3A 4.5-28 V to 0.8-20 V Adjustable step-down converter mini DC-DC Step down Power module replace LM2596 for Arduino

3A 4.5-28 V to 0.8-20 V Adjustable step-down converter mini DC-DC Step down Power module replace LM2596 for Arduino
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sku: 33004125616
$0.55
Shipping from: China
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