Dollar tree VS Poundland LED lamp and hack.

After seeing Adrian Black explore a dollar store lamp on his channel it made me realise that I've not taken a look at the most recent Poundland lamps.
That has now been rectified and the results were very interesting. The highest power version of the lamp is similar to the one Adrian took apart, but optimised for our higher voltage.
These are the first 36V 12 chip LEDs I've seen. If you look at the lower power modified lamp at the end of the video you may see that one LED was visibly dimmer. I probed it with a meter and found that it was an 18V six chip LED to fine tune the voltage.
These lamps use a power supply that acts like an electronic resistor, so it's most efficient to get the combined LED voltage as close to the mains voltage as possible with a small margin for regulation.

Here's Adrian's video:-
https://www.youtube.com/watch?v=NbFmecSdycw

Very interesting and completely hackable lamp with the intriguing feature of pre-heating its own PCB for easier component modifications. With a higher value sense resistor the current will be lower and the heat of the LEDs will be reduced to the point that the lamp could potentially last for a very long time.

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Видео Dollar tree VS Poundland LED lamp and hack. канала bigclivedotcom