A project log for Solder paste and flux dispenser

DIY for hobby use

VitalyVitaly 08/07/2019 at 03:550 Comments

For dispenser it's important to have soft control button. Because if you need to apply big force, needle may shift out of small pad. There 2 main parameters:

Human skin is "soft". To be convenient, button should have big height or big square. To be sure, buttons with low operational force, available at LCSC, were tested:

The most promising are:

EVQQ2B03W looks preferable - more compact.