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First, solder the 6-pin serial header. I am putting the headers onto the top (component) side of the board, which means it needs to be upside down for soldering. Using a bit of scrap wood underneath ensures that the work surface won't melt or get burned while soldering.

Even though we use thin flux-core soldering wire intended for electronics, it is still almost necessary to add additional flux to the bare pins and pads before applying hot solder. This makes the process much easier, though one can get by without the extra flux.

To continue, click on the right-pointing little blue arrow near the top left.
First, solder the 6-pin serial header. I am putting the headers onto the top (component) side of the board, which means it needs to be upside down for soldering. Using a bit of scrap wood underneath ensures that the work surface won't melt or get burned while soldering.Even though we use thin flux-core soldering wire intended for electronics, it is still almost necessary to add additional flux to the bare pins and pads before applying hot solder. This makes the process much easier, though one can get by without the extra flux.To continue, click on the right-pointing little blue arrow near the top left. (soldering_serial_header)
soldering_serial_header (2/22):
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