1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino for Raspberry Pi for Orange Pi

1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino for Raspberry Pi for Orange Pi
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sku: 1005003092447066
$1.89
Shipping from: China
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