nostr:npub1ca0rmtrccdzjsgtn0mhg2a8k4gzw4jj6exx2gldvnfn68vufgrvqq4qfax 

This is called phase voltage control, and the signal output will look something like this.

nostr:npub12atwfrq4rfv7fqara6gzsgrgj7k8ngewzl5nzs46agwyxzh0e25qxlme5y #3dprinting

https://files.techhub.social/media_attachments/files/111/021/042/849/627/298/original/3d27f4f4670ef229.jpg