Eventually after many projects and impulse Ebay buys I have collected quite a few of the Arduino Uno micro controllers. I would like to think more = better. To be honest today was the first time I actually connected more then one to a power supply. Now that I know how easy it is to wire up and the extra applications you gain I will make better use of it. During my projects as of today I have never incorporated more then one, maybe one day. So if you would like a lesson on how to connect these bad boys, then keep scrolling. As always show some love and subscribe.
WHY WOULD YOU WANT TO RUN MULTIPLE ARDUINO'S AT ONCE?
Doing this allows you to communicate between two Arduino's and run different programs that can or will cooperate with each other. Other ideas could include wireless communicate between the two or three or ten devices. Pretty much the sky is the limit.
Step 1: Gather the materials
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| An Arduino or 2 or 3 |
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| Jumper Wires |
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| Breadboard |
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| PSU |
STEP 2: Assembly
Prepare your workstation by placing the breadboard and Arduinos closeby. Depending on the size of your jumper wires will determine how close.
First things First
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| Jumper from ground to ground |
You will need to power this devices. In order to provide power I have used my psu that I build. I covered this project in a previous blog if you would like to build your own.
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| Jumper from positive rail to VIN on Arduino |
So I connected 5V to the breadboard by running a positive wire to the positive rail (red) and the ground to the ground rail (blue) on the breadboard.
The amazing thing I really love about using the breadbread is how with one easy connection you now have a whole rail you can draw power from. Makes things alot less messy.
STEP 3: ADD MORE
Now you are able to repeat the process and add away. I connected three Arduino Uno's with no issue at all. Very simple to repeat. As well you could try this method as well if you wish to exclude the breadboard.
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