Difference between revisions of "Op-ampology"
From Hackteria Wiki
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[[File:lm324_breadboard.jpg|400px]] | [[File:lm324_breadboard.jpg|400px]] | ||
| − | This op-amp circuit is mainly a Low-pass filter and a DC block and can be used to amplify pulse with an LED and LDR or even measuring the heartbeat with electrodes. It can be attached to the arduino | + | This op-amp circuit is mainly a Low-pass filter and a DC block and can be used to amplify pulse with an LED and LDR or even measuring the heartbeat with electrodes. It can be attached to the arduino or into the line-in of your computer, |
http://www.swharden.com/blog/2013-04-14-simple-diy-ecg-pulse-oximeter-version-2/ | http://www.swharden.com/blog/2013-04-14-simple-diy-ecg-pulse-oximeter-version-2/ | ||
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| + | http://pulsesensor.com/ | ||
==== Instrumental Amp for GSR ==== | ==== Instrumental Amp for GSR ==== | ||
Revision as of 13:54, 5 February 2015
Contents
Basics
This is a subsection of all our experiments related to:
Examples for different Op-amps
LM386
classic...
LM324
Low-Pass filter amp for slow pulse, EKG, action potentials etc
This op-amp circuit is mainly a Low-pass filter and a DC block and can be used to amplify pulse with an LED and LDR or even measuring the heartbeat with electrodes. It can be attached to the arduino or into the line-in of your computer,
http://www.swharden.com/blog/2013-04-14-simple-diy-ecg-pulse-oximeter-version-2/
Instrumental Amp for GSR
Example of Instrumental amplifier to measure resistance in plants or on the skin (GSR)
http://www.chris3000.com/archive/galvanic-skin-response/
http://lessnullvoid.cc/pulsum/nuevo-kit-pulsum/
