Adressable RGB connected to GPIO pins on RPI4 - Raspberry Pi Forums
ABI 24V 120W Power Supply Driver TRIAC Dimmable Transformer for LED Flexible Strip Light (Works with Standard Wall Dimmers) - - Amazon.com
Transformer 230 V to 12 V DC LED Driver Power Supply, Auting 15 W LED Transformers, No LED Flicker, for G4, GU5.3, MR16, MR11, LED Strips Bulbs, Pack of 1 : Amazon.de: DIY & Tools
What percent by weight of a power transformer is made of steel? - Quora