Quote Originally Posted by monteboy View Post
I'am a poor man
Don't have enough money for that

Prefer, to build it in may way and write also the Monitoring software.
Yeah it costs a bit, in may case i could get it for free due my work. But it would be could to have this device controling your LN2 flow with a valve or anything compatible with an LN2 dewar..

anyhow nevermind offtopic