bigclive

MBC live stream link

Here's a link to the upcoming live stream within 24 hours of posting this link:-

https://www.youtube.com/watch?v=HcBCO0Z56fs

Looking closer at 72V LEDs

A revisit to the LED signage modules to work out how they made such high voltage LEDs in such a small package.

https://www.youtube.com/watch?v=7AwQayxjMwE

By getting some blue modules I was able to see...

Google lens in recent Chrome update

For those of you who use Chrome.  If you would like your "Search Google for this image" back, copy and paste this into the URL/address bar and change the "Search your screen with Google lens" to disabled.

chrome://flags/#enable-lens-region-search

Weekend stream link

Here's the link to the weekend stream:-

https://www.youtube.com/watch?v=KUvwx5iuzZg

Quiet mid-week Patreon stream link

https://www.youtube.com/watch?v=XTG01QHidXE

Ultra-fast print battery connectors

There are lots of designs on Thingiverse for making connectors for various power tool batteries.  But I reckon these ones for Ryobi and Parkside print the fastest.  There's no latch, but they should be a good snug fit.

2022-02-24 06:43:50 +0000 UTC View Post

Only for the cat people - kitty power slams

Ralfy's new kittens getting busy:-

https://www.youtube.com/watch?v=gjGPT5hGnck

Waterproof LED tape coating degradation

This is an interesting failure.  It was the LED strip I used above the computer area for ambient illumination.  It very slowly turned from warm white to dull orange over three years of use.

https://www...

Inside a mains voltage sign LED module

I didn't even know they made 120 and 240V versions of these, but when I found out I ordered some to see how they power the LEDs.

https://www.youtube.com/watch?v=qH1E2lwxUwM

It's actually pretty neat. 2022-02-19 06:20:07 +0000 UTC View Post

Another lamp another branding

This almost feels like the usual script.  There's one company banging these lamps out with a wide range of brands printed on them.

https://www.youtube.com/watch?v=wsOf3gDl15w

Slightly harder to do...

UVC lamp that can zap you

This lamp has one of the most unfriendly power supplies ever.  When unplugged it can hold a charge of over 300V across the base for a long time.

https://www.youtube.com/watch?v=IZS2AeYB_WI

Weekend stream link

Here's a link to the weekend stream:-

https://www.youtube.com/watch?v=1C2urgfQs_8

Short notice extra Patreon stream

A short notice extra stream starting a bit later than normal so I can grab a bite to eat first.

https://www.youtube.com/watch?v=rP-R3mSF1-A

This will probably be a shorter stream than normal.

PCB based "Soviet" neon fairy lights

This project was actually quite pleasant to build.

https://www.youtube.com/watch?v=qk0iH39mJ1U

The result is a very soft and pleasant glowing string of neon lights with fairly good internal electrical ...

It's the gift that keeps on giving

It turns out that of three 12/24V lithium chargers, only one resembles the real thing inside.

https://www.youtube.com/watch?v=g4JtzzFMf50

Weekend stream link

Here's a link to the weekend stream:-

https://www.youtube.com/watch?v=T7oPMEq1WNg

Patreon stream happening soon

Patreon stream happening within an hour of this post:-

https://www.youtube.com/watch?v=irGdDeU5oDk

Don't use the 12V charger with the vests.....

Don't use the included 12V charger that comes with the vests until you have checked it out internally.  There are three resistors inside which may have been intended to limit the current to the indicator LED and for the charging.  But the output is connected directly to the car plug, so...

Next generation supported filament lamp

I've featured one like this before with a glass tube for the filament.  But this version is super compact and rugged, while also being very simple.

https://www.youtube.com/watch?v=VjzTz2M-o1c

Patreon quiet mid-week stream link

https://www.youtube.com/watch?v=irGdDeU5oDk

Short and very late Xmas day video

I didn't release this at the time because I thought the wind noise had swamped my voice out.

https://www.youtube.com/watch?v=0Mr6x06Z2o4

Lithium powered safety vest

Sorry - mega amounts of content today.
This one has a handy link in the description for an eBay listing.  It's a product that contains useful lithium cells and chargers at a ludicrously low price.  Either they've made a listing mistake, are selling redundant stock or are getting rid ...

Microsoft Surface tablet killing power supply

Not just the tablet.  The owner may have had a close scrape too....

https://www.youtube.com/watch?v=fSE_Nm7pAw4

Not sure about this video

Is this video OK or too rambly and disjointed?

https://www.youtube.com/watch?v=5yFwhWeqyq4

Brainless video candy

Well to be fair, YouTube asked for "shorts".

https://www.youtube.com/watch?v=2D7VkqKAk-Q

I've put a few up, but am just linking this one here.

Exploring a dead shaver socket

Another gift from Mr Nagy.  It's a dead shaver socket.

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

This may be fairly unique to the UK to comply with our regulations.  It's a socket for bathr...

Latest PCB prototype

It's a dumb trickle charger that very slowly trickles your cells at a low enough current (30mA) to comply with the manufacturers continuous trickle charge specification.

This means that high capacity cells will take literally days to charge, but will be guaranteed to be charged to the absol...

Ceiling light hack with mind-bender

This light was sent by Thomas Nagy a LONG time ago.
Now I wish I'd looked at it sooner, as it has a very weird bit of power smoothing circuitry.

https://www.youtube.com/watch?v=DFq0NlBIoUw

I'm glad ...

Weekend stream link

Here's the link to the weekend stream:-

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

Battery/cell tester

Something nice and simple for a change.

https://www.youtube.com/watch?v=Dv59-XEHqlc

The design appears to have remained consistent over many decades, although I think they may have had a slight compone...