Detector Sensor Led
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Hall-Effect Sensor Project?
I'm a novice with a breadboard, a Hall-Effect Sensor (soon, coming in the mail) and a driving urge to build a very simple EMF Detector. I would be happy with one that simply beeps or lights an LED when an EMF is present, and will upgrade with variable display results (depending on intensity of field) later... Can anyone point me to a site that might explain where to start a project like this or... can anyone tell me where to begin. The sensor has 3 prongs... and that's about all I know about the device other than when current is forced through one part, and a magnetic field is present, the flat conductive magnetic surface forces the flow of charge one way or the other... What do I hook to what prongs... what kind of resistors, capacitors, etc. might I need? Again, ANY help greatly appreciated.
start with a spec sheet from the hall effect mfg's web site. Also, order the printed spec sheets. Spec sheets usually include sample schematics for various projects using the device in question.
Before GPS, I built a compass using 4 hall effect devices and a center 0 microamp meter. Used it for yours!
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sensor led flashlight (9v, with light detector)
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