Author Archives: steve bush

Stretchy ionic diode senses on skin surface

University of Toronto researchers have developed a stretchy, transparent and self-powering sensor that records the sensations of human skin. It consists of a layer of hydrogel that can converts mechanical stimuli and humidity into variable resistance and capacitance, as well as self-generating power than can be measured as open-circuit voltage or short-circuit current. Hydrogels are ...

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AI could spot on-line trolls

A claim that AI could one day deal with on-line trolls could easily be dismissed as vacuous, if it wasn’t coming from the California Institute of Technology. Current ways to detect offensive, harassing, and negative social media posts are either fully automated and not interpretable, or rely on a static set of keywords, which can ...

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Voice codec eval board is Raspberry Pi HAT

CML Microcircuits has introduced an evaluation board for its low-power voice codec based around a  Raspberry Pi. The codec, the CMX655D, has been built into the EV6550DHAT – a board compliant with Raspberry Pi’s HAT (hardware attached on top) extension board standard. “The Raspberry Pi single board computer is widely recognised by makers, enthusiasts and professional ...

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UK III-V memory saves power over DRAM and flash

The University of Lancaster has taken a step forward with its novel non-volatile memory that can be written and erased for one hundredth of the energy needed by flash or DRAM. It is also fast enough to be used instead of DRAM. This article was originally published last week, but without a diagram It is around ...

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CES: Qualcomm’s self-driving platform

Qualcomm revealed an autonomous driving platform at CES, branded Snapdragon Ride. It consists of a family SoCs, a processing accelerator – both designed for ASIL-D level functional safety – and an autonomous stack. “The combination of Snapdragon Ride SoCs, accelerator and autonomous stack offers automakers a scalable solution designed to support three industry segments of autonomous ...

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Home cinema projection LEDs from Osram challenge discharge lamps

Osram is claiming record brightness for its latest projector LEDs. “With the Ostar Projection Power family, Osram has succeeded for the first time in achieving projector brightness levels beyond the 3,000 ANSI lumen barrier using LEDs instead of conventional lamps, making them accessible to a broad market,” according to the firm. It is aiming to ...

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CES: Bluetooth SIG launches audio over Bluetooth LE

The Bluetooth special interest group (SIG) has unveiled its next-generation of audio encoding at CES in Las Vegas, with new encoding to squeeze sound signals into Bluetooth LE bandwidth. It is called Bluetooth LE Audio. “Not only will LE Audio enhance Bluetooth audio performance, it will add support for hearing aids and enable ‘audio sharing’, ...

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More on: Maxim 300kV/µs isolated SiC and GaN gate driver

Just before Christmas, Maxim introduced the MAX22701 isolated gate driver intended to drive the gates of fast-switching silicon carbide and gallium nitride transistors. Noise immunity is high, offering a typical common-mode transient immunity (CMTI) of 300kV/µs (fully functioning), plus an isolation withstand voltage of 1.2kVpeak (continuous, 3kVrms for 60s). Devices are available in an 8pin, narrow-body SOIC ...

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Car lighting – return of the ‘light bulb’, and other Osram LEDs at CES

Osram is offering replaceable LED lighting modules to car makers. Designed to the requirements of ECE standard R128, the hand-replaceable sources are available in red, yellow and white. They are branded ‘XLS’ for exchangeable LED light sources. The parts are LR5, LY5 and LW5 respectively, with LR5 and LY5 intended for indicator and tail light light guides, LR5 also ...

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