Müller Licht 5.5W/220-240V/50Hz/38mA/470lm/2700K/dimmable/E14 EB1500665 40036 (WHL #12F1)

Another one bites the dust :suspect:

Three months after the failed E14 LED light bulb in WHL #12, the second unit (out of four) died. It came back to life a few times (a few seconds each), and I reckon now the magic smoke has finally escaped.

All of the remaining bulbs show this distinct yellow shading on the diffusion globe. The replacement one still looks white, like shown in the previous post. But this one clearly failed…look at it, I think it sneezed one single LED off the board. Bless you! […]


USB 3.0 Type A Male to Type A Male M-M Coupler Adapter Gender Changer Connector Pro New (WHL #16)

…also sold as Blue USB 3.0 A Male to Male Extension Converter Adapter USB Connector Gender Changer Coupler For Pc Laptop and tons of other variations.

Remember the USB 3.0 keystone module from WHL #13? Yep, it can get worse than that.

I’ve always kept USB gender changers handy to connect weird and wonderful combinations of devices, including measurement contraptions e.g. for current tests. With the advent of USB 3.0 (with classic A plugs, I don’t have any USB type-C devices yet), I needed to slowly upgrade my gear to do such measurements in USB 3 mode. […]


20cm 8″ inch ATX 4 Pin Male to 4Pin Female PC CPU Power Supply Extension Cable Cord Connector Adapter (WHL #14F1 – first follow-up)

Triple-follow-up to the WHL #14 article about the 4-Pin extension cables for desktop computer mainboards.

Since publishing the article, I managed to order two more cables from CHAINA, two different sellers, with very similar product description. At the end of January, both have arrived and have been tested immediately.
Aaand, what do you know, both were the very same make as already shown in #14. Both failed with clouds of smoke when putting 5 amps or more on them, and of course I started disputes for both of them (one pending, one resulted in a quick refund). […]


Micro USB V8 Cable 2016 High Quality New Arrival Nice Black White Colors USB Car Charger (WHL #15)

Hello again!

Today, I have something springy for you. A powerful car charger for two of your favourite electronics!

…except I broke it during first use :lol: Prepare for some Wan Hung Lo qualitty goodness!

I bought this fine piece of equipment for 2.48€ at AliExpress back in November. And I got my money back.

Notice something? […]


7 decade thumbwheel resistor box (project #P1)

A while ago, I wrote articles about a bargain SMD resistor set (WHL #10 ) as well as some thumbwheel switches (WHL #11). Let’s start fresh in 2017 and present the final box :)

As already shown in the thumbwheel post, the initial resistor placement wasn’t perfect. I fiddled some more and I got a case and nice 4mm banana plugs for it. First, let’s see the final measurement results, done with a calibrated Keithley 2700 6 1/2 digit DMM in 4-Wire (Kelvin) mode.

Original performance:

Final performance:

Yep, the 1Ω data point still violates the 1%/10000ppm spec (1,9%). […]


2016 New 8″ inch ATX 4 Pin Male to 4Pin Female PC CPU Power Supply Extension Cable Cord Connector Adapter 1PC Hot 20cm (WHL #14)

Religious holidays, you gotta love them. Short (pun intended) review today: A plain old power extension cable for your PC, one of the 12V supply cables to the motherboard. I don’t really know why I ordered it back in January, but I guess it was in preparation for upgrading one of the 19″ cases as a gaming rig. Which hasn’t been built yet, because the bloody display manufacturers only ship crappy 3440×1440 displays with ridiculous FreeSync ranges..or even without. In 2016! It’s not rocket science!

So, what do we have? […]


Keystone USB 3.0 A Female To Female Jack Module Adapter Converter Power Socket (WHL #13)

My new desk has some extension cables running underneath to provide data and also power conveniently on one end. I decided to use a 19″ 1U “KeyStone” patch panel because I like the variety and modular nature of these adapters. Well, things like HDMI (or even this DisplayPort voodoo!) are hard to find in China, and 4mm banana plug keystones and audio jacks are basically the same price over here. But USB seems very common – so why not buy an USB 3.0 keystone from the Wan Hung Lo factory?

So I did. This arrived not too long ago:


The front dimensions are standardized to 15x17mm. […]


Müller Licht 5.5W/220-240V/50Hz/38mA/470lm/2700K/dimmable/E14 EB1500665 40036 (WHL #12)

Bit unusual item today – a plain E14 LED bulb that is sold in Germany, made by a German company, but I suspect it is made in China. Müller Licht has some stuff actually manufactured in Germany as well, but I don’t think this one was. But as it is not clearly indicated on the bulb and/or on the retail package (as far as I can see from product photos), I cannot say for sure.

Well, this was one of four identical bulbs that I bought for replacing halogen bulbs in my new home. I cost me 6.39€ a piece back then, shipping was free due to buying loads of other stuff and easily surpassing the free shipping limit at one of my favourite shops, voelkner.de. […]


Black 0-9 Digits Single Unit Pushwheel Thumbwheel Switch (WHL #11)

Folks, this is a big one. I will split into two articles to make the item review available now and show the finished project later (once I got a box around it). Maybe even three articles to post DMM comparison data. Today, I will show the unit and the first measuring results.

Back in January ( :neutral: ) I bought a 10-pack of these dials for 5.33€ including shipping at AliExpress. I saw these in the EEVblog forums and decided to have a go. And now you know the purpose of the assorted SMD resistors in WHL #10 ;)

First things first: Shipping took ages, and quality is very Wan Hung Lo’ish. […]


0805 SMD Resistor,1% 123 valuesX10pcs=1230pcs,Chip Resistor Electronic Components Package, Resistor Samples kit (WHL #10)

10 Posts, and I haven’t overtaken Dave Jones in popularity yet. I’m clearly doing something wrong! Maybe I should change something…what about “let’s not complain”…for today? ;)

Really, I cannot gripe about today’s review item even though it actually is pretty far away from advertised. I have ordered a set of 0805 SMD resistors via AliExpress for the extremely high price of 3.87 Euros including shipping (that was actually back in January 2016 – stuff piles up!).

Sure, entire reels of 0805 resistors cost measly 10 Euros for 5000 pieces (1%), that’s next to nothing per unit. […]