Infineon’s Security Chip
IC

Infineon’s Security Chip

by Martin Cooke @ elektormagazine.com: Protection of Intellectual Property is a major issue as industrial systems become increasingly more interconnected. According to Bartol Filipovic, head of the Product Protection and Industrial Security department at the Fraunhofer Institute for...

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Circuit adds foldback-current protection
Power supply

Circuit adds foldback-current protection

by Rafael Garcia-Gil @ edn.com: For many applications that require power-supply currents of a few amperes or less, three-terminal adjustable-output linear voltage regulators, such as National Semiconductor's LM317, offer ease of use, low cost, and full on-chip overload protection. The...

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Use an LM317 as 0 to 3V adjustable regulator
Power supply

Use an LM317 as 0 to 3V adjustable regulator

by Vladimir Rentyuk @ edn.com: Most engineers know that they can use an inexpensive, three-terminal adjustable regulator, such as Fairchild Semiconductor’s LM317, as an adjustable regulator to only some necessary value of voltage, such as 36 or 3V. This value cannot be less than...

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Making the new silicon: Gallium nitride electronics could drastically cut energy usage
Science

Making the new silicon: Gallium nitride electronics could drastically cut energy usage

by Rob Matheson @ phys.org: An exotic material called gallium nitride (GaN) is poised to become the next semiconductor for power electronics, enabling much higher efficiency than silicon. In 2013, the Department of Energy (DOE) dedicated approximately half of a $140 million...

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WIFI Mains Power Dimmer / Switch
High Voltage

WIFI Mains Power Dimmer / Switch

MAINS Power Dimmer / Switch Module project by Tracker J: Now it’s about time to talk also about what many of you has asked for: DIMMING! It’s a total different story, little bit complicated but, as you will see, not so hard to understand. General considerations: There are...

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Have you ever seen a fan resistant to dust and water?
Products

Have you ever seen a fan resistant to dust and water?

New series of Sunon fans with IP68 protection brings reliability even to conditions, where a usual fan doesn´t withstand too long… Still more noise and vibrations and in extreme case even a total malfunction – this is a typical “end” of the fan after a long-time operation...

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Simple Acoustic Guitar Sound Receiver
Audio

Simple Acoustic Guitar Sound Receiver

This design of acoustic sound receiver features low power operational amplifier. It has rail-to-rail input/output and 0.85mA supply current per amplifier. It uses piezo speaker as its microphone that can be attached to easily due to its size and dimension. The circuit is comprised...

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4255
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Seven Segment Display Arduino Thermometer
Arduino

Seven Segment Display Arduino Thermometer

by Ardumotive_com @ instructables.com: Today I will show you how to make your own 7 segment - 2 digit - thermometer with Arduino uno and DS18B20 temperature sensor. I prefer to build my own arduino based circuit by using the ATmega328p uno possessor, but this is optional for you....

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