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I think I featured this in a video before, but only released it on Patreon.

Here's the full version for general viewing.

It's one of the most minimalist LED lamps I've ever seen.

https://www.youtube.com/watch?v=WhcOlbLlNCg

Files

Minimalist LED bulb/lamp (with schematic)

This is a very simple LED lamp designed for decorative, sign and festoon use. It has one of the lowest component counts I've seen, and uses the higher voltage multi-chip LEDs to allow a very basic resistive current limiter. Each of the four LEDs has six LED chips in it to give the equivalent of a 24 LED string. If they'd used the 12 chip version of the LEDs it would have increased the efficiency, and a very low value capacitor could have been used to remove the slight 100/120Hz flicker. The low power and minimalist circuitry means that these lamps should be extremely reliable. Although designed for 220-240V use, the lamps should work on 100V upwards at lower intensity. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://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

Anonymous

Would adding LEDs move the same amount of power from heat to light? Is there any way of making this type of circuit consume less power?

Anonymous

Is there no Saturday live stream tonight Clive ?

bigclive

It could be fitted with more LEDs or the versions with a higher number of internal chips.