10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino

10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino
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sku: 1005002581052782
$8.12
Shipping from: China
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