We’ll always need WiFi detecting gadgets these days. Such as you could wear a WiFi detecting baseball cap or a T-shirt, that allows you to show the WiFi signal strengths on your forehead or chest. And now you can have a more prominent way to tell others what the WiFi signal strengths around the area by using your car. The idea is to use WiFi detecting bumper sticker, which you could stick it either inside your car or have it facing outwards at the back of your car to share with others what the WiFi signal strengths are.
The idea comes from Instructable, which is actually you need the WiFi detecting T-shirt, some double-sided tapes and 12V to 5V USB car adapters. Stick the T-shirt at the back windshield of your car and have it facing outwards, so you could have the WiFi signal strengths around the area that you’re driving through.
via ubergizmo
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