4 Channel Relay Module 4-channel Relay Control Board with Optocoupler Relay Output 4 way Relay Module for Arduino MCU Control

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30pcs 4 channel relay module 4-channel relay control board with optocoupler. Relay Output 4 way relay module for arduino

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Product specifications

Brand Name: diymore
Origin: CN(Origin)
Condition: New
Type: Voltage Regulator
Application: Computer
Package: TQFP
is_customized: Yes

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