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Step 4Update #2: Relay Boxes
The most important upgrade I think I made was to build real relay boxes to control my power to the light and the water pump. With water so close to the electricity I figured a safer approach was needed than the one used in the original Garduino instructable. Fortunately the author pointed out a great resource at SparkFun that I used to do the project.
Finding the whole thing incredibly useful I wrote up another instructable on how I built my relay boxes and made it more generic for other projects where you might want an arduino to control power. Check out the Arduino Controlled Relay Box Instructable when you get a chance.
At this point I decided to add on an arduino protoboard to my project so that I could have access to more power lines without having to solder together a new breadboard. You may choose to do something different, but this made things significantly easier, especially if I decide to do more modification later.
If you don't do anything else with your Garduino definitely do this upgrade. It's definitely the most important.
Finding the whole thing incredibly useful I wrote up another instructable on how I built my relay boxes and made it more generic for other projects where you might want an arduino to control power. Check out the Arduino Controlled Relay Box Instructable when you get a chance.
At this point I decided to add on an arduino protoboard to my project so that I could have access to more power lines without having to solder together a new breadboard. You may choose to do something different, but this made things significantly easier, especially if I decide to do more modification later.
If you don't do anything else with your Garduino definitely do this upgrade. It's definitely the most important.
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