EEVblog #284 - Braun Toothbrush Teardown

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Teardown Tuesday.
What's inside a Braun electric rechargeable toothbrush?
And some basic measurements on wireless power transfer and charging.
Chips Used:
EM6682: http://www.emmicroelectronic.com/webfiles/product/mcu/ds/EM6682_DS.pdf
TSM7401: http://www.goodexcel.com/new/download/SPEC2008_RoHS/BATTERY_PROTECT/TSM7401(SOP-8).pdf
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