Voodoo video.

[dfbowers]

I finally got around to finishing this project. It all went together pretty well. The only issue I ran into was that my oscillator would not run with the two 22pf caps installed. (C2 and C4). I tried 2 different crystals.. ECS-200-20-1X and one other from Digikey..once I clipped them out it runs fine. The PI section is very sensitive. I have to run the threshold around 10 or so.. The Hybrid mode is so-so.. Runs quiet even with the disc threshold set at 0 but sensitivity is adequate.. It runs best at all default settings.
For a coil, I built my own 10" concentric. 300uH TX and 6.8 mH RX. I will pot it later and do some field tests.
Here is a quick video of bench testing in both modes.
https://youtu.be/8dC6jkkSNBo
Don

[Qiaozhi]

Thanks Don.
I've created a link to your video here -> The Voodoo Project - Published October 2020
See point 5 under Updates.