After I watch “SUPERNATURAL” TV series, I got an idea about making EMF which can detect some supernatural things like spirit, demon etc. So I looked for the project about EMF at google and I found at this link. This is the photos of mine.
Electromgnetic Field Detector
And this is the schematic and layout.
The Circuit
You can download my schematic and layout in here.
Enjoy!
can i have the detail on your progress on doing this project or the report?
A question about the cutoff frequencies. The lower cutoff frequency is 482Hz. But how to calculate the higer cutoff frequency?