Tag Archives: ebay

Fake: Hoya PRO1 Digital UV Filter

Recently, having purchased a new lens (even though it was only a kit lens), I thought it would be a good idea to protect the front element with a clear UV filter. While this practice is sometimes debatable as filter … Continue reading

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Review, Test & Teardown: BlitzWolf BW-S6 30W QC3.0 Dual-Port Charger

It’s a bit of a shame that some of the mobile phones out there which have Qualcomm chipsets and are capable of quick charging are shipped with regular “plain old” 5V/2A chargers. As an owner of various Xiaomi phones myself, … Continue reading

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Project: DIY More Tube-based Pre-Amp Kit (6J1 “Fever” Clone)

Ever since the vinyl “revival”, I’ve been bitten by a vintage audio bug of sorts. Of course, the old formats always come with their headaches and frustrations, but they also have a character and charm associated with them. One thing … Continue reading

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Project: HX3208 (CD9088-based) SMD “Micro” FM Radio Kit

The kit drawer is like the bottomless-pit of entertainment, except that it does have a bottom and I’m slowly reaching it. You can tell because these are the kits that I’ve left behind for a later day – perhaps out … Continue reading

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Project: HX-1021 “Green Lighting” LED Color Small Night Light Kit

Gough’s kit crusade continues with this HX-1021 “Green Lighting” LED Color Small Night Light kit, costing just AU$2.73 including postage. This one was incorrectly listed on eBay as a “mains motion light”, but the lack of a PIR detector is … Continue reading

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Project: EQKit PSK-1 Electronic “Voice Control” Switch Kit

Continuing the kit-a-thon, I grabbed another EQKit out of the drawer – this one is a PSK-1 which was sold as an Electronic “Voice Control” Switch Kit for the princely sum of AU$1.98 including postage. As a kit that had … Continue reading

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Project: EQKit MDS-60 Electronic Metal Detector Kit

As a fan of building kits, my crusade to try building random cheap-Chinese kits continues with this EQKit MDS-60 Electronic Metal Detector Kit which I managed to get for AU$1.84. Being such a low-cost item, we don’t expect to build … Continue reading

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Project: “Generic” USB 5V/500mA Charger Kit

When it comes to power supplies, the standardisation of USB has made it the ubiquitous choice for many mobile and portable devices. As a result, you probably have an abundance of spare USB power supplies to charge or power your … Continue reading

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Project: “Generic” CD4060 SMD Musical LED Fancy Lantern Kit

I have a drawer full of cheap kits and I’m on a mission to empty it! This time, I’m looking at a “generic” CD4060 SMD “musical” LED fancy lantern kit which was purchased for AU$2.89 including postage. What’s so fancy … Continue reading

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Project: “Generic” Electronic 3-Person Voting Kit

My love for kits and cheap thrills comes together when I shop online. A year-or-so ago, I scoured eBay for whatever cheap kits I could find so I could build them and given the rainy weather, it is time for … Continue reading

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Project: “Generic” ZM-4 AT89C2051 4-Digit 7-Segment LED Clock Kit

Feeling a little bored and deflated one evening, I decided to open up my drawer of stuff to grab a kit out of there to cheer me up. After all, kit builds have always been rather therapeutic for me – … Continue reading

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Project: Generic 16-Tones Electronic Music Box Kit

Around a year ago, I went on a shopping spree for kits and ended up with a stash of them which I would attempt in my spare time. Chinese kits have all the fun of being relatively inexpensive, but also … Continue reading

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Tested: Generic “Sintechi” FC1307A-based SD to IDE Adapter (SD35VC0)

If you’re the type to have a few older “semi-retro” computers lying about, you’ve probably got a few old interfaces that are becoming difficult to use. For floppy drives, there are USB-floppy emulators, for PCI you can potentially fit a … Continue reading

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Quick Teardown: Mini VGA2HDMI Converter

With my recent upgrade to 4K monitors, I’ve come to realise that VGA has (at long last) become obsolete. There are no analog interfaces at all on my new monitors – so how am I going to connect my vintage … Continue reading

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Review, Teardown & Test: Portable USB 18650 Li-Ion Rechargeable Fans (x3)

It’s summer in Australia and this one is another scorcher! Our summers do get somewhat hot, but not usually this hot. Data from my own weather station in my backyard shows that the temperature over the period from Christmas Eve … Continue reading

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Tested: EDUP 11AC 1900M Dual-Band USB 3.0 Wireless Adapter (EP-AC1621)

