Author Archives: steve bush

24pin ATtinyAVRs get 16kbyte of flash

Microchip has added 16kbyte flash options to its ATtiny AVR microcontroller family and, despite the extra flash, the devices are pin and code compatible with the recently released ATtiny817 series of MCUs, according to the firm. “There is more growth and innovation in the AVR MCU portfolio now than at any point in the past ...

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Lens-free smart microscope diagnoses meningitis

Together with medical equipment firm Horiba, French research lab Leti has created a automated diagnosis system for meningitis, based around a simple lens-free microscope and a tablet computer. The lens-free microscope is physically simple (see demonstrator photo) and consists of a light source and a pin-hole, both mounted ~50mm above an image sensor – in this ...

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Silicon needle injects drugs without pain

French semiconductor lab Leti has used deep etching to created micro injection needles for Swiss firm Debiotech. The idea is to allow injections without pain, with the final injecting short enough (720μm high, 220μm diameter) not to contact nerves (see photo of model). Construction involves etching 80μm diameter holes 800μm deep from the back of ...

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Raspberry Pi add-on includes LEDs, a speaker and a microphone

Pi-topPulse is a HAT-compliant sound and light educational accessory for Raspberry Pi 3 as well as something for the accessory rail within a pi-top – the Raspberry Pi-based DIY laptop, or for the all-in-one desktop pi‑topCeed. Small, measuring 60x67mm, it includes a 7 x 7 matrix of RGB LEDs, a loudspeaker and a microphone. “It ...

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Reset chip draws 1μA

Designed to support the supervisory circuits of microprocessors, the APX803L micro-power voltage detector from Diodes offers a detection between 1.2 and 5.0V in 0.1V steps, while consuming 1μA (typ, 2.5μA max). Threshold accuracy is ±1.5%, and no external components are required. Whenever the monitored power supply rail drops below the chosen threshold, the APX803L asserts ...

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Free electric vehicle charging infrastructure guidance

UK Power Networks has published a free guide on the basics of installing electric vehicle charging points at your house or company – from kW to MW installations. It is called ‘Getting electric vehicles moving, all you need to know about getting an electricity connection for your fleet‘. The guide is a top-level skim over ...

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Alan Turing Institute gets a Cray

Cray is providing an Urika-GX system to the Alan Turing Institute through a collaboration between Cray, Intel, and the Institute. Based at the British Library in London, the Alan Turing Institute is the UK’s national institute for data science, and brings together researchers from a range of disciplines to tackle core challenges in data science ...

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Cable pull switch is solid-state

Rockwell Automation has introduced a solid-state cable pull switch, through its Allen-Bradley brand. Guardmaster Lifeline 5 has a microcontroller inside and compensate for thermal expansion and cable sag. “Because the Lifeline 5 cable-pull switch is a solid-state switch, there is no mechanical wear that is often associated with traditional switches,” claimed product manager Steve Tambeau. ...

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Compact connectors for servo motors

TE Connectivity is aiming at servo motor manufacturers with a range of connectors for different types of electric motors. “Trends in motor connectivity focus on miniaturisation, reduction of installation times and improvements in reliability,” said TE product manager Wenbo Zhou. “Our engineers find ways to address these trends, and one example of this is our ...

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Evaluation boards for USB type-C power delivery

Rohm has announced USB Power Delivery (USBPD) transmitter/receiver evaluation boards. “USBPD extends the power supply range from the conventional 15W to up to 100W,” said the firm. “This enables larger devices such as laptops and TVs to be powered via USB while contributing to the transformation of infrastructure as the number of USB ports in ...

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