Summary

https://www.youtube.com/watch?v=gjfj8Xdo3lk&list=UUpOlOeQjj7EsVnDh3zuCgsA
Traveling or on the road, sometimes finding an open network to get online and finish a job is more important than lunch or a nap. MASLOW (Mini Adafruit System Locates Open Wireless) is a tiny battery-powered WiFi detector with a Pro Trinket, 3D-printed enclosure…assemble one yourself and clip it to your laptop bag. The lithium-polymer battery charges over USB.

Read the full guide:
https://learn.adafruit.com/wifi-hotspot-finder-adafruit-pro-trinket-cc3000
Edit 3D files:
http://www.123dapp.com/project/Wifi%20Finder/2999483