4-Channel Relay Driver Shield

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Plugs straight into your Arduino-compatible board Individual LED status display on every output channel LED status display for external power Drive relay coils of 5Vdc to 24Vdc (wi th external power supply) The 4-Channel Relay Driver Shield allows you to easily drive up to 4 relays using logic-level outputs from your Arduino or other microcontroller. Isolates your microcontroller from the relay coils using FETs, includes back-EMF protection, and works with a wide range of relays. Perfect for home automation projects. Show more