Category Archives: Electronics

Random: North-West Metro, Swollen Redmi Note 4X, New Sharp Aquos S3 (FS8032) & more

It’s been another busy week – so busy in fact that I can’t see myself doing much in the way of blogging for the next month or two. Between working away on my research, RoadTest reviews and keeping everything running, … Continue reading

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Project: DSE K5415 Video Fader & Wiper Kit (EA 4/98)

This weekend’s been quite a busy one, especially as I’m starting to sink my teeth into a number of RoadTest reviews. But it turns out that this weekend is also the weekend in which I have have finally come to … Continue reading

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Project: DSE K4309 Daytime Running Lights for Cars Kit (SC 8/99)

When it comes to good things, they say moderation is best. Don’t eat all your candy at once, or so they say, but instead I’m diving right in for a Dick Smith Electronics kit overdose. This is kit four of … Continue reading

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Experiment: Charging Ni-MH Batteries with Constant Voltage?

DISCLAIMER: Please note that the following experiments were conducted under controlled conditions. No responsibility will be taken for any outcomes including damages incurred from the use, misuse or inability to use the information that follows. You are responsible for any … Continue reading

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Project: DSE K7220 EA 12/90 Transistor Tester Kit

Two kits? Why not make it three. I’m enjoying this trip down memory road – but this one is rather interesting as well, as I’ve seen some of these units around but never had one of my own. This kit … Continue reading

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Project: DSE K7120 Thermocouple Adaptor for DMMs Kit (SC 12/98)

The trip down memory lane continues with the second Dick Smith Electronics boxed kit that I purchased from the CCARC Wyong Field Day. You could say, I’m on a roll when it comes to these kits … The Kit This … Continue reading

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Project: DSE K5408 Two-Channel Audio Camcorder Mixer Kit

A while back, I stumbled across a number of old Dick Smith kits being sold at the CCARC Wyong Field Day. I promised the seller that I would build the kits (eventually) and they might even make it onto the … 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: Jaycar KV3520 Vocal Converter, KV3570 RF Remote Control & KD6010 Educational Oscillator Kit

Time to crack open some more goodies from my recent haul at the Wyong Field Day – this time, it’s three old discontinued Jaycar kits from the past. KV3520 Vocal Converter The first kit I attempted was the KV3520 Vocal … 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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Teardown: Bosch DS835 TriTech PIR/Microwave Motion Detector

One of the things I bought home from the recent Wyong Field Day was a Bosch DS835 TriTech motion detector. While the box was beat-up, the unit inside looked clean and the seller wanted just $5 for it, so I … 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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After the Beep: DSE F-8011 & ion by Telstra Digital Answering Machines

The humble voice call by telephone has been with us for many years, but with the popularity of land-lines fading, it seems that the traditional voice call may be headed towards obscurity. As a synchronous communication, it requires both caller … 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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Field-Day Mysteries: Hexin 2108E Serial Device Server, CPU86 ROMs & Conner CP-3040 SCSI HDD

My recent trip to the CCARC Field Day at Wyong resulted in the purchase of a stack of random bits and pieces. The fun is, as expected, sorting through the stuff in detail, learning about it in the process and … 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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RoadTest Review: Eaton SmartWire-DT System

Thanks to element14’s New Year’s Grab Bag RoadTest, I was the lucky recipient of a RoadTest kit that had been sitting around for six years. The kit from Eaton is for evaluation of their SmartWire-DT control panel wiring system which … 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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Visited: Central Coast Amateur Radio Club (CCARC) Wyong Field Day (24 Feb 2019)

Buzz … buzz … buzz. It’s 4am on a Sunday and my wristband alarm goes off. On any other week, that would be rather abnormal and I’d plop right back to sleep. But today, instead, I leapt out of bed … Continue reading

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Repair: Hitachi CL-8320B Rechargeable Hair Clipper

From the same friend that bought around the broken soy-milk maker, I have a new repair challenge on my hands – a Hitachi CL-8320B Rechargeable Hair Clipper. The Item The unit was bought to me with its original box, which … Continue reading

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Thanks for the Packages: element14 & Tecsun Radios Australia

It’s been a few days since I’ve received a few “surprise” packages at my doorstep, but unfortunately, I didn’t have the time to post about them here when they arrived. As any academic might know – it’s grant application season … Continue reading

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Opinion: Finding a Decent EU to AU (Reverse) Travel Adapter

In the global marketplace that is the world of internet shopping, being able to buy things overseas has become a lot easier. Rather than having to take a holiday to another country and carry the items back, someone online is … Continue reading

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Failed, Teardown: Cowin E7 Pro Active Noise Cancelling Wireless Headphones

It looks like I haven’t been entirely fortunate with Cowin products. After the HE5A failed, I reverted to using the E7 Pro for my day-to-day commuting needs. Just this week, the E7 Pro failed as well, which doesn’t do much … Continue reading

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Weekend Project: MMA8451Q Accelerometer as a Microphone?

Last weekend was the Australia Day long weekend, so aside from chasing Shortwave Radiogram broadcasts and posting radiofax galleries, I also decided to build something I thought was rather interesting. In the past, I remember vaguely seeing articles about how … Continue reading

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Teardown: Cowin HE5A SportFree Active Noise Cancelling Wireless Bluetooth Earphones

It was only a few months ago in November I was reviewing the Cowin HE5A SportFree ANC Wireless Bluetooth Headphones. While I was generally satisfied with the compromises the package entailed, I did mention that the lack of protective casing … Continue reading

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