Teardown of a simple LED night light.
bigclivedotcom 8:05
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The disassembly of a cheap LED night light bought from a UK seller that appeared to specialise in pound-shop type stuff. It was available in red, yellow, green or blue which hinted at its use of a standard LED as a lightsource, although it does have the appearance of a typical electroluminescent night light (until lit).
The power supply is a text-book capacitive dropper, although the choice of some of the components is dubious, especially the 250V rated dropper capacitor and it's close to the bone 270K discharge resistor.
The switch on the side is fairly pointless, but may allude to a previous version with an optional light sensor mode.
My apologies for the random colour correction applied by the iPad I used to record this video. It doesn't appear to have any control over it's colour temperature settings to disable automatic white balance.
The power supply is a text-book capacitive dropper, although the choice of some of the components is dubious, especially the 250V rated dropper capacitor and it's close to the bone 270K discharge resistor.
The switch on the side is fairly pointless, but may allude to a previous version with an optional light sensor mode.
My apologies for the random colour correction applied by the iPad I used to record this video. It doesn't appear to have any control over it's colour temperature settings to disable automatic white balance.
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