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RASPBERRY PI, LED, DHT22

Discussion in 'Microcontrollers, Programming and IoT' started by mpmackenna, Nov 2, 2013.

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  1. mpmackenna

    mpmackenna

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    Nov 2, 2013
    I am attempting to use a SSR in conjunction with my Raspberry Pi to turn a strip of LEDs on and off. I also want to be able to take temperature and humidity readings from a DHT22 with the same Raspberry Pi.
    I created this diagram based on how I think it should be wired. This is my first try at any type of electronics so I wanted to get some insight before I connect up anything. Does this wiring look correct? I am mostly concerned about the SSR part. I have a SainSmart 2 Channel 5V Solid State Relay Module Board. Can I use the 5V power from the Raspberry Pi to switch the relay? The LED strip I have is powered by three double A batteries and already has a resistor in it. Can I just cut the + wire and hook it up to the other side of the SSR?
    Here is a hi-res image of my diagram. It was too big to attach.
    https://drive.google.com/file/d/0BzpMiMAgkVG5TnBaRTdZWi05WTg/edit?usp=sharing
     

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