Roughly 70mm x 20mm (varies slightly by manufacturer).
Probe the remaining low-voltage power supply stages using a multimeter. Identify a stable 12V or 24V rail ( VINcap V sub cap I cap N end-sub gyd-9e datasheet
A: Not recommended. Slight voltage differences cause current hogging. Use a single 5A-rated module instead. Roughly 70mm x 20mm (varies slightly by manufacturer)
The fundamental backbone of the GYD-9E board is the . Unlike a standard step-down converter, the GYD-9E operates as a current-regulated boost configuration to ensure consistent LED brightness across fluctuating source voltages. gyd-9e datasheet