Sub-GHz wireless MCU for two-layer boards supports LoRa

STMicroelectronics has added a QFN48 package to its STM32WLE5 wireless SoCs. Called STM32WLE5Cx “the new 7mm x 7mm package option makes it suited to a simplified two-layer board design that eases manufacturing”, according to the company – ‘x’ decides how much flash is available. These chips combine an ARM Cortex-M4 STM32L4 microcontroller with Semtech’s SX126x ...

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Sensor for Pb ions finds pollution in muddy water

Lead pollution in rivers can be measured in minutes using a proof-of-concept sensor from Rutgers University in New Jersey. It is designed to work directly with sediment – in which Pb pollution tends to gather, and which gets disturbed during activities such as dredging. One of the time consuming parts of sensing in water with ...

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Alternative magnetic material for electric vehicle motors

Japanese scientists are proposing a new material for use in the permanent magnets of electric vehicle motors. The incumbent technology – neodymium-iron-boron, sometimes with dysprosium – works well, but Nd and Dy are considered minerals or strategic importance by nations which mine them, and are mostly found in China where exports are restricted. Working together, ...

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Government pushing councils to facilitate Gbit broadband and 5G

The Department for Digital, Culture, Media and Sport is calling on local councils to help ensure people can access better broadband and mobile connectivity. Digital Infrastructure Minister Matt Warman and Local Government Minister Simon Clarke have today written to local authorities setting out how they can help boost gigabit broadband rollout and 5G mobile coverage. The ...

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China chip imports still at $300bn

China’s semiconductor import substitution efforts have not paid off for this year, reports Reuters. “China is the world’s largest importer of chips,” Wei Shaojun, vice-chairman of the China Semiconductor Industry Association, told the World Semiconductor Conference yesterday, “after 2013 our chip imports exceeded $200 billion. In 2018 it exceeded $300 billion and was still at $300 ...

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Inmarsat provides remote connectivity to LoRaWAN IoT networks

Inmarsat has teamed up with CPN Satellite Services and MinFarm Tech to launch the MF 400 IoT Satellite Bridge incorporating Inmarsat’s IsatData Pro (IDP) service. The IDP service allows data from IoT sensors operating on LoRaWAN  networks to be optimised for transmission over Inmarsat’s IDP service, which will bring much-needed additional connectivity to IoT devices deployed ...

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