Adjustable regulator module with LED display.
2A or less can be loaded, AC or DC voltage input.
The output voltage is 1.25V-28V DC continuously adjustable, versatile for DC board.
Using double adjustment potentiometer to ensure good contact, effectively protect the load.
The minimum differential between input and output is 3V
AC/DC LM317 Step-down Voltage Regulator Power Supply Module LED Voltmeter