5V 2 Channel Relay Module Low Level Triggered 2-Way 2CH Relay Module with Optocoupler Expansion for Arduino ARM PIC AVR DSP

5V 2 Channel Relay Module Low Level Triggered 2-Way 2CH Relay Module with Optocoupler Expansion for Arduino ARM PIC AVR DSP
sku: 4000292890457
$0.63
Shipping from: China
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