PS:1 Wiki Dev - User contributions [en]

Biosensor Array ECG/EKG

2011-04-18T00:23:57Z

Danman: /* Resources */

====== This page is part of the [[Biosensor Array]] Project ======

== EKG Circuit Update ([http://www.element14.com/community/groups/pumping-station-one/blog/2011/04/01/ekg-circuit-update element14 post]) ==

When your heart beats, it generates an electrical current, or signal. The range of that signal can vary from .05 Hz to 150 Hz. Anything outside of that range isn't coming from your body, so to the first step in building our EKG sensor is to filter out all signals that outside of that range. We're doing that using two second order Butterworth filters (one high-pass and one low-). I used this hand dandy online filter calculator to figure out what components I would need.

[[File:EEG-EKG-Amplifier.JPG|thumb|EEG-EKG-Amplifier.JPG|text| EEG EKG Amplifier based on Open EEG Design]]

[[File:SallenKeyLP.gif|thumb|alt=SallenKeyLP.gif|text|The low pass filter diagram.]]

After amplifying the signal and filtering it to remove the power line signal of 60 Hz, we may amplify the signal again and pass it into the main Arduino for some processing before it gets sent to the Master Controller that's sending all the data off of the sensor array.

But we'll have to build the signal amplifier first. We will use a design close to the reference design from the INA114 instrumentation amplifier datasheet, design also based on the Open EEG project design. I'll post an update after my build this weekend.

== Notes ==

Desired filter range: .05-150 Hz

== Resources ==
*[http://http://www.open-ecg-project.org Open ECG Project]
*[http://www.neozap.com/index.htm Neozap] - A personal project with some good info on ECG builds
*[http://daycounter.com/Filters/ Butterworth filter calculators]
*[https://docs.google.com/leaf?id=0B7nuloU9uXq2ZTgwYjBkMjctY2E5OS00N2M5LWJlMGQtYTY4NTIxMzYwNjBl&hl=en&authkey=CNCbmd0E Introduction to Biomedical Engineering - John D. Enderle et al] - PDF on Google Docs
*[http://instruct1.cit.cornell.edu/courses/bionb440/FinalProjects/f2005/kwj5/index.html Wireless ECG]
*[http://openeeg.sourceforge.net/doc/ Open EEG Project]

Biosensor Array ECG/EKG

2011-04-18T00:23:57Z

Danman: /* Resources */

Biosensor Array ECG/EKG

2011-04-18T00:22:32Z

Danman: /* EKG Circuit Update (element14 post) */

Biosensor Array ECG/EKG

2011-04-18T00:22:32Z

Danman: /* EKG Circuit Update (element14 post) */

User:Danman

2011-04-18T00:18:08Z

Danman: /* Dan Dumitrescu */

== Dan Dumitrescu ==

Electronics engineer turned Info Security Consultant... going back to the roots, to actually building things as opposed to breaking things.

User:Danman

2011-04-18T00:18:08Z

Danman: /* Dan Dumitrescu */

== Dan Dumitrescu ==

Electronics engineer turned Info Security Consultant... going back to the roots, to actually building things as opposed to breaking things.

User:Danman

2011-04-18T00:17:42Z

Danman: Created page with ' == Dan Dumitrescu == Electronics engineer turned Info Security Cosultant... going back to the roots, to actually build things as opposed to breaking things.'

== Dan Dumitrescu ==

Electronics engineer turned Info Security Cosultant... going back to the roots, to actually build things as opposed to breaking things.

User:Danman

2011-04-18T00:17:42Z

Danman: Created page with ' == Dan Dumitrescu == Electronics engineer turned Info Security Cosultant... going back to the roots, to actually build things as opposed to breaking things.'

== Dan Dumitrescu ==

Electronics engineer turned Info Security Cosultant... going back to the roots, to actually build things as opposed to breaking things.

File:EEG-EKG-Amplifier.JPG

2011-04-18T00:13:16Z

Danman:

File:EEG-EKG-Amplifier.JPG

2011-04-18T00:13:16Z

Danman:

Biosensor Array ECG/EKG

2011-04-18T00:08:04Z

Danman:

====== This page is part of the [[Biosensor Array]] Project ======

== EKG Circuit Update ([http://www.element14.com/community/groups/pumping-station-one/blog/2011/04/01/ekg-circuit-update element14 post]) ==

When your heart beats, it generates an electrical current, or signal. The range of that signal can vary from .05 Hz to 150 Hz. Anything outside of that range isn't coming from your body, so to the first step in building our EKG sensor is to filter out all signals that outside of that range. We're doing that using two second order Butterworth filters (one high-pass and one low-). I used this hand dandy online filter calculator to figure out what components I would need.

[[File:SallenKeyLP.gif|thumb|alt=SallenKeyLP.gif|text|The low pass filter diagram.]]

