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A desoldering gun is really useful for this. Not the kind with the manual suction bulb, but something like the hakko desoldering gun. My concern with the butane torch is that it can get extremely hot, so controlling the distance would be critical.
Nice post. Making PCBs should be mandatory for every electrical engineering student. Besides being fun and educational, every step of this process carries over into advanced chip manufacturing process.
Tools and Supplies
Raspberry Pi Class