Tag Archives: experiment

Great AA Alkaline Battery Test – Addendum: 25mA Constant Current Tests

For those following along, they’d probably realize by now that I have left the country and are officially on holiday in the slightly-warmer-than-average-for-this-time-of-year Hong Kong. I had originally planned to make this post before I left home, but things got … Continue reading

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Experiment: Sylvania Lynx CFTE 42W Cool White Deluxe CFL Tubes

Every so-often, I drop into my local thrift shop because I just so happen to be passing by on another errand and have some time to spare. It’s often a good experience to sift through the random items for sale, … Continue reading

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Great AA Alkaline Battery Test – Pt 4: Cell Physical Characteristics

After the rather interesting results in the previous section, I was curious as to who actually manufactured the cells for the lesser known brands, and whether that could be determined just by examining the physical characteristics of the cells. Given … Continue reading

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Great AA Alkaline Battery Test – Pt 3: The Results

If you’ve made it this far, congratulations, you’ve earned the right to read the results! If not, you could be doing yourself a big disservice and not understanding the true intricacies that underlie the subject of battery testing and the … Continue reading

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Great AA Alkaline Battery Test – Pt 2: The Contenders

Welcome to the second installment in the Great AA Alkaline Battery Test series, where the contenders for testing are presented. This post is one of the most image heavy posts I have ever delivered, so apologies if my webserver falls … Continue reading

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Great AA Alkaline Battery Test – Pt 1: Battery Testing Fundamentals

Regular readers would probably know that I have a love of batteries, and their associated test equipment. Maybe it was the fact that they were expensive, but pervasive, and my enjoyment as a child relied quite heavily on batteries to … Continue reading

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Canb2016: Part 1 – The Journey and the Room

Just recently, I had the opportunity to present my work at the Asia-Pacific Solar Research Conference 2016, which was being held at ANU in Canberra. As a result of this, I had a good reason to make a trip down … Continue reading

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Experiment: Sydney WFM Broadcast RDS (TMC, RT+) & ACS Audio

Since my last posting about subcarriers, I decided to do a little more digging around and try to understand more about the Open-Application RDS data and try a better approach at recovering the audio from the ACS (otherwise known as … Continue reading

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Experiment: Examining Sydney WFM Subcarrier Signals (RDS, ACS)

When I was still in school, I can remember my Dad buying a “special radio” from a broadcaster to listen to some ethnic radio broadcasts. The radio was quite expensive, and it looked and felt just like a regular portable … Continue reading

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Experiment: Time to EPROM Erasure by UV Lamp & Sun?

I’ve always been fascinated by the beauty of EPROM chips with their erasure windows giving you a clear look inside the package. Because of my fascination, I ended up buying quite a few chips, an UV eraser that needed some … Continue reading

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Melb2016: Scanning the Airwaves from DC to Daylight (Part 9)

Most of my posts so far about my trip to Melbourne have been revolving around photography in a tourist sense, or as a tram-spotter. While some of the observations included some technical aspects, they were all visible and evident if … Continue reading

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Melb2016: Going to the OzWater’16 Conference (Part 1)

It’s been almost a month since my trip down to Melbourne for the OzWater’16 conference, and it’s taken me this long to get all my data together and partially processed so that I could start blogging about it. I suppose … Continue reading

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Experiment: LG D686 Battery Charging Investigation

Earlier, in my article about modifying a USB charger doctor as a USB current shunt, I elaborated on the possibility of microcycling occurring in the battery of my mobile phone due to the irregular current profile after the phone had … Continue reading

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Experiment: ZIP Defect Lists & Software-Enabled Write Protection

With my last post testing the write-protection with just one cartridge, we didn’t demonstrate any PLIST changes. While I took the GLIST changes as indicating the lists being both “fluid”, more concrete proof was desired in case one of the … Continue reading

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Tech Flashback: More ZIP Defect Tests & Trouble In Paradise Utility

Once you get started on something, often times, you realize there are things still left to be done. Indeed, this post comes about because of my previous experiments inspired by Matson’s comments, and this time, he came up with another … Continue reading

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Experiments: ZIP Disk Defect Lists, Mode Page Changes, Protected Cartridges

