If you’ve ever tried to solder to aluminum, you know it isn’t easy without some kind of special technique. [SimpleTronic] recently showed a method that chemically plates copper onto aluminum and ...

Soldering uses alloys that melt below 840°F to join metals. Molten solder fills the space between surfaces to be joined, adheres to the surfaces, and solidifies. Typical soldering steps include: ...

Here’s a nice video from Steve Dahl of Digikey showing how you can use a heat gun to solder high-brightness LEDs to an aluminum substrate heat sink. In the demo he uses a Steinel programmable heat gun ...