DHT22 Humidity datalogger
Test/Measurements

DHT22 Humidity datalogger

by luckyresistor.me: There is a large cellar where I could store unused items and documents, but the catch is the humidity there. It is a root cellar near a small brook and the humidity varies between 75% up to 90%. Archived material should never be exposed to humidity greater...

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How to control LM2596 buck-converter with microcontroller
Control

How to control LM2596 buck-converter with microcontroller

by hugatry @ hackvlog.com: Every now and then someone asks on different forums if there is an way to control cheap LM2596 modules with an Arduino or another microcontroller. I decided to demonstrate one solution that might be basic electronics for some, but still many don’t know...

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How to build a simple laser tachometer
Youtube

How to build a simple laser tachometer

Did you know you can use an LED as a light sensor? In this video I show you how to use this phenomenon to build a laser tachometer capable of measuring the RPM of mechanical devices. How to build a simple laser tachometer -...

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Kristall 511 solder wire won´t dirt your PCB
Products

Kristall 511 solder wire won´t dirt your PCB

Innovative flux and a high qualty alloy provide to Stannol Kristall 511 solder wire excellent processing properties with a minimum of clean transprarent residues. You, who are at production of electronic devices, know, how important is a choice of a suitable solder. A designer of...

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DIY Digital Compass
Arduino

DIY Digital Compass

by DaAwesomeP @ instructables.com: I'm astounded that some cars don't have a digital compass always visible. You either have to launch the navigation app each time which may even disappear when you adjust the radio. In this project, you'll create a digital compass that can be...

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Buck-boost regulator achieves high efficiency
IC

Buck-boost regulator achieves high efficiency

by Susan Nordyk @ edn.com: Using adaptive current-limit PFM (pulse frequency modulation) control, the ISL9120 switching regulator from Intersil realizes efficiencies of up to 98%, while automatically transitioning between buck and boost modes without significant output disturbance....

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Running Intel x86 apps on Raspberry Pi 1 and 2
Software

Running Intel x86 apps on Raspberry Pi 1 and 2

ExaGear Desktop is virtualization solution which opens up a host of new possibilities for running apps across platforms. ExaGear Desktop makes it possible to run Intel x86 application on ARM-based devices, and is targeted to individuals running ARM-based Mini PCs and to businesses...

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Fully reprogrammable optical chip developed
Technology

Fully reprogrammable optical chip developed

by Graham Pitcher @ newelectronics.co.uk: Researchers from the University of Bristol and NTT in Japan have developed an optical chip that can process photons in an infinite number of ways. According to the team, the fully reprogrammable chip marks a 'new era of research' for...

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