The Relay Shield utilizes four high quality relays and provides NO/NC interfaces that control the load of high current. Which means it could be a nice solution for controlling devices that couldnt be directly controlled by Arduinos Digital I/Os. Standardized shield form factor enables smoothly connection with the Arduino. The shield also has four dynamic indicators show the on/off state of each relay.
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Features
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Arduino/Seeeduino, Arduino Mega, and Seeeduino Mega compatible
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4 mechanical relays with photo-coupled circuit
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Equipped with screw holes for easy installation
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Light weight
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Small form factor
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Native Arduino/Seeeduino compatibility
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Extendible
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