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Charging your phone, watch, earbuds, etc. from a wireless charger sometimes doesn't work. Most of the time it is due to poor alignment to the charge point. Of course, it could be that the wireless charger is broken or simply unplugged.
This quick DIY tool helps verify that the charger is plugged in as well as determine the wireless charger's "sweet spot".
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The build is about as cheap and simple is it can be. If you have trouble building the rig from the image below you may be following the wrong project site. ;)
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