I get in touch when I rework this project. It worked but not as good as I wanted it too.Yep, 1st version was spaghetti wiring and then discovered vero board would fit.
Its basically a mosfet and NE55 timer.
Diagrams came from the modmakers uk website.
View attachment 204047
First version.
View attachment 204048
https://www.ecigssa.co.za/pwm.t61778/#post-800670