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Reverse engineering the silicon in the ARM1 processor

How can you count bits in hardware? In this article, I reverse-engineer the circuit used by the ARM1 processor to count the number of set bits in a 16-bit field, showing how individual transistors form multiplexers, which are combined into adders, and finally form the bit counter. The ARM1 is the ancestor of the processor in most cell phones, so you may have a descendent of this circuit in your pocket. ARM ...

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Swimming-pool ships make waves in modular robotics (w/ Video)

(Phys.org)—University of Pennsylvania engineering Professor Mark Yim and his students in the Department of Mechanical Engineering and Applied Mechanics have been floating their robotic boats at the university pool after-hours as part of a Defense Advanced Research Projects Agency (DARPA) project. They have received funding from DARPA's Tactically Expandable Maritime Platform. ...

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Illinois robotics lab’s HyTAQ moves in air, rolls on land (w/ video)

(Phys.org)—Quadrotors that can not only successfully fly in the air but can also roll along on the ground represent the kind of exercise that moves researchers at the Robotics Lab at Illinois Institute of Technology (IIT), which is part of the Mechanical, Materials, and Aerospace Engineering Department. Engineers there have developed a vehicle that indeed can move on land and air. ...

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ProStar Wins Celebrate Engineering & Technology Innovations Award from FIATECH.

Austin, TX (PRWEB) May 06, 2011 FIATECH, a member-led, industry consortium that provides global leadership in identifying and accelerating the development, demonstration and deployment of emerging and innovative technologies, recognized and honored 13 organizations and individuals for their extraordinary work in developing and deploying innovative engineering and construction technologies at the 5th annual ...

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Eleven Engineering Introduces “Chipcon Powered” Low Power Wireless Audio Modules Optimized for Headphones and Other Battery Operated Devices

Las Vegas, NV (PRWEB) January 5, 2006 Today Eleven Engineering Incorporated announces the Squeak 1C digital wireless audio modules featuring XInC2 are production ready. The modules are optimized for low power operation with Chipcon's CC2400 transceiver and the XInC2 wireless processor from Eleven. In fact on a single charge, a 3.7 V Li-Ion battery with 660 mAh nominal capacity could power headphones with th ...

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ECEs Embedded Controller Recognized by Automotive Engineering International

Toledo, OH (PRWEB) January 20, 2006 In the December 2005 issue of Automotive Engineering International magazine, Electronic Concepts & Engineerings (ECE) VCU electronic controller was named as one of the Top Products of the Year. The multi-purpose VCU is a prototype level electronic controller for vehicle applications. ECE can modify the baseline VCU hardware design and write customized software fo ...

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Allied Electronics, Design News Take Gadget Freak Competition Live at National Design Engineering Show

Fort Worth, Texas (PRWEB) March 17, 2006 Allied Electronics and Design News will challenge engineers to design on the fly when they take the Gadget Freak contest live at the National Design Engineering Show and Conference in Chicago from March 21-23. The 3rd Annual Gadget Freak Workshop Competition, hosted by Design News and sponsored by Allied Electronics, challenges engineers to assemble simple and ...

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