PowerSpot Far Field Wireless Charger Will Charge Devices Up to 80 Feet Away
PowerTechnology

PowerSpot Far Field Wireless Charger Will Charge Devices Up to 80 Feet Away

Over the last few years, there has been an unprecedented growth in the consumer electronics industry. The smartphones, fitness trackers, Smart homes devices, wearables, earbuds, VR/AR, and much more have fostered this growth. The Smartphone proliferation has been a key factor in the...

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Sonicare toothbrush teardown: microcontroller, H bridge, and inductive charging
Motor

Sonicare toothbrush teardown: microcontroller, H bridge, and inductive charging

Ken Shirriff did a teardown of a Sonicare electric toothbrush: The photos below show the top and bottom of the toothbrush internals. I expected to find a simple, low-cost mechanism, so I was surprised at how much complexity there was inside. The vibration mechanism (right) is built...

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