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  • Quite nice shield for controlling loads

    posted by rickkonz on 08/31/2012

    Impression:;

    7
    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 monthPros:Easiest way to get 2 relays under arduino control, can replace other xbee sheields, but even if you dont need that, its still a good buy. Screw terminals for Vin are a good start. Jumpers to configure the xbee connection so that you can keep the hardware serial going to the host computer.Cons:While the relays are rated to 250v, there is no way I would do that with the board layout, the ground plane is contiguous around the relay and screw terminal pins so it doesn't have the required clearance to be safe.OtherThoughts:Not tried the Nrf or other wireless headers yetBottomline:For low voltage switching its a great shield. Mains voltage - no way.

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