Gough Lui's Blog

The Result of Answering a Question About T-shirt Size ...

Gough Lui — Sun, 19 Apr 2026 00:03:28 GMT

Hello again! It's been a while between posts - I've been snowed in with work, health check-ups and other commitments, so I've been a little quiet as of late. By now, you're probably already aware of what this post is about ... so I'm a bit late to th...(read more)

Light Up Your Life Design Challenge - Prize Unboxing

Gough Lui — Mon, 15 Dec 2025 12:39:04 GMT

It’s been a bit of time since the judging of the Light Up Your Life Design Challenge, but I am very much honoured and humbled to have won first place. Many thanks to element14 for arranging and Würth Elektronik for sponsoring this design c...(read more)

Experimenting with Flyback Transformers 3rd Prize – More Than I Expected!

Gough Lui — Sun, 25 Feb 2024 09:31:08 GMT

The Experimenting with Flyback Transformers Design Challenge, sponsored by Bourns, was definitely a challenge for a novice such as myself. I wasn’t helped by time constraints due to competing demands, but I decided to put in a solid push toward...(read more)

Project: Generate High-Quality Industrial Fire/Alarm Sounder Audio with Python

Gough Lui — Mon, 29 Jan 2024 11:18:42 GMT

This is a bit of a weird one, so I decided it's probably worth a cross-posting here on element14 simply because it started with me looking at a Connect Magazine at a Roshni LP sounder ... ... and asking myself ... what does its 32-tones sound like? ...(read more)

Experimenting with Supercapacitors Grand Prize – Part 3: Multicomp Pro MP710259 Electronic Load Teardown, Repair & Test

Gough Lui — Tue, 23 Jan 2024 11:50:57 GMT

You may recall from Part 2, I became the proud owner of a Multicomp Pro MP710259 DC Electronic Load, which also sells under the Tenma 72-13210 designation in some markets and is a Korad KEL103 rebadge. It surprised me with its relatively accurate met...(read more)

Experimenting with Supercapacitors Grand Prize – Part 2: Multicomp Pro MP710259 Electronic Load (with Fun Workarounds!)

Gough Lui — Tue, 26 Dec 2023 04:50:25 GMT

In the spirit of Christmas and of being thankful, this second half of the grand prize was, in itself, also not free of logistical difficulties. Thanks to rscasny and srutledge , a Christmas miracle happened, which is why I’m posting ...(read more)

Experimenting with Supercapacitors Grand Prize – Part 1: That’s Not a Spectrum Analyser!

Gough Lui — Mon, 25 Dec 2023 23:58:39 GMT

It’s Christmas – a time to be thankful and a time for reflection. Top Members will know just what a busy and difficult year it has been for me, but nevertheless, I am extremely thankful to the judges (DAB , anniