Controlling more actuators

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hello everybody,
i'm new in arduino programming , i'm having problems in automated greenhouse.

i'm trying control environment through sensors , actuators goes wrong.
the question is: how can make arduino uno control 2 sensors (temp/hum , luminosity) , 3 actuators (water pump, leds , ventilation fan)? have use relays?

please me think have do.

i have 1 week!

thanks

quote from: rubinia on may 07, 2012, 01:11 pm

i have 1 week!


why? plants dead? better hire water them.


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