Second time lucky....

If you search for the keywords:- waterproof inkjet transparency film screen printing you should find some from a local supplier. The printer I use is a standard Epson printer with the colours set to the most extreme settings on glossy photo paper.

Big Clive

Good video as usual. Could you share the ebay link to the transparency paper you use? and also what printer you currently use?

The only component that would need changed is the rectangular X2 dropper capacitor. You could use a 330nF or 470nF cap rated for 250V.

Big Clive

I love the project and would like to make one myself. Can you suggest component values for a North American mains voltage version?

I love how your insight and experience resulted in a couple of extra traces for versatility!... but Clive, you have popped your share of caps, but that was on purpose of course. I also could almost hear the dopamine release in your voice when the circuit worked. (Nice) congrats man

Michael Thompson

More than a good result Clive :) Great video, and a neat little project - you need to do a few more projects. Cheers mate, keep up the great work.

Richard Boyce

Great video. Good to see a project again - always enjoy seeing these even though I don't thoroughly understand them.

Great video and learning. So enjoyed it.

I always enjoy seeing someone else going through that design and build phase, followed by the tweaking to get the optimum results. Talk of popping electrolytics reminds me of when I hurriedly cobbled together a 12V DC supply and used a 12V electrolytic to smooth the output from the bridge rectifier which was on a 12V AC winding of the mains transformer. The results were quite festive, as the air filled with bits of foil....

Phil Collins

Just a thought: if you want the main LED to glow to prove it when charging why not just leave out the smoothing capacitor (and resistor across the transistor) - then wouldn't you get a kind of low pwm glow from the circuit firing on the zero crossing points? Chinese style component count optimisation! But maybe at the cost of slower battery charging as it would be powering the glow not the main supply.

Charleso

Lovin the video. Along with the minor troubleshoot at the end

Vaughn B.

100uF 25V.

Big Clive

Quick query - what was the value of the electrolytic smoothing capacitor you used? Just curious (I'm not planning to build the circuit!)...

Nice one. Interesting that there are zener diodes that behave more like we'd want them to. In the past the zeners I came across always drew current far below the zener voltage. Learnt something.

November 2017, somewhere in Shenzen: "Guys, come take a look at this! Do we have any small-current Zeners...?" ;)

Porcupine

Yeah, that was one of the blips. It's got reset at some point.

Big Clive

great video love you make it videos need more i love and thing with leds

Opencamera lets you lock orientation to landscape, think it applies to videos as well

iamdarkyoshi