Month: September 2015
Building our own backup server using the Raspberry PI
by Michal Remias @ wpress.io: We’ve been always thinking about building our own backup server using the ARM solution of Raspberry PI. When we needed to manage approx. 25 WordPress web projects couple of months ago we did some experiments with MainWP on virtual server at...
Continue ReadingBias generators with ultralow noise and ripple for sensitive circuits
The LT®3095 generates two low-noise bias supplies from a common input voltage ranging from 3V to 20V. Each channel includes a fixed frequency, peak current-mode step-up switching regulator and a low-noise, singleresistor- programmable 50mA linear regulator. The linear regulator’s...
Continue ReadingCharger interface IC avoids handset overheating at fast-charge rates
by Graham Prophet @ edn-europe.com: Power Integrations offers a charger interface IC compatible with Qualcomm’s Quick Charge 3.0 specification; PI says its CHY103D IC optimises efficiency to prevent handset overheating during high-speed charging. Added to the ChiPhy...
Continue ReadingAtmel’s latest processor uses less juice
by Martin Cooke @ elektormagazine.com: Atmel has announced a new series of Atmel | SMART ARM® Cortex®-A5-based microprocessors (MPUs). Firmly targeted at IoT applications they are said to deliver the world’s lowest power consumption for all MPUs in their class. They deliver sub...
Continue ReadingSimple Infrared Barrier
by Maurizio @ dev.emcelettronica.com: Although a remote control is not so difficult to design and build, there is an even simpler option: the IR barrier. This consists of a constant IR signal permanently going from an emitter to a receiver, both of them being in two different places...
Continue ReadingS.M.A.R.T. Alarm Clock
by Tony DiCola @ makezine.com: Wouldn’t it be nice to have an internet-connected alarm clock that automatically sets itself, based on your calendar? You would never miss an early appointment, never forget to set your alarm, and enjoy more restful sleep knowing you’ve solved the...
Continue ReadingSimplify yourself a mechanical design of a device
With suitable spacers and other fastening technology you´ll use a space optimally while gaining a stable and professional construction at the same time. Success and reliability of a device depends not only on laboratory tests in “ideal conditions” but also on its mechanical...
Continue ReadingHCS08 VGA Output
This reference design is a simple VGA signal generation that uses the Freescale’s MC9S08SH16VTJR, which is an 8-bit microcontroller that has Central Processor Unit (CPU) speed of 40MHz with a maximum bus frequency of 20MHz. It has an internal clock source module containing a...
Continue Reading