After amplifying the signal and filtering it to remove the power line signal of 60 Hz, we may amplify the signal again and pass it into the main Arduino for some processing before it gets sent to the Master Controller that's sending all the data off of the sensor array.

[[File:EEG-EKG-Amplifier.JPG|thumb|EEG-EKG-Amplifier.JPG|text| EEG EKG Amplifier based on Open EEG Design]]

But we'll have to build the signal amplifier first. We will use a design close to the reference design from the INA114 instrumentation amplifier datasheet, design also based on the Open EEG project design. I'll post an update after my build this weekend.

== Notes ==

Desired filter range: .05-150 Hz

== Resources ==
*[http://http://www.open-ecg-project.org Open ECG Project]
*[http://www.neozap.com/index.htm Neozap] - A personal project with some good info on ECG builds
*[http://daycounter.com/Filters/ Butterworth filter calculators]
*[https://docs.google.com/leaf?id=0B7nuloU9uXq2ZTgwYjBkMjctY2E5OS00N2M5LWJlMGQtYTY4NTIxMzYwNjBl&hl=en&authkey=CNCbmd0E Introduction to Biomedical Engineering - John D. Enderle et al] - PDF on Google Docs
*[http://instruct1.cit.cornell.edu/courses/bionb440/FinalProjects/f2005/kwj5/index.html Wireless ECG]

Biosensor Array ECG/EKG

2011-04-18T00:08:04Z

Danman:

====== This page is part of the [[Biosensor Array]] Project ======

== EKG Circuit Update ([http://www.element14.com/community/groups/pumping-station-one/blog/2011/04/01/ekg-circuit-update element14 post]) ==

When your heart beats, it generates an electrical current, or signal. The range of that signal can vary from .05 Hz to 150 Hz. Anything outside of that range isn't coming from your body, so to the first step in building our EKG sensor is to filter out all signals that outside of that range. We're doing that using two second order Butterworth filters (one high-pass and one low-). I used this hand dandy online filter calculator to figure out what components I would need.

[[File:SallenKeyLP.gif|thumb|alt=SallenKeyLP.gif|text|The low pass filter diagram.]]

After amplifying the signal and filtering it to remove the power line signal of 60 Hz, we may amplify the signal again and pass it into the main Arduino for some processing before it gets sent to the Master Controller that's sending all the data off of the sensor array.

[[File:EEG-EKG-Amplifier.JPG|thumb|EEG-EKG-Amplifier.JPG|text| EEG EKG Amplifier based on Open EEG Design]]

But we'll have to build the signal amplifier first. We will use a design close to the reference design from the INA114 instrumentation amplifier datasheet, design also based on the Open EEG project design. I'll post an update after my build this weekend.

== Notes ==

Desired filter range: .05-150 Hz

== Resources ==
*[http://http://www.open-ecg-project.org Open ECG Project]
*[http://www.neozap.com/index.htm Neozap] - A personal project with some good info on ECG builds
*[http://daycounter.com/Filters/ Butterworth filter calculators]
*[https://docs.google.com/leaf?id=0B7nuloU9uXq2ZTgwYjBkMjctY2E5OS00N2M5LWJlMGQtYTY4NTIxMzYwNjBl&hl=en&authkey=CNCbmd0E Introduction to Biomedical Engineering - John D. Enderle et al] - PDF on Google Docs
*[http://instruct1.cit.cornell.edu/courses/bionb440/FinalProjects/f2005/kwj5/index.html Wireless ECG]

Biosensor Array ECG/EKG

2011-04-18T00:06:13Z

Danman: /* EKG Circuit Update (element14 post) */

====== This page is part of the [[Biosensor Array]] Project ======

== EKG Circuit Update ([http://www.element14.com/community/groups/pumping-station-one/blog/2011/04/01/ekg-circuit-update element14 post]) ==

When your heart beats, it generates an electrical current, or signal. The range of that signal can vary from .05 Hz to 150 Hz. Anything outside of that range isn't coming from your body, so to the first step in building our EKG sensor is to filter out all signals that outside of that range. We're doing that using two second order Butterworth filters (one high-pass and one low-). I used this hand dandy online filter calculator to figure out what components I would need.

[[File:SallenKeyLP.gif|thumb|alt=SallenKeyLP.gif|text|The low pass filter diagram.]]

After amplifying the signal and filtering it to remove the power line signal of 60 Hz, we may amplify the signal again and pass it into the main Arduino for some processing before it gets sent to the Master Controller that's sending all the data off of the sensor array.

[[File:EEG-EKG-Amplifier.JPG|thumb|EEG-EKG-Amplifier.JPG|text| EEG EKG Amplifier based on Open EEG Design]]

But we'll have to build the signal amplifier first. We will use a design close to the reference design from the INA114 instrumentation amplifier, design also based on the Open EEG project design. I'll post an update after my build this weekend.

