Applying solder paste to a new custom PCB is always a little nerve-racking. One slip of the hand, and you have a smeared mess to clean up. To make this task a little easier, [Max Scheffler] built ...

3D printed solder stencil on PCB, after applying solder paste. [Jan] says that the printed stencil had a few defects but it otherwise worked fine for 0.5 mm pitch ICs and 0402 resistors ...

Apply solder above wires so the solder is fed to ... Finish up by cleaning off excess dielectric paste.

Reflow soldering involves melting a paste of solder and flux to form a permanent bond between electronic components and printed circuit boards. A typical reflow solder process is carried out as ...