16 Channel 3.3V~24V NPN to PNP PNP to NPN Optocoupler Isolation Module Board Drive Small Relay Solenoid Valve

16 Channel 3.3V~24V NPN to PNP PNP to NPN Optocoupler Isolation Module Board Drive Small Relay Solenoid Valve
sku: 4000167680552
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$19.80
Shipping from: China
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