3 July 2018

I’m not a big fan of WiFi, but I do use it from time to time.

It’s just convenient to use for some gizmos where an ethernet dongle is not supported.

Trouble is, I kept forgetting to turn off my WiFi router when I was done.

And then – two days later – I would discover I was still bombarding myself with magic 5 GHz death rays.

Not any more!!

For a few bucks, you can easily make a little “evil WiFi indicator lamp” that reminds you to turn it off when you’re done.

And the light doesn’t even have to be near your WiFi router.

You can do the same with any gizmo that has a USB port on it – which is pretty much everything these days: routers, puters, tablets, washing machines, fridges, blenders, and so on…

One final note: If you do actually use the USB port on your router for say, a network printer, you can still use this light.

You’ll just need an unpowered USB hub, like this guy: AmazonBasics 4-Port USB 2.0 Ultra-Mini Hub

Plug the hub into the router, plug the printer and light into the hub, and you’re done. If you use a powered USB hub, the light will stay on even when the router is turned off.

Stuff I used from Amazon.fr:

Equivalents on Amazon.com:

Rock on!

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Left the WiFi on again? Not any more!
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One thought on “Left the WiFi on again? Not any more!

  • 27 November 2018 at 16:06

    There is a wireless radiation detector with an alarm with a programmable triggering level and constant power option via USB. This allows you to be notified 24/7/365 when any wireless source starts broadcasting which these days can come from surprising sources.


    This solution is expensive but for someone with more money than technical knowledge it can be the way to go.


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