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tube as a switch, double 60V 5A SS56 Schottky do rectifier.
-4A arbitrary adjustment; can be used for LED constant current drive, battery charging and other
constant current occasions, while limiting current with overcurrent protection, more secure ;
charge the battery when the additional anti-flooding diode.
adjust the output voltage of 18V, then the input voltage between 5.5-30V casually change, will be
constant output 18V; then for example, you enter 12V, adjust the potentiometer settings 0.5-30V
arbitrary output.
1 * Step Up/Down Module