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clockdryve
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Joined: Feb 7th, 2010
Location: Des Moines, Iowa USA
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Here's the link giving information on the IR Diode.
Very simple to make as it only requires 2 parts and solder.
http://atransc.org/techniques/techniques_optical_microphone2.htm
That link has good info on it but the phototransistor response may be slow...response time is one of the tests I will be doing on the various transducers out there; the photoresistor may also be too slow of response time...
Spirit ans Entity communications can come in many varieties and they may only work for some people; here is a picture of them the phototransistor may work better tho:
possibly 'faster' photoTRANSISTOR:
http://octopart.com/276-145-radioshack-7529296
'slow' photoRESISTOR:
http://www.alliedelec.com/search/productdetail.aspx?SKU=70219674&utm_source=octopart&utm_medium=part_sourcing&utm_campaign=octopart
I am trying to get my electronics lab setup and I am doing up a video stream so be sure to visit:
http://www.itcbridge.com/forum/view_topic.php?id=2204&forum_id=32
Mr Zeta