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

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https://www.electronics-lab.com/powerspot-far-field-wireless-charger-will-charge-devices-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 global consumer electronics market size, smartphones have become way better, faster and […]

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

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https://www.electronics-lab.com/sonicare-toothbrush-teardown-microcontroller-h-bridge-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 from multiple metal and plastic parts screwed together, requiring […]