A look inside a cheap ebay smoke detector.

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Part of me was expecting that these smoke detectors might have been fake or just very low quality. But as will be revealed in the video, they are actually quite sophisticated units.
Here's a link to Julian Ilets video of another type.
http://www.youtube.com/watch?v=rQy3qfV6Qz8
And the datasheet (on Farnell's website) of the chip that the one in this unit appears to be a clone of.
http://www.farnell.com/datasheets/234450.pdf

Видео A look inside a cheap ebay smoke detector. канала bigclivedotcom