Ethan Crowder

The PCB replica is provided below. All components are through-hole (THT) in this revision. Unfortunately, the winding ratios aren't provided in the WFC 423-DA. Experimentation will...

NOTE FROM ETHAN CROWDER: This is a simple square wave oscillator, with close to a fixed 50% duty cycle, that utilizes two CD4046 Phase Lock Loop ICs. Four potentiometer connections...

PCB Gerber .ZIP File: 

PCB Gerber .ZIP File: PC9XC Gerbers.zip

PCB Gerber .ZIP File: PC9XE Gerbers.zip

This circuit is currently being revised and tested. As of 1-1-26, please do not purchase at this time.  PCB Gerber .ZIP File: EPG Magnetic Spin Gerbers.zip

This work is copyrighted material. However, it may be distributed for free (without profit) IF kept in it's original format, without any modifications and no monetary profit is gai...

This article is copyrighted. However, it may be freely shared IF KEPT IN THE ORIGINAL FORMAT AND NO MONETARY PROFIT IS PURSUED. Dual Laser Distributor Analysis Article: Dual Laser...

Coming in the future

Sorry to tease, but it'll be coming in 2026, promise :)

The design is centered around market available semi-clear 3" PVC pipe. As of 12-7-25, I've not have CNC machined versions. Until I get around to that, please only focus on the belo...

Semi-clear PVC pipe (USA - Ebay distributor): Semi-Clear PVC Pipe Main Cell Body: Main Body-NineResonantCavity_12-31-25.step Electrode Cap: ElectrodeCap-NineResonantCavity_12-31-25...

Coming Soon

Coming Soon

Coming soon.

Coming Soon

The following .STEP and STL files are from Memo WFC 423-DA. The .STEP files have been provided for CNC machining. STLs are for 3D printing. Discrepancies were found with Stan's ori...

Coming in the future

Coming in the future