sensors   9572

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Servo Trigger Firmware on Arduino -
Overcoming the one servo restriction and replacing switches, jumpers and potentiometers with software controlled variables.  fsm  arduino  embedded  sensors  programming 
2 days ago by cyberchucktx
Flawed analysis, failed oversight: How Boeing, FAA certified the suspect 737 MAX flight control system
omg this article is absolutely horrific. Boeing are in deep shit if this is borne out.
Like all 737s, the MAX actually has two of the sensors, one on each side of the fuselage near the cockpit. But the MCAS was designed to take a reading from only one of them.

Lemme said Boeing could have designed the system to compare the readings from the two vanes, which would have indicated if one of them was way off. Alternatively, the system could have been designed to check that the angle-of-attack reading was accurate while the plane was taxiing on the ground before takeoff, when the angle of attack should read zero.

“They could have designed a two-channel system. Or they could have tested the value of angle of attack on the ground,” said Lemme. “I don’t know why they didn’t.”

The black box data provided in the preliminary investigation report shows that readings from the two sensors differed by some 20 degrees not only throughout the flight but also while the airplane taxied on the ground before takeoff.
faa  aviation  boeing  737max  safety  fail  sensors  flight  crashes  mcas 
6 days ago by jm
Gierad Laput | Synthetic Sensors
We explore the notion of general-purpose sensing, wherein a single, highly capable sensor can indirectly monitor a large context, without direct instrumentation of objects. Further, through what we call Synthetic Sensors, we can virtualize raw sensor data into actionable feeds, whilst simultaneously mitigating immediate privacy issues. We use a series of structured, formative studies to inform the development of new sensor hardware and accompanying information architecture. We deployed our system across many months and environments, the results of which show the versatility, accuracy and potential of this approach.
sensor  sensors  iot  measurement  analytics 
8 days ago by euler
HealthyPi v3 Complete Kit
HealthyPi is a fully open source, one-of-a-kind vital signs monitor based on a Raspberry Pi as the main computer. This HAT add-on board sits atop the Raspberry Pi 3’s 4o-pin expansion header and turns it into a complete vital sign monitor Available as a HAT add-on board for Raspberry Pi or a complete kit including the Raspberry Pi along with a microSD card with all the software pre-installed.
medical  raspberrypi  shield  sensors  health 
11 days ago by cyberchucktx
Data Privacy Week: Privacy in Public Spaces | Privacy International
In the era of smart cities, the gap between the internet and the so-called physical world is closing. Gone are the days, when the internet was limited to your activities behind a desktop screen, when nobody knew you were a dog.
privacy  international  surveillance  smart  city  society  technology  sensors  ODM 
18 days ago by juliantait
Smart Cities | Privacy International
Do you live in a “smart city”? Chances are, if you live in a city – even if you are not aware of it – you probably do. Beyond the marketing term – that companies have been using to sell the idea of a city that becomes more efficient, more sustainable and more secure by using technology – what smart cities are really about is the collection of data in the public space by government and the private sector to provide services.
privacy  international  surveillance  smart  city  technology  sensors  iot  odm 
18 days ago by juliantait
Reporting with heat : The "Harlem Heat Project" reveals public health risks of urban heat, using a combinat…
sensors  from twitter_favs
24 days ago by ThomNagy
DNA Biosensing with 3D Printing | | The Voice of 3D Printing / Additive Manufacturing
A biosensor is an analytical device, used for the detection of a chemical substance, that combines a biological component with a physicochemical detector. The sensitive biological element, e.g. tissue, microorganisms, organelles, cell receptors, enzymes, antibodies, nucleic acids, etc., is a biologically derived material or biomimetic component that interacts, binds, or recognizes with the analyte under study.

So why are 3D printers important in the field of biosensing? In terms of tool creation, it is vital for biotech companies and researchers to build new prototypes and mini machines for biosensing. In order to rapidly make advances within this type of technology, 3D printing is used to cut down costs, as well as iterate designs. This helps to streamline innovation and develop new methods to reduce the production of biosensors.
dna  3dprinting  biosensors  sensors  medical 
24 days ago by cyberchucktx
OpenBCI - Open Source Biosensing Tools (EEG, EMG, EKG, and more)
We provide anyone with a computer, the tools necessary to sample the electrical activity of their body. Our vesatile and affordable bio-sensing microcontrollers can be used to sample electrical brain activity (EEG), muscle activity (EMG), heart rate (EKG), and much more. Our 3D-printable EEG headsets can be used to get research-grade EEG recordings.
sensors  biohacking  biofeedback  eeg  diy  neurology  brain-waves  brain-monitoring 
25 days ago by ilijusin
MyoWare Muscle Sensor Development Kit - KIT-14409 - SparkFun Electronics
Using our muscles to control things is the way that most of us are accustomed to doing it. We push buttons, pull levers, move joysticks...but what if we co
arduino  sensors_robotics  sensors 
4 weeks ago by jstenner

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