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EEVblog #498 - How to get a $50 oscilloscope on eBay

July 25, 2013 2:41 pm | Comments

Dave shows you how it's not that hard to find that mythical $50 analog oscilloscope on ebay. At least in the US and UK. It's not impossible, it turns out. For more, check out:$50-oscilloscope-on-ebay/


Engineering Update #17: The DIY quadrotor and 3D-printed Mini-Me

July 25, 2013 12:49 pm | Comments

In this week's headlines: Drone It Yourself turns random objects into RC quadrotors: A Drone It Yourself project turns just about anything into a quadrotor drone with the addition of a few motors and a control unit. Twinkind 3D photo booth scans your body in a flash: A company called Twinkind in Hamburg, Germany is offering a 3D portrait service that creates your very own mini-me.


RapidFIRE: 3D printers emit harmful particles

July 24, 2013 12:29 pm | Comments

A recent paper by researchers in the Built Environment Research Group at the Illinois Institute of Technology announces some troubling news for at-home and cubical rapid prototypers; the emission spewing from desktop 3D printers could be releasing harmful nanoparticles.


Differential pressure sensor provides high accuracy of ±3% RD

July 24, 2013 10:55 am | Comments

The Omron D6F-PH MEMS differential pressure sensor is compact and provides high-accuracy with superior resistance to environments. High accuracy of ±3% RD, linearized and temperature compensated, digital output (I2C communication), and high flow impedance to reduce the influence of bypass configuration...


The Pulse: Achieving sight through sound

July 24, 2013 8:58 am | Comments

This episode features:  Researchers at the University of Bath are developing a device that trains the brain to turn sounds into images, which could be used as an alternative to invasive treatments for blind and partially-sighted people.


EEVblog #496 - What is an FPGA?

July 23, 2013 2:28 pm | Comments

What is an FPGA, and how does it compare to a microcontroller? A basic introduction to what Field Programmable Gate Arrays are and how they work, and the advantages and disadvantages. FPGA Stuff in Dave's Amazon store:


Kickstarter of the Week: 12-year-old designs painting robot

July 23, 2013 9:08 am | Comments

Silvia Todd is launching her first Kickstarter campaign at the age of 12 after designing a painting robot. To make her idea a reality, Silvia approached Lenore Edman and Windell Oskay at Evil Mad Scientist Laboratories (EMSL), a Silicon Valley company that designs and produces specialized electronics and robotics kits.


Engineer It - How to test power supplies - Overview

July 22, 2013 8:58 am | Comments

TI's Bob Hanrahan kicks off with an overview on testing power supplies.  For more videos on testing power supplies, check out: Measuring efficiency: Measuring noise: Editor's note: ECN will be running the "Engineer It" video series from Texas Instruments each Monday in our e-newsletters. Stay tuned!


Engineering Newswire 47: Robotic sea creatures have guts

July 18, 2013 12:57 pm | Comments

Today on Engineering Newswire, brought to you by Interpower Corporation, we're mapping blood vessels to recognize your face, spicing up swamps with robotic frog mates, and swimming with the robotic fishes, literally, not figuratively, no one died.


Engineering Update #16: Steerable paper planes and an educational robotic fish

July 18, 2013 10:14 am | by Eric Sorensen, Coordinator of Multimedia Development | Comments

A robotics team from the University of Queensland has created two versions of a single-use UAV. The unmanned aerial vehicles, which are usually associated with clandestine military operations, are both designed to relay environmental information.


Engineer It - How to select an op amp to drive your SAR ADC

July 15, 2013 8:50 am | Comments

Learn how to select the correct operational amplifier (op amp) and RC filter value for your SAR ADC. We’ll even walk you through how to calculate, simulate and evaluate in the video. Editor's note: ECN will be running the "Engineer It" video series from Texas Instruments each Monday in our e-newsletters. Stay tuned!


Engineering Update #15: A laser gatling gun

July 11, 2013 12:38 pm | Comments

This episode of ECN's Engineering Update is brought to you by Mouser Electronics. In this week's headlines: A Laser Gatling Gun: A German laser weapons hobbyist has built a proof-of-concept Laser Gatling Gun. The aluminum-bodied gun's spinning turret features six blue 1.4-watt Class 4 lasers.


EEVBlog #492 - Vintage Motorola MicroTAC mobile phone teardown

July 10, 2013 11:32 am | Comments

What was technology like inside a 1994 Motorola MicroTAC GSM mobile phone? From the Wikipedia page: The Motorola MicroTAC was a cellular phone first manufactured as an analog version in 1989. GSM-compatible and TDMA/Dual-Mode versions were introduced in 1994.


Scientists make 3D structures from liquid metal

July 10, 2013 11:23 am | Comments

Researchers from North Carolina State Univ. have developed three-dimensional printing technology and techniques to create free-standing structures made of liquid metal at room temperature. The researchers developed multiple techniques for creating these structures, which can be used to connect electronic components in three dimensions.


Engineering Newswire 45: Navy commissions a semi-automatic railgun from BAE

July 9, 2013 9:28 am | by Eric Sorensen, Coordinator of Multimedia Development | Comments

Today on Engineering Newswire we’re further developing BAE systems Railgun, making a bionic eye for the blind, demonstrating robotic apes, and re-reinventing the toilet. BAE Systems was awarded a $34.5 million contract from the Office of Naval Research for further development of the Electromagnetic Railgun under Phase 2 of the Navy’s Innovative Naval Prototype program.



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