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Archive for the ‘biofeedback’ Category

Hard as it is to imagine, lie detectors have been sold as children’s toys for a number of years. A simple battery-operated device clipped to your fingers and would show the conductivity of your skin. The concept — which is probably not very reliable — observers that lying causes you to imperceptibly sweat which causes a sudden increase in your skin’s conductivity. These cheap toys would have a meter and you’d note the meter deflection to determine if the subject was lying.

You can debate the amusement value of interrogating your friends, perhaps, but they were pretty common and still exist (including some that shock you if they detect you are lying). Seventeen-year-old [BuildIt] has his own modern take on this classic device using — what else? — an Arduino. You can see a video of the device below.

fvb06bzirsuey29-largeOf interest is how he used the latest version of the Arduino IDE to visualize the data graphically (see right). This is easier than interpreting a bunch of numbers scrolling by on the serial terminal or having to import the data into a spreadsheet. You can find the graph under the Tools menu listed as Serial Plotter.

You don’t need a lot of external parts for this project, although the finger clips and the cardboard box will take a little mechanical skill to complete.

We’ve looked at galvanic skin response and other biosignal processing before. You can do a lot more if you build a little more hardware.


Filed under: Arduino Hacks, Medical hacks

img_6994The BITalino is great for biohacking — hook up the sensors and play Classic Pong with a swing of your wrist.

Read more on MAKE

The post Use BITalino to Graph Your Biosignals and Play Pong! appeared first on Make: DIY Projects and Ideas for Makers.

Mar
22

Voice of Christopher Walken Gets you Started with the Pulse Sensor

arduino, biofeedback, Heart Rate Sensor, Pulse Sensor Commenti disabilitati su Voice of Christopher Walken Gets you Started with the Pulse Sensor 

MKPLS1-2Want to add a human element into your Arduino projects? This video, narrated by a voice that sounds suspiciously like Christoper Walken, gives you tips, tricks, and advice for getting the Pulse Sensor up and running.

Read the full article on MAKE

Nov
02
MKPLS1-2The Pulse Sensor is a great way to incorporate biofeedback into your projects. This upgraded version adds amplification and noise reduction allowing for faster, more reliable heartbeat readings.

Read the full article on MAKE



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