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DC Buck Step Down Module LM2596 DC/DC 4.0~40V to 1.25-37V Adjustable Voltage Regulator With LED Voltmeter(LM2596 Display Module)

500.00 399.00
1.Input voltage range:40VDC 2.Output voltage range:1.25-37VDC adjustable 3.Output current:2A 4.voltmeter range: 0 to 40V, error ±0.1V 5.Input reverse polarity protection

DC-DC LM2596 STEP-DOWN ADJUSTABLE POWER SUPPLY MODULE CC-CV LED (3 Veriable Module)

400.00 299.00
Features: 1.Fixed turn the lamp current to 0.1 times the value of the constant current (charge when used to identify