Yes with only three ground pins and two 5V pins wiring up lots of sensors and external components can get messy in a hurry. It's not a problem if you are building your stuff onto a solderless breadboard, but that is not a good long term solution for many projects. The clever Asians have had a nice solution for some time now and I bought one a couple of years ago and use it often to wire up stuff quickly for a proof of concept test or whatever.http://www.ebay.com/itm/Sensor-Shield-V4-Digital-Analog-Module-Servo-Motor-For-Arduino-UNO-Duemilanove-/130693385943?pt=LH_DefaultDomain_0&hash=item1e6deeced7Lefty
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