Buck LM2596 Step-down Power Convert Module DC 4.0~40 to 1.3-37V Voltmeter

Specification: Output voltage calibration steps: Input voltage calibration steps Note: If the module can not be adjusted, that is, the output voltage is always equal to the
input voltage rotate counterclockwise the potentiometer 10 turns or more, then try to
adjust the output voltage. The factory default output voltage is 20V.


Glenn Lyons VK4PK
Ver:gnl20180607 - pre published v0.9