In my quest for more wireless throughput, my hAP ac with three-stream 802.11ac wireless seemed to be the right choice. The problem was that I had absolutely no three-stream capable equipment to use with it – so I wasn’t seeing … Continue reading

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Note: Bosch Sensortec BMP280 vs BME280 Sensor Confusion

While looking around for some cheap environmental sensors, I came across the seemingly ideal and relatively popular Bosch Sensortec BME280. This is a digital I2C sensor that can operate at 1.8 or 3.3V, providing temperature, humidity and barometric pressure measurements … Continue reading

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Tested: MINI-360 (MP2307-based) “3A” Buck Converter Module

As mentioned in my earlier Canton-Power buck-boost module review, voltages from batteries are rarely exactly the voltages you need to safely and reliably power your electronic creations. While that converter was rather acceptable, the efficiency wasn’t exactly stellar. In the … Continue reading

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Tested: Canton-Power DDO603SA 3.3V Buck-Boost Converter Module

If you like to experiment with electronics, sooner-or-later you’re going to build something you’d like to use in a portable way, perhaps running off batteries. While things that run off 5V are easy to cater for, as USB is ubiquitous, … Continue reading

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Project: Generic Electronic 57 LED Hourglass Kit (TJ-56-205)

I couldn’t help myself, so once I finish one kit, it’s often straight onto another. This kit was sold as an electronic LED hourglass and was a little more expensive at AU$3.07 including postage. Compared to local suppliers, this is … Continue reading

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Project: Generic 18 Red LED Flashing Love Heart Kit (TJ-56-30)

Another day, another classic kit. It seems that LED heart-shaped displays are a timeless novelty, so after building a multi-coloured chasing heart and a breathing heart, why not a flashing one? For just AU$1.68 including postage, I managed to score … Continue reading

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Teardown: Generic Wall-Mountable Passive PoE Midspan Injector

For a lot of modern networked devices, Power over Ethernet (PoE) is a big convenience, allowing the one cable to power a remote device (be it an access point, camera, etc.) and supply the data connectivity to it. While there … Continue reading

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Project: Unbranded Generic NE555+CD4017 SMD LED Chaser Kit (YL-117)

I had a little time this evening, so I thought, why not crack open a kit? After all, I did buy a stack of cheap eBay kits to keep me amused and give me something to write about … so … Continue reading

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Project: EQKit HBL-22 Breathing Green LED Heart Kit

I just can’t help myself, so I grabbed another kit off the pile and decided to build it. This is yet another “cheap” kit from eBay intended for educational use. This particular kit is an EQKit HBL-22 “breathing” LED heart … Continue reading

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Project: Unbranded 38 x 5mm LED DIY Lamp Kit

Trawling eBay listings for some more cheap kits to build resulted in some rather interesting discoveries. The kit in question was a 38 LED do-it-yourself LED lamp kit for AU$1.47. At that price, I thought I’d jump on it despite … Continue reading

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Project: Generic Chinese Electronic LED Windmill Kit

I’ve always been someone to enjoy constructing electronics kits from a young age. Even though I’ve become more experienced at soldering and more knowledgeable about electronics, I still find constructing new kits therapeutic and enjoyable for a bit of weekend … Continue reading

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Repair: Xiaomi Redmi Note 2 Power Button

I bought my Xiaomi Redmi Note 2 back at the beginning of 2016 and it’s served as both my data-phone (browsing, data SIM) for a year and as a phone-phone (calls, SMS) for the remainder. It was good value when … Continue reading

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Review, Teardown: Unbranded 4-port USB 3.0 Type-C Hub (T-511C/K-UH301)

There comes a time when, if you’re like me, you run out of USB ports on your main computer. Like it or not, almost everything connects via USB – for example, I have a webcam, keyboard, mouse, printer (or two), … Continue reading

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Hack: Customize the LED Shake-Stick Images

As I managed to construct the LED shake-stick kit just yesterday evening, I wasn’t entirely satisfied with its operation. For one, the images weren’t particularly inspiring. I mentioned that it should be possible to replace the images in the ROM … Continue reading

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Project: AT89S52-based LED Shake-Stick Kit

Just recently, I built an AT89S52-based LED Heart and an LED Clock Kit, so I wondered just what else is out there that is AT89S52-based. Searching around on eBay led me to a “shake stick” kit for AU$4.37. It looked … Continue reading

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