Tell us about yourself!
I cannot help in the control problem, but have a tip for the solenoid drivers: use a stepper driver stage. Like L298 based one. You will have bipolar drive, can use higher voltage, it is prepared for high frequencies. Will handle pwm, is regularly used to drive dc motors.
What printer did you use?
Where are the files?
Carlson's Super Probe
Mucem Inspired Monitor Stand
Super cool. Instant get.
R u sure?
Build Your Own Shop Vac Automatic Switch
Using a strip with built in usb charger to provide the power to nodemcu board is a brilliant idea. Really cool. I am ashamed I did not think on this.
Having both 8 and 12mm holes in the same block is a brilliant idea!
Dude, this is still a ring light, just too big to mount on the lens. You do shoot thru the hole in the middle.
Where did you get those tiny fittings and valves? I must make this immediately!
One note: never remove the rotor from the frame. It can demagnetize if pulled out. When you put it back again, it will be weak. Don't ask how I know.