Cell Phone Can Make Calls Without a Battery
Vamsi Talla at the University of Washington in Seattle build a mobile phone that can rely only on energy that it could harvest from its surroundings. Imagine if you can send SMS or make a call when you are out of battery. That's what's the team trying to achieve. Ambient light can be...
Continue ReadingAre Today’s MCUs Overdesigned? A Research Team Has The Answer
MCUs are called microcontrollers because they embed a CPU, memory and I/O units in one package. Apparently, today's MCUs are full of peripherals and in most cases they are not used in the application, and from an engineering point of view this is a waste of money and energy, but on the...
Continue ReadingBanana Pi BPI-M2 Berry, A Quad Core Single-Board Computer
Raspberry Pi is a powerful on-board computer series launched few years ago. Many similar boards appeared providing cheaper price or more features. The Chinese company "SinoVoIP" is manufacturing its own board "Banana Pi", and recently they unveiled a new board that is similar to Raspberry...
Continue ReadingHow to Route Differential Pairs
Sam Sattel @ autodesk.com discuss about the benefits of differential signals and how to route them in Eagle. If you’re designing a high speed PCB, then chances are you’re working with the latest and most powerful technologies, like HDMI, USB3.0, Ethernet, or DDR. But with great...
Continue ReadingSolr: Digital Wrist Watch Calculates time from Sun Position
Time can be calculated using the azimuth of the sun (aka solar time). Based on this idea, Tinkerman has built an unusual project called Solr. The concept is to translate the position of the sun into time presented on a vintage display. This new digital watch is freak enough to work only...
Continue ReadingXBEE X V2 FPV Racing Drone Kit
XBEE, the FPV racing drones manufacturer, had produced recently its new racing frame "XBEE X V2" for $75. It is a follow-up to the previous model "The XB-X Mk2" and it is a quad drone frame with a camera on its body. X V2 is designed with Wheelbase 220mm size guide. First-person...
Continue ReadingYouTube channel IoT view counter
Kenneth Finnegan built this YouTube channel IoT view counter. He writes: I’ve wanted an Internet connected read-out for some time now, inspired by the awesome shadow box IoT projects Becky Stern has been doing (weather, YouTube subscribers). I’m certainly not to the same level...
Continue Reading20V, 4 MHz, synchronous 2x 6A step-down regulator in 20 sq mm
Graham Prophet @ eedesignnewseurope.com presents the LTC3636 and LTC3636-1 synchronous step-down regulator from Linear: LTC3636 and LTC3636-1 are high efficiency, 4 MHz synchronous dual output buck regulators that incorporate a constant frequency/controlled on-time, current mode...
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