H/L

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12V 4-Channel Relay Module with Optocoupler H/L Level Triger for Arduino 12V 4-Channel Relay Module with Optocoupler H/L Level Triger for Arduino Description  Module description 1. Maximum load on normally open pin: AC 250V/10A, DC 30V/10A. 2. Trigger current 5mA; 3. Module can be set high level or low level trigger by jumper wire; 4. Power indicator light (... $7.96 SKU: 3397
$7.96


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