Erica Synths EDU DIY Wavefolder Eurorack Module Kit - Manual (Page 49)

In order to save space on the PCB, some of our projects, including the Wavefolder,
have vertically placed resistors. The next step is to place & solder those. All
components on the PCB have both their value and denomination printed onto the
silkscreen. If you are not sure about a resistor’s value, use a multimeter to
double-check. Bend a resistor’s legs so that its body is aligned with both legs and
insert it in its designated spot. Then solder the longer lead from the top side of the PCB
to secure it in place, turn the PCB around and solder the other lead from the bottom.
You can insert several resistors at once. Once done with soldering, use pliers to cut off
excess leads.
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Once you are done with soldering all
resistors, your PCB should look like this: