LM317 Adjustable Regulated Voltage Module 110V 220V to 1.25V-12.5V Step-down Power Supply Adapter PCB Board DIY Electronic kits

LM317 Adjustable Regulated Voltage Module 110V 220V to 1.25V-12.5V Step-down Power Supply Adapter PCB Board DIY Electronic kits
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sku: 1005004013962912
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$4.54
Shipping from: China
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