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Have you ever wondered how many wireless APs are around your house or your working environment? In this Instructable, I'll show you a very simple way to discover all the APs surrounding your environment.

Step 1: Equipment Needed

First thing first. We'll need a small gadget that can scan the air and output to your computer screen. The equipment I use is a programmable platform which I got from eBay (you can search for "Ameba Arduino" in eBay). I got this gadget simply because this Arduino compatible platform has wifi built-in so I don't need to purcvhase extra wifi shield for it. The detail setup steps can be found at http://www.amebaiot.com/en/ameba-arduino-getting-started/

Step 2: The Code

I have attached the sketch, ScanNetworks.zip, in this Instructable. You can compile and run it to see the result.

Step 3: The Result

The captured picture is the output from the sketch. There are some APs without SSID which means those APs are configured with hidden SSID. This is my first Instruables and I hope you enjoy it. Your comments and feedback are welcomed.

<p>Just by looking at some of the AP names can be enojyable at times.</p>
<p>Interesting. I always wondered how many networks there are around.</p>

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