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eBay night light 2024 revisit (Patreon)

Published:
2024-03-17 19:12:27
Imported:
2024-03

Content

Now with even less components.   Kinda interesting how the design has evolved.  The cover comes off far too easily - if you have one in a kids room it might be worth adding a dab of suitable glue.

The dusk sensor will probably increase LED lifespan, but is mostly a gimmick.

https://youtu.be/q3HxDN0RbiE

Files

eBay LED night light 2024 - with schematic

How minimalist can they get? There are even less components now than in previous versions. The ultimate low is to get rid of the light sensor completely. Which might not be a bad thing, given the way it works. The main issue with this light is the ease with which the cover comes off. Especially given how alluring lights like this are to kids. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- https://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's algorithm quirks, allowing it to be a bit more dangerous and naughty. #ElectronicsCreators

Comments

NN Thomas

Could a toilet night light be adapted to do the same function as this?

Charles

I have a couple of nightlights with a similar physical design (well, they're round instead of leaf shaped), with the light sensor on a stalk inside a thick cylindrical protrusion from the lid to stop it reacting to its own light. But it uses a phototransistor instead of an LDR - the listing I bought from was loud about how it was RoHS compliant - I guess cadmium sulfide LDRs are banned by the European RoHS act in addition to lead solder? I don't know if that was from the start of the RoHS, or whether it's been added in since. The thing I don't like about them is that while it's not a binary on/off - it's supposed to adjust with light level - it does the opposite of what it should. At dusk, it turns on dimly, and as it gets darker, the nightlight gets brighter. I've been playing with the design (well, when I get back to it...) trying to see if I can make it do the opposite with just the one phototransistor while still fitting onto the same board...