How to easy unsolder and recover old electronic components Do not exceed with temperature because it's the first cause of damage for electronic device. Please make all the work outside, in open place: new electronic board are very hard to burn but old one burn very soon and that smoke is not very good for your health. From the day I've started using this system, I have a lot of electronics components (sometime I have to throw away some components to have free place for the new HI!).