ESP Power Supply Module with Multiple Output Voltages 1.25V 1.5V 1.8V 2.5V 3.3V 5V output Power Supply Electronic Hobby Kit

General LED constant current board modification instructions 1. Connect the power, ground, and switch signals required by the boost board to the universal LED boost board, VCC supply, ON switch signal, ADJ brightness control, GND ground. Tip: The same connection method as the LCD high-pressure plate. 2.Use a multimeter to measure how many lines are connected for the LED light bar power supply, which are the lines required. How many negative lines, which are the respective one. No matter how many lines, only the positive and negative points. People who understand the technology should not have to measure it, see the light bar can understand the definition.