Shannon Morrisey's Blog (41)

HackRF PortaPack - ARM Cortex software defined radio

Very cool application using the excellent HackRF platform demoed at Defcon.

From HackADay:

What do you get when you combine one of the best (and certainly one of the best for the…

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Added by Shannon Morrisey on August 18, 2014 at 12:47am — 4 Comments

Reverse Engineering RC Toys Using RaspberryPi

Very cool project using RasPi as a transmitter for controlling RC toys.  The dev employed an impressive brute-force method [script + webcam] to identify command codes.

From HackADay:  

An interesting trick you can do with a a fast CPU and a GPIO pin mapped directly to…

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Added by Shannon Morrisey on June 4, 2014 at 2:46am — No Comments

DIY FPGA Reflow Oven

Cool Xmas Day project uses Papilio FPGA control

From HackADay:

"For Christmas, [Hamster]‘s wife gave him a mini-oven. Later that day, he tore it apart and built this FPGA controlled reflow oven.

We’ve seen plenty of reflow oven builds in the past. Most of…

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Added by Shannon Morrisey on December 28, 2013 at 11:52pm — 7 Comments

Has Flight Automation Gone Too Far?

Interesting read on the limits and human factors complicating flight automation.  I contend that all issues are solved with better sensors & processing ability/reliability.

From…

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Added by Shannon Morrisey on July 25, 2013 at 4:05pm — 14 Comments

The Rise of Winglets

Nice brief article explains winglets & shows some new and unusual concepts

From Things With Wings - AvaitionWeek:…

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Added by Shannon Morrisey on March 8, 2013 at 12:11am — 1 Comment

HackEDA is the Future of Circuit Design

Another cool plug-and-play EDA tool with circuit template library for EagleCAD - thanks to open XML (aforementioned)

From HackEDA via …

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Added by Shannon Morrisey on February 16, 2013 at 8:04am — 1 Comment

Major Technology Patent Case Pending

A federal appeals court is about to review a case with broad implications for abstract technology patents. 

From …

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Added by Shannon Morrisey on February 13, 2013 at 5:05am — 2 Comments

UAV Civilian Market Roundtable

Interesting roundtable discussion among UAV 'experts' and opinion leaders

From The Engineer: 'The role of the pilot, or commander, or whatever the person overseeing the aircraft is called, is already covered by the existing regulations…

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Added by Shannon Morrisey on October 17, 2012 at 4:48pm — 6 Comments

Aircraft Design for Fail

Modern fault-tolerance design for aircraft does little to help when big parts start falling off. This study proposes a design approach / philosophy for keeping things aloft during broader system failure.

From PsysOrg: /

"For example, the group studied the plane’s operation during…

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Added by Shannon Morrisey on June 15, 2012 at 8:05pm — 2 Comments

Supersonic UAV School Project Graduates into a Business

A University of Colorado Asst. Professor is transitioning his GoJett Supersonic UAV project into a business.

From University of Colorado News:

"The UAV is intended to shape the next generation of flight experimentation… Its…

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Added by Shannon Morrisey on February 24, 2012 at 7:30pm — 1 Comment

Industrial Robot Porn

I met some new industrial robots in the flesh at ATX West (Automation Technology Expo).  Nothing particularly groundbreaking here, but the speed and dexterity of the latest generation is remarkable (many were too fast for my phone's camera frame rate). There were a ton of these 4 and 6-axis delta robots (ones with 3 skinny steel arms). Also saw…

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Added by Shannon Morrisey on February 15, 2012 at 8:00pm — 5 Comments

Top-Heavy Airborne Pyramids for Improved Stability

Fascinating NYU experiment reveals surprising data on fluid-dynamics for top-heavy airborne structures.  

From ScienceMag (video) via Wired…

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Added by Shannon Morrisey on February 8, 2012 at 4:30pm — 11 Comments

Congress Passes UAV Bill

The flying robot equality bill aims to end prejudice inside heavily segregated FAA airspace, among other things.

From The Washington Post:

"The FAA is also required under the…

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Added by Shannon Morrisey on February 6, 2012 at 5:10pm — 17 Comments

Android App for Controlling Arduino via Bluetooth

ArduinoCommander is a sweet new Android app for controlling Arduino with a Bluetooth shield. 

From Android Market:

"Control your Arduino board from your Android device via Bluetooth using WYSIWYG…

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Added by Shannon Morrisey on February 3, 2012 at 1:00pm — 5 Comments

Kickstarter Drone is a Hoax

After receiving much attention over the past few days, the aforementioned Eye3 Drone project on Kickstarter has been officially pulled on account of photoshop shenanigans and overall shadiness.

From…

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Added by Shannon Morrisey on January 31, 2012 at 6:57pm — 21 Comments

How Fast Can You Fly Without Crashing?

A professor at MIT developed an equation to determine the fastest theoretical air-speed for obstacle avoidance.

From Science Blog:  "Emilio Frazzoli, an associate professor of aeronautics and…

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Added by Shannon Morrisey on January 19, 2012 at 9:43pm — 7 Comments

Universal GSM Remote Control module

TiDiGino is a new open source Arduino-based (ATmega2560) GSM remote control module.  From open-electronics via dangerous…

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Added by Shannon Morrisey on January 9, 2012 at 5:30pm — No Comments

Android Circuit Editor/Simulator App

By far the coolest phone / tablet app I've come across. EveryCircuit is a simple SPICE circuit design tool with a slick touch interface, shows voltage and current animations and more.  This is no doubt the look and feel of circuit design tools for the future. Also could be a fun, easy way to…

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Added by Shannon Morrisey on October 27, 2011 at 3:17pm — 6 Comments

Cool IMU Project

Nice IMU project spotted on Dangerous Prototypes with MEMS gyros and accelerometer, Cortex-M3.

"The IMU is supposed to be high-end, implementing state-of-the-art data filtering, best low-cost MEMS sensors available and many features to compete with commercial IMUs used in…

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Added by Shannon Morrisey on September 27, 2011 at 6:54pm — 1 Comment

Eagle CAD Tutorial

Nice series of CadSoft Eagle tutorials from HackADay

 

I have yet to work with Eagle but am now motivated to do so on account of the aforementioned improvements…

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Added by Shannon Morrisey on September 21, 2011 at 7:11pm — 1 Comment

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