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Breaded Electronics / Embedded » Home made pick place SMT machine OLD pages » Vacuum notes
Purchased a few air valves off ebay but they require pressure to operate.. and dont work with a vacuum.
So.. a bunch of solid state relays and some fish tank air pumps which I modified to run in reverse, ie suck instead push..
HAILEA ACO-9903: specs at 4lph and we are using 1 of 2 channels so 2lph..
Easily modified but not always sucessful..
Also, 1 solid state relay wont turn off the pump fully (Inductive laod?) but 2 in series does.. a bit crude but a solution for now..