: Connect to the positive terminal of your power supply. GND : Connect to the negative (ground) terminal.
| Module | Input Range | Output Current | Efficiency | Key Advantage | |--------|-------------|----------------|------------|----------------| | | 4.5-28V | 3A | 96% | Good balance of size and power | | LM2596 module | 4.5-40V | 3A | 85% | Higher input voltage | | MP1584 module | 4.5-28V | 3A | 94% | Smaller size, lower cost | | XL4005 module | 5-32V | 5A | 92% | Higher current | gyd-9e datasheet
Once, thousands of monitors were destined for landfills because their CCFL (fluorescent) bulbs flickered and died. Then came the . It was designed as a bridge between the old world of high-voltage tubes and the new era of energy-efficient LEDs. : Connect to the positive terminal of your power supply