The LED strips are typically 3 LEDs in series with a current limit resistor designed to run from 12V - a long strip will have many 3-LED segments in parallel, with each segment needing ~ 20mA. Plan accordingly.
The LED strips are typically 3 LEDs in series with a current limit resistor designed to run from 12V - a long strip will have many 3-LED segments in parallel, with each segment needing ~ 20mA. Plan accordingly.