A Hack a Day reader needed a tool to solder a lot of SMD parts, so he built a DIY heat gun, and we're impressed with the results. After trawling the internet looking for ideas for his heat gun, [MRGATZ85] found that most builds used the ceramic element from cheap soldering irons. Experiments in this direction didn't go very well because the ceramic element in these irons tends to fall apart … [Read more...]