Monthly Archives: March 2019

Tech Flashback: The CD+Graphics Format (CD+G)

I think by now, everyone knows I like to go on a salvage. This includes going regularly into thrift shops to see what’s new (or old) and what could be had for a reasonable price. This week had been rather … 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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rnd(): Ghosts in the Air Glow, Networking Woes, Surprise T-Shirt, Opal Receipts & Parking Tickets

It’s been another busy week, as usual, but I guess it’s nice to be occupied. You wouldn’t want to be bored … so I thought it would be a good time to make this “random” post that covers some things … 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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Tech Flashback: Anchor Automation Volksmodem 12

This weekend is turning out to be a bit of a telephony weekend, as I unpack more items from the stack of items donated by readers of the blog. This one is something I’m particularly fond of – the Anchor … 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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Random: Hailstorm, Floppy Torture, Earpad Repair & Creative Racking feat. GS724Tv3

It’s rarely the case I don’t get a chance to post until the very end of the weekend, but this week has been one of those weeks. Busyness knows no bounds, made worse when you get some surprise events thrown … 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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HDD Salvage: ST380011A, ST3160815AS, ST3250310AS, WD5000AAKX & HDP725025GLA380

Often paying a visit to a friend can end up becoming a salvage operation. In this case, on my visit, I was informed that there was a stack of hard drives that are surplus to needs and would be disposed. … 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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Radiofax: XSG Shanghai, China (National Meterological Centre, CMA)

Just when I thought my series on radiofax may well be drawing to a close, a reader by the name of Vitor (ONL12294) contributed some very valuable information leading to Shanghai Coast Radio (XSG) Faxes. Armed with a set of … 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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Radiofax: VMC Charleville, QLD/VMW Wiluna, WA (Bureau of Meteorology, Australia)

The radiofax series of posts have gone on for a while, but lately, the number of postings have become rather slim. What might not be so evident is that the monitoring efforts continue, perhaps even more intensely than at the … 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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Project: The VOLMET Audio Gallery

Utility stations on HF are rather interesting to me and some readers may have seen my recent series on HF radiofax which is nearing its conclusion pending some more monitoring. But there are other types of utility stations out there, … Continue reading

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