In the ancient times before triple or quad PCBs some people directly soldered or glued (CPF) LEDs to heatsinks. The latter would make alignment much easier.
Emitter PCBs are just for lazy people.
In the ancient times before triple or quad PCBs some people directly soldered or glued (CPF) LEDs to heatsinks. The latter would make alignment much easier.
Emitter PCBs are just for lazy people.