This post is going to get quite long, filled with walls of text, and ultimately not of any great interest to the majority of modern tech-people unless somehow you’re interested in ZIP drive behaviour, so feel free to skip this … Continue reading

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Experiment: Circular Quay Timelapse (14 Aug 15)

Around three weeks ago, on a Friday, I was feeling a little bored at home, so I decided to take advantage of the good weather and head out to do some experimental time-lapse photography. After all, I did have a … Continue reading

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Experiment: SSH Honeypot – Weeks 3 and 4

This has been a rather interesting experiment that I started and didn’t really “turn off” despite intending to. Unfortunately, last week, I didn’t have the time to analyze the data from the honeypot, and another week has come around, so … Continue reading

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Experiment: SSH Honeypot – Week 2

Seeing as I went through a decent effort to prepare the SSH honeypot for last week’s posting, I didn’t quite want to end it just there. As we know, the internet security landscape is dynamic, and threats will continue to … Continue reading

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Happy Birthday: Facebook Post Experiment & SSH Honeypot

Another birthday, and it’s a reminder that yet another year has passed. Time seems to pass by quickly, even when you do your best to make the most of every day without overloading yourself. That’s just how life is, I … Continue reading

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Teardown, Optimization: Comsol 8Gb USB Flash Stick (AU6989SN-GT & SDTNRCAMA-008G)

A while back, I received a Comsol 8Gb USB Flash Stick for a test. As it turns out, I’ve managed to grab another, so I felt less bad about breaking one apart to work out what’s inside – and as … Continue reading

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Teardown, Experiment: ST Gold (MTI) AP8-T2J & BAS 11300Mhz LNBs

An integral part of any satellite receiving system is the low-noise block downconverter (LNB), sometimes incorrectly called a “low-noise block”. As satellites use high frequencies of ~3-5Ghz for C-band and ~10-13Ghz for Ku-band transmissions and are very limited in transmission, … Continue reading

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Satellite Hunting: AsiaSat 4 (122 E), Thaicom 4 (119 E) & AsiaSat 3S (118 E)

The hunt continues with this fourth installment, where we take a look at a few satellites towards the west. AsiaSat 4 at 122 degrees East AsiaSat 4 was launched April 2003, on a high power variant of the Boeing BSS-601 … Continue reading

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Satellite Hunting: Intelsat 8 (169 E), Intelsat 5 (157 E), Measat 2 (148 E) & Apstar 9A (142 E)

Here comes a third installment of satellite hunting, and this time, we’re looking for four relatively quiet satellites which we don’t know of any steady Ku band signals beamed to Sydney. Will I be successful? You’ll have to read on … Continue reading

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Satellite Hunting: Intelsat 18 (180 degrees E) & Eutelsat 172A (172 degrees E)

Let me start with a Happy Easter to everyone! Having a few days off for a long weekend really lets me get back to what I like doing – which includes writing blogs. This post continues in the series of … Continue reading

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Experiment: Satellite Hunting for Optus 10 (164 degrees East)

By now, I think it’s clear that I’ve got a bit of an interest in electronics and most things RF related. As a result, I spend a bit of time trying to grab signals of various sorts, be it regular … Continue reading

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FB Friends: Thanks for Participating in the Birthday Experiment!

Yesterday, I officially turned 25. Another complete year older – complete with the feeling of being mellow, feeling somewhat helpless and going about my day as usual. I woke up at 7am in the morning to build a veroboard interface … Continue reading

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Review: TBS TBS6925 PCI-e Professional Satellite Tuner Card

It’s been a very long time in the making – prior to purchasing this card in 2011, TBS had been in contact with me as I was helping them with some bug-fixing for a different model of card, and they … Continue reading

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Experiment: USB to SATA bridge chips and >2Tb drives

This article was prompted by this comment on my previous posting about disassembling the Toshiba Canvio 3Tb External Hard Drive: Hi! Love your blog, haven’t had a reason to comment yet but here goes. I recently bought some Hitachi 4TB … Continue reading

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Salvage and Tech Flashback: Pioneer CT-W430 and Compact Cassettes

I guess today, I’m going to try and do a two-in-one post because the circumstances just so aligned. Another one of those UNSW Electrical Engineering salvage runs turned up this gem – a Pioneer CT-W430 dual cassette deck! This was … Continue reading

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