1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY
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Scope of business:
integrated IC brands, optoelectronic coupler, ditriode, capacitance resistance, crystal vibration, plug-in switch,digital to analog circuit, single chip microcomputer, photoelectric coupling, storage, three-terminal voltage regulator, SCR, field effect, schottky, relays, light tube, connectors, and other one-stop supporting services!
Origin : Mainland China
Condition : New
Type : relay module