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bigclive

bigclive

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bigclive posts

LED quickie

Another Temu product with strangely overzealous cost cutting.  Nice case though.  It could make a useful USB plug for other projects.

Temy have approached me with the offer of pre-l...

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Weekend stream link

Here's a link to the weekend stream:-

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

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Exploring a set of very dead solar lights

I get the feeling that these lights have had an apocalyptic overvoltage incident, since every single one of the bulbs is dead with dark blotches visible under the phosphor gel.  They are 3V la...

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Quiet live stream link

https://www.youtube.com/watch?v=FrIi7Gk_QcU

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Bench light repair part 2

This is the second part of what would have been a very long video.

In this one I de-pot the potted power supply and reverse engineer it, before testing the capacitors for value and internal r...

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Bench light repair part 1

The first part of a video where I swap the driver in one of my bench lights for one scavenged from another light.

In part two I de-pot and reverse engineer the driver to see what went wrong....

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Custom bulb generator 2023

While this video is about 3D printed objects, you may still enjoy it as that final inspiration that encourages you to get yourself a cheap 3D printer to play with.  

The video includes t...

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Random ambient LED video

To be fair, I make quite a lot of random ambient LED videos, but having been "under the weather" last week, I just kinda wanted to make a relaxed one.

The first part is fairly serious, but th...

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Vintage digital display teardown

It may seem sacrilege to take a vintage display like this apart, but if I take mine apart it means you don't have to take yours apart.

It did go back together again afterwards.  In a way...

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Weekend stream link

Here's the link to the weekend stream:-

https://www.youtube.com/watch?v=hSPcUf8Zt4g

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Quiet Patreon stream link

https://www.youtube.com/watch?v=bm3TdShVniU

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You'll like this one

A 5A current limited test on the crappy copper coated steel cable that came with one of the death-dalek camping lights.

Although current regulated to 5A it ended up less at the end due to the...

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Weekend stream link

Here's the link to the weekend stream:-

https://www.youtube.com/watch?v=dTQwjph7y6k

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Patreon stream link

Here's the link to the quiet Patreon stream.

Hopefully you're all getting the links to recent videos, as Patreon has changed stuff again.


2023-10-05 06:17:13 +0000 UTC View Post

Philips street light surge protector

Another posh surge unit to rival the MeanWell unit.  But this one was MUCH easier to open.

It also has a better and simpler failure indicator with just a single low current LED that ever...

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Another fake engine tuner - but with a neat circuit

There are a huge number of these units available from many sources.  This one is reassuringly fake, but with a nice twist in that it uses an op-amp as the oscillator used to flash the "data" L...

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5000W solar light (may not actually be 5000W)

Another fine example of eBay ratings embellishment to try and compete in a market flooded with many of these little lights.

On a plus note the design is not too bad, and any issues are easy t...

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Death Dalek lights still on eBay and getting worse?

The corner cutting on these deathtrap products is impressive.  I'm guessing it's a cost optimised version of a real product that has had very single corner cut with total disregard for safety....

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Inside an ink cartridge

I wasn't expecting this cartridge to be so complex.  I expected an ink reservoir section and an air intake port, but I guess the real complexity is ensuring that the ink does not come out the ...

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Sucking ink out of cartridges

It just seemed like a good idea to get some random Epson cartridges and then suck the ink out of them with a syringe to see how much was in them.

Then I discovered that some sites already lis...

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Weekend stream link

Here's the link to the weekend stream:-

https://www.youtube.com/watch?v=RTiOc23Flec

It turns out the ...

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Let's try again - horizontally!

https://www.youtube.com/watch?v=_vorbZB3GQg

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Quiet Patreon stream link

https://www.youtube.com/watch?v=vuuLUsqYme0

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Rechargeable restaurant light

This is actually a very good set of components for a custom light.  In its original form it has a major flaw in its over-sensitive touch sensor.

These seem to be sold for use on tables i...

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Something different - a motor overload relay

I've never taken one of these to bits before.  It was reassuringly close to what I was expecting.

I'll confess.  The first time I installed one of these (on a large fan in a compres...

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Temu Halloween LED-neon ornaments

Two different ornaments with different styles of construction.

One with traditional linear strip, and one with a clamshell housing and LED tape for a simple double sided sign.

2023-09-25 04:07:37 +0000 UTC View Post

Temu sell radioactive things too!

I just had to add one of these to my recent order to test it with my Geiger counter.

It didn't disappoint, although the eBay 5G phone protection stickers are worse.


2023-09-23 22:54:42 +0000 UTC View Post

Weekend stream link

Here's the link to the weekend stream:-

https://www.youtube.com/watch?v=tlYomGLEf48

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Intriguing Temu light

I like this a lot.  It's a very stylish rechargeable LED camping light that has a retro filament glove feel to it.

As supplied it has lacklustre cell capacity, but that's an easy fix. View Post

Patreon stream link

Here's the link for the Patreon stream:-

https://www.youtube.com/watch?v=HAULUTrRWF8

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