Author Archives: steve bush

Microchip graphics toolkit for Linux-on-Arm

Microchip has a GUI development toolkit for 32bit SAMA5 and SAM9 series of Arm Cortex-A5 and ARM926EJ-S MPUs running Linux Called Ensemble Graphics Toolkit, it is a no-cost and royalty-fre open-source C++ suite based on the permissive Apache 2.0 open-source license. It works with the company’s chips, system-in-package and system-on-module products. “By taking advantage of underlying ...

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Amazon engages with Nordic, Semtech, SiLabs and TI on ‘Sidewalk’ 900MHz + 2.4GHz network

Amazon has released details of its ‘Sidewalk’ medium-distance wireless network, and its silicon partners including Nordic Semiconductor, Semtech, Silicon Labs and Texas Instruments. In a nutshell, it is a combination and coordination of wireless technologies – LoRa and FSK at 900MHz, and Bluetooth Low Energy at 2.4GHz – and shared networking that will offer low-power wireless ...

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Need to know how much your chip is going to cost to make?

Sondrel has launched a service that estimates the cost of turning a conceptual integrated circuit into silicon, dubbed the Architectural Study Service. “As one of the world’s largest chip design consultancies, we have the ability to look at the idea for a new chip and respond with an report of how to make it, and ...

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Risc-V RV32E variant gets Segger’s floating-point library

Segger has added support for the RV32E embedded processor core to its Risc-V floating-point library, which already supports RV32I. “This new release is much smaller than anything available to us for comparison and, at the same time, is incredibly fast,” claimed Segger founder Rolf Segger. “In the world of embedded systems, every byte counts. The Segger ...

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Electron beam sculptures graphene in 3d

Graphene can be sculptured by electron beams, according to researchers at Georgia Tech. Carbon atoms can be added or subtracted – and in the case of graphene oxide, surface oxygen can be used to remove carbon atoms with no additional chemicals. “By timing and tuning the energy of the electron beam, we can activate interaction ...

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Electrocube eyes high-rel DC links with polypropylene capacitors

Electrocube’s 958A Series of high current DC link metallised polypropylene film capacitors is designed long life in high current power inverter applications under extreme operating conditions. “In applications such as electric vehicle power conversion, aircraft power systems, battery chargers and other high pulse applications, the 958A offers high current and reliability in a high-impact polymer ...

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UK made: TDK puts £11.5m into manufacturing in Devon

TDK has announced an £11.5m investment package to redevelop its TDK-Lambda power supply design and manufacturing facility in Ilfracombe Devon. Staged over the next three and a half years, it will increase production capacity by 50%. “The original factory was built over 50 years ago with further expansion in the mid-1980s,” according to TDK. “While ...

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Mid-sized enclosed professional 3D printer

Barcelona-based BCN3D has announced a smaller version if its professional-grade Epsilon 3D printer, plus a filament conditioning cabinet. Epsilon W27 has a 420 x 300 x 220mm high build volume (=27 litres) and has dual independent extruders (‘IDEX’) which means it can print two separate parts at the same time, or print parts using two different filaments ...

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Flexible piezo-harvester sticks well to fabric

An easily applied patch on fabric could be used to power wearables, according to Korean research lab KAIST. It is based on the ferroelectric polymer poly(vinylidene fluoride-co-trifluoroethylene), built into a heterostructure with two conductive fabrics (diagram right), which can then be applied to fabric by a similar hot-pressing process to that used to attach graphics ...

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UK graphene Hall sensor shows promise for space

Cambridgeshire-based Paragraf has had its graphene-based Hall magnetic field sensor tested for radiation toughness by the National Physical Laboratory (NPL). “Tests conducted by NPL have shown that following exposure to a neutron dose of 241mSv/hr, which is about 30,000 times the expected typical neutron dose rate in the International Space Station, Paragraf’s sensors are not affected ...

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