SamSuka
bigclive
bigclive

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The REAL filter kit build video.

This seems to be a common kit on eBay.  I've included an eBay search link in the description, but keep in mind that China is in the middle of an epidemic at the moment.  In the meantime you can buy similar modules built to local standards from most big electronic component suppliers.

https://youtu.be/uItTnwgY8Ok

It's a fairly common filter arrangement with design features that hint at it being a less well designed copy of another design.

The REAL filter kit build video.

Comments

Try an eBay search for energy monitor plug .

Big Clive

Clive, do you have link for the "Mini HOPI ?" you used in this video?

You mention the MOVs might have been fitted because they looked like Class Ys. A blue 0.2" disc saying 471 would normally be a cap. In my early days of dealing with a chinese manufacturer, component colour was taken as seriously as anything else. But maybe the MOVs were cheaper! Price trumps everything.

Mike Page

You may be right. I'll unleash the video and then add a correction in the description if the suppression experts weigh in.

Big Clive

Surely under normal operation the windings of a common mode choke would generate opposing (cancelling) magnetic fields and only net imbalances (common mode noise) will induce fields in the same direction.

Dave Davies

I have have been waiting for four 100Ah LiFePO4 cells and a BMS coming from AliExpress sellers. They haven't shipped yet and now god only knows when they might ship. When they do finally appear I suppose I will soak them down with disinfectant though I know that is probably pointless. It is terrible what those people are going through. The costs to their businesses will be staggering as well. How much business must China do every day, and now it's essentially all shut down.

Bill Kerr

A wonderful exploration and explanation of filtration!

Michael Thompson

What do you mean?

Big Clive

nice but, if your hi-fi need that.... it means you should get a better hi-fi because all the decent electronic products have a EMI filter on them and it's made by the brand for the product....

Groovy1024

With every other line green ?

Apparently a virus can't survive long outwith a host, so it should be fine given how long it takes to get here.

Big Clive

Feel free. I think there are quite a few phones out there with audio clips from my videos in them.

Big Clive

I just ordered a new phone case from China before I read the description. When it arrives should I soak it in IPA? Or maybe soak it and the postman and set them both alight? Or even just forget that I ordered it during a crisis in China and resign myself to the fact that I'll probably never see it? Back on topic. Was nice to see you doing your old style soldering videos - explaining how it's done etc. That is one of the things that got me stuck on your channel. I have small hands but always do the same as you - hold the board and component and solder in one hand and the iron in the other.

John Carr

Clive do you mind if I use the "MMM slip it in~" as a TXT alert tone.

Charles Bruckner


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