== Notes ==

Desired filter range: .05-150 Hz

== Resources ==
*[http://http://www.open-ecg-project.org Open ECG Project]
*[http://www.neozap.com/index.htm Neozap] - A personal project with some good info on ECG builds
*[http://daycounter.com/Filters/ Butterworth filter calculators]
*[https://docs.google.com/leaf?id=0B7nuloU9uXq2ZTgwYjBkMjctY2E5OS00N2M5LWJlMGQtYTY4NTIxMzYwNjBl&hl=en&authkey=CNCbmd0E Introduction to Biomedical Engineering - John D. Enderle et al] - PDF on Google Docs
*[http://instruct1.cit.cornell.edu/courses/bionb440/FinalProjects/f2005/kwj5/index.html Wireless ECG]

Biosensor Array ECG/EKG

2011-04-18T00:06:13Z

Danman: /* EKG Circuit Update (element14 post) */

====== This page is part of the [[Biosensor Array]] Project ======

== EKG Circuit Update ([http://www.element14.com/community/groups/pumping-station-one/blog/2011/04/01/ekg-circuit-update element14 post]) ==

When your heart beats, it generates an electrical current, or signal. The range of that signal can vary from .05 Hz to 150 Hz. Anything outside of that range isn't coming from your body, so to the first step in building our EKG sensor is to filter out all signals that outside of that range. We're doing that using two second order Butterworth filters (one high-pass and one low-). I used this hand dandy online filter calculator to figure out what components I would need.

[[File:SallenKeyLP.gif|thumb|alt=SallenKeyLP.gif|text|The low pass filter diagram.]]

After amplifying the signal and filtering it to remove the power line signal of 60 Hz, we may amplify the signal again and pass it into the main Arduino for some processing before it gets sent to the Master Controller that's sending all the data off of the sensor array.

[[File:EEG-EKG-Amplifier.JPG|thumb|EEG-EKG-Amplifier.JPG|text| EEG EKG Amplifier based on Open EEG Design]]

But we'll have to build the signal amplifier first. We will use a design close to the reference design from the INA114 instrumentation amplifier, design also based on the Open EEG project design. I'll post an update after my build this weekend.

== Notes ==

Desired filter range: .05-150 Hz

== Resources ==
*[http://http://www.open-ecg-project.org Open ECG Project]
*[http://www.neozap.com/index.htm Neozap] - A personal project with some good info on ECG builds
*[http://daycounter.com/Filters/ Butterworth filter calculators]
*[https://docs.google.com/leaf?id=0B7nuloU9uXq2ZTgwYjBkMjctY2E5OS00N2M5LWJlMGQtYTY4NTIxMzYwNjBl&hl=en&authkey=CNCbmd0E Introduction to Biomedical Engineering - John D. Enderle et al] - PDF on Google Docs
*[http://instruct1.cit.cornell.edu/courses/bionb440/FinalProjects/f2005/kwj5/index.html Wireless ECG]

Biosensor Array Heartrate

2011-04-17T23:50:31Z

Danman: /* This page is part of the Biosensor Array Project */

====== This page is part of the [[Biosensor Array]] Project ======

----
Heart rate will be determined from the oxygen saturation sensor.

Biosensor Array Heartrate

2011-04-17T23:50:31Z

Danman: /* This page is part of the Biosensor Array Project */

====== This page is part of the [[Biosensor Array]] Project ======

----
Heart rate will be determined from the oxygen saturation sensor.

Biosensor Array Oxygen Saturation

2011-04-17T23:44:29Z

Danman: /* This page is part of the Biosensor Array Project, led by Phil */

====== This page is part of the [[Biosensor Array]] Project, data by Avner & Dan ======

----
[http://hackaday.com/2010/01/06/pulse-oximeter/ DIY pulse oximeter]

[http://www.cs.cmu.edu/~RAS/old/DataSheets/tsl260.pdf TSL262 IR LIGHT-TO-VOLTAGE OPTICAL SENSORS Datasheet]

[http://www.parallax.com/StoreSearchResults/tabid/768/txtSearch/infrared/List/0/SortField/4/ProductID/177/Default.aspx Parallax Infrared Sensor]

Biosensor Array Oxygen Saturation

2011-04-17T23:44:29Z

Danman: /* This page is part of the Biosensor Array Project, led by Phil */

Biosensor Array

2011-04-17T23:27:46Z

Danman:

= Overview =

== Concept ==
[http://en.wikipedia.org/wiki/Mitch_Altman Mitch Altman] proposed a Global Hackerspace Challenge and PS:One accepted. The challenge requires that we use a microcontroller and a portable power source bought from [http://us.element14.com/ element14] in creating a mobile device to aid in Education. $900 budget was provided by element14. The full description of the Challenge is at [http://www.tvbgone.com/downloads/hs_challenge/hs_challenge.htm Global Hackerspace Challenge].

