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|Features||Capable of controlling 2 relays, with XBBee/BTBee, CC1101 and nRF24L01 wireless interface|
|Application||Used to control the lighting, electrical and other equipments; easy to expand with the Arduino board or other MCU board PIC, ARM and MSP430.|
|Packing List||1 x 2 channel relay shield module|
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|Quantity||3+ units||5+ units||10+ units|
|Rate||USD$ 10.58 shipped||USD$ 10.48 shipped||USD$ 10.38 shipped|
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100% of customers would recommend this product to a friend (1 out of 1)
Involvement Level: Expert (understands the inner workings)
Pros: 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.
Other: For low voltage switching its a great shield. Mains voltage - no way.