Electronic kit Circuit Board DIY Kit LM317 ac dc Adjustable Regulated Voltage Step-down Power Supply Suite Module ► Photo 1/1

Electronic kit Circuit Board DIY Kit LM317 ac dc Adjustable Regulated Voltage Step-down Power Supply Suite Module

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1.18 $
5   reviews
Rating: 4

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Customer Reviews

Anonymous
September 7, 2020

Thank you very much. All as described, satisfied of this transaction.

Z***k
March 15, 2019

At The AC input the polarisation is revers ;/ but U have to just revers output plug;)

Anonymous