5 V Relaismodule 1-2-4-8 Kanal Relais High Low Level Optokoppler Arduino - UK

5V Optocoupler Relay Modules. – SMD optocoupler isolation. Arduino Starter Kits. Arduino, Raspberry Pi Sensors. Arduino Shields. Relay Modules. – Fault-tolerant design. NO1 – NO8: Normally open relay interface.

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