Ecler Eternal magnetic fader teardown
Your trustable pcb prototype partner : https://www.pcbway.com/
Reverse-engineering an interesting fader that uses two split transformers to sense the position of the wiper.
The Eternal was used in the Hak 360 series of mixers.
Video explaining more about faders - • Vestax Samurai Teardown + Mods
Paper about magnetic shielding and Eddy currents - http://g3rbj.co.uk/wp-content/uploads...
Giles' show on EHFM - https://www.ehfm.live/residents/night...