#1 16315342 01 Mar 2017 15:18 eryk.tomaszewski eryk.tomaszewski Level 8 » | Post #1 16315342 01 Mar 2017 15:18 As in the subject. I will add a photo and describe what's going on. In the picture there are two points marked in red and blue. Red: melted tin here. Blue: the tip of the tip does not want to melt the tin. Because of this I can't solder LED
#2 16315353 01 Mar 2017 15:28 kosimierz kosimierz Level 17 » | Helpful post? (+4) Post #2 16315353 01 Mar 2017 15:28 https://pl.wikipedia.org/wiki/Pasywacja
#3 16358093 20 Mar 2017 08:23 eryk.tomaszewski eryk.tomaszewski Level 8 » | Topic author Helpful post? (0) Post #3 16358093 20 Mar 2017 08:23 Chinese soldering iron and tin, too.