There are two momentary buttons in your
kit. Place them in their mounting positions
beside the text ‘
mode
’ and ‘
set
’ on the
PCB.
Buttons placement and soldering
Solder the 4 legs. Repeat for the other button
Place the DC barrel jack as in the photos below left. Hold it in place with a piece of tape, and solder one of the
three legs.
Make sure it is perfectly flat against the PCB, it will bottom-out on the thicker part of the legs, leaving a small
gap. Adjust it to be perfectly level, and then solder the other 2 pins.
Placing and soldering the DC jack