ITEM NAME:LED display LM317 Adjustable Voltage Regulator Step-down module AC/DC 2A ME Description: New arrival, promotion!!! Input: DC:0-30v AC:0-20V Output: DC 1.25-30V Output current : 2A(Max) Size: 66mmx45mm Pls notice : 1.this module is Step-down, so the input must be 3v more than the output 2.Becuse the voltage of the display is 3v, the display only work when output higher than 3v Package includes: 1 x LM317 Voltage Regulator Module.Output current : 2A(Max). this module is Step-down, so the input must be 3v more than the output. Input: DC:0-30v AC:0-20V. Output: DC 1.25-30V.
