5PCS 2 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduinocraft Arduino

5PCS 2 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduinocraft Arduino
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sku: 1005003615695796
$6.99
Shipping from: China
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