Hey Shafri,
Yes, that's the type I was talking about. Mine is similar to this minus the gauge.
http://media.supercheapauto.com.au/sca/images/129245.jpgMany thanks BTW for showing us the internals,
and I think you are right in that I can't change anything to get it to suck, oh well.
The mini-vacumn idea seem to be the way to go.
Also, I forgot to say thanks for the great effort you put into the design of your desolderer.
You achieved a working unit with electronics and that's what this site is about. Great job!
i think what u need is a more powerful or faster motor. no mcu is needed. there is nothing u can do "electronically" inside the compressor, its all just some mechanical stuffs there. reversing the motor will not do any different, its just the same happening when in forward, ie pumping. if... you talking about: