Wednesday, June 02, 2010

Converting 220V Hot glue gun to 12V

The heating element : Nicrome wire pressed to the contact slab (solder will melt ! ), the heating resistor 3.6K @220V, which generate rather constant temperature, and the insulating wrap.

These will be replaced by a 2-5W 8 Ohm resistor powered by 2-3s lipo.