTE to 5G. The M.2 card convinces with 5G downlink/uplink (DL/UL) data rates of 5.5/2.7Gbits per second.

The FN980m has voice over LTE (VoLTE) four voice and sound quality and voice over new radio (VoNR) for 5G standard is currently under evaluation which will facilitate an almost completely distortion-free and realistic transmission of the human voice, says Rutronik UK. The Global Navigation Satellite System (GNSS) receiver supports the gpsOne Gen9 L1 band, for commercial applications. Four antenna connectors are available for LTE/Sub-6GHz bands and another four connectors for mmWave antennae (Qualcomm QTM525/QTM527).

The FN980m M.2 card supports over-the-air (OTA) firmware updates. The FN980m measures 50 x 30 x 3.5mm which matches the industrial form standard M.2 (NGFF).

Rutronik UK operates as an independent company and its parent company, Rutronik Elektronische Bauelemente, is the third largest distributor in Europe (European Distribution Report 2017) and the number 11 worldwide (SourceToday, May 2018).

The broadline distributor supplies semiconductors, passive and electromechanical components as well as boards, storage, displays and wireless products. The company‘s primary target markets are the automotive, medical, industrial, home appliance, energy and lighting industries.

The distributor offers Rutronik Embedded, Rutronik Smart, Rutronik Power and Rutronik Automotive for specific market sectors.

http://www.rutronik.com

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LIN interface sensor signal conditioner reduces BoM for EVs/HEVs

Fri, Jul 10, 2020

An integrated LIN interface sensor signal conditioner, the ZSSC4132, is claimed to deliver best in class performance in a compact form factor for us in climate control systems for plug-in hybrid electric vehicles (PHEVs), battery electric vehicles (BEVs) and fuel cell electric vehicles (FCEVs).

The automotive pressure sensor has an integrated, certified LIN v2.2a interface and backwards compatibility to LIN v1.3, v2.0 and v2.1. The single-package sensor signal conditioner (SSC) can be configured for nearly all resistive bridge sensors, says Renesas. Slave node position detection feature at the LIN bus allows the SSC to assign a unique ID to the device

It has integrated LIN PHY, AEC-Q100Grade 0 qualifications and is in a small package footprint suitable for automotive sensor modules where space and budgets are limited.

The availability of a LIN-certified sensor enables OEMS to easily and cost-effectively scale HVAC system development for mid-range to high endEVs and HEVs, said Christian Wolf, vice president, Automotive Sensor Business Division at Renesas.

The ZSSC4132 combines 12 to 14bit ADC resolution and analogue front end (AFE) technology for enhanced sensor signal conditioning as well as digital calibration to reduce the noise sensitivity and deliver accuracy to ±0.5 per cent for pressure and temperature readings from -40 to +150 degrees C, claims Renesas. The SSC’s integration reduces overall bill of material (BoM) requirements by minimising the need for external components. Its digital calibration feature allows customers to minimise calibration efforts, further reducing overall system costs, added the company.

It also include over-voltage and reverse-polarity protection circuitry, electromagnetic compatibility and multiple diagnostic features.

The ZSSC4132 is available now in a 4.0 x 4.0mm, 24-lead QFN package. An evaluation kit for the ZSSC4132 is also available.

Renesas Electronics provides embedded design with semiconductors that enable billions of connected, intelligent devices to enhance the way people work and live. The company specialises in microcontrollers, analogy, power and SoC products intended for a broad range of automotive, industrial, infrastructure and IoT applications.

http://renesas.com

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STM32 Discovery kit simplifies IoT-node connection and security

EnOcean adds IoT starter kit for Aruba Wi-Fi

Rutronik UK adds Telit’s 5G/LTE M.2 cards

LIN interface sensor signal conditioner reduces BoM for EVs/HEVs

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