=== Mission ===
We are building an array of biosensors as part of our program to:
# familiarize people with collecting data
# provide useful health related information displayed in a digestible manner to the device wearer
# provide larger data samples to medical professionals should the user choose to share what they have collected
# promote healthy living and health awareness
# encourage hobby electronics by using open sourced hardware

=== Audience ===
Our initial audience for this device kit will be secondary schools and colleges. It will be marketed as an educational and personal experimental tool. The array will collect data from various sensors attached to the test subject's body and then make that data available to the experimenter. The project will use as many common consumer parts as possible.

=== PS:1's Element14 Blog ===
Videos and other build related posts will be published through Element14's blog: [http://www.element14.com/community/groups/pumping-station-one http://www.element14.com/community/groups/pumping-station-one]

Other space's GGHC blogs, etc, can be found here as well: [http://www.element14.com/community/groups/search.jspa?peopleEnabled=true&userID=&containerType=&container=&spotlight=true&searchLanguage=en&q=gghc search gghc]

=== The Team ===

As of 15 April 2011:

* [[User:Billmania|Bill Mania]]
* Avner Shanan
* Shawn Blaszak
* [[USER:Ehanley|Eric Hanley]]
* [[User:pdp7|Drew Fustini]]
* Kyle Granat
* Dan Dumitrescu

== Product Line Overview ==
=== General Student Kit ===
for the kids this is the primary kit we are developing for the GGHC.

This kit includes wired sensors and a mother microcontroller enough to get students involved in data logging.
* [[Biosensor Array Mother Arduino | Mother Arduino]]
* Sensor: [[Biosensor Array Body Temperature | Body Temperature]]
* Sensor: [[Biosensor Array Oxygen Saturation | Oxygen Saturation]]
* Sensor: [[Biosensor Array Heartrate | Heartrate]]
* Sensor: [[Biosensor Array Galvanic Skin Response | Galvanic Skin Response]]
* Sensor: [[Biosensor Array Respiratory Volume/Frequency | Respiratory Volume/Frequency]]
* Sensor: [[Biosensor Array Carbon Dioxide Output | Carbon Dioxide Output]]
* [[Biosensor Array Body Harness|Body Harness]]

=== Wireless Student Kit ===
* Same as General Student Kit but the sensors are wireless via xbee shields. Just in case wires aren't your thing.

=== Expandable Modules ===
for the Mad Scientists, Cyclists, Marathoners, and Runners.

These sensors and devices are too hardcore to be included in the basic package but we wanted to provide them should you need to take over the world. Most have another ardunio onboard.
* [[Biosensor Array EEG|EEG]]
* [[Biosensor Array ECG/EKG|ECG/EKG]]
* [[Biosensor Array EMG|EMG]]
* [[Biosensor Array GPS|GPS]]
* [[Biosensor Array Analog Logging Device|Analog Logging Device]]
* [[Biosensor Array Wireless Device Node|Wireless Device Node]]
* [[Biosensor Array 3rd Party Device Node|3rd Party Device Node]]
** Fitbit
** Wii Fit

== Guides ==

=== [[End User Documentation]] ===

=== Community ===
*[http://groups.google.com/group/pumping-station-one-gghc PS:1 GGHC Google Group]
*[http://www.element-14.com/community/groups/pumping-station-one PS:1 Group on element14]
*[http://www.element-14.com/community/groups/the-great-global-hackerspace-challenge Official element14 Group]

=== Similar projects ===

* [http://www.monkeysandrobots.com/narscisystem Narcisystem]
* [http://cons.truct.org/archives/jython-and-dyio.html DyIO]
* [http://www.element-14.com/community/blogs/bioboardblog/2011/03/24/be-excellent-to-each-other-dudes Noisebridge BioBoard]
* Primer Biosensing - ''[http://makezine.com/ MAKE]''

= [[Biosensor Array Developer]] =
This page is '''focused on developers''', unlike the current page you are viewing which is '''focused on end users'''. Developer gets into all the nitty gritty details of the direction, design, and fabrication of the project.

Here are some of the Key Sections:
== [[Biosensor Array Developer#GGHC|GGHC]] ==

== [[Biosensor Array Developer#Resources|Resources]] ==

== [[Biosensor Array Developer#Biosensor Array Notes|Biosensor Array Notes ]] ==

== [[Biosensor Array Developer#Member Notes|Member Notes]] ==

== [[Biosensor Array Developer#Weekly Meeting Notes|Weekly Meeting Notes]] ==

Biosensor Array

2011-04-17T23:27:46Z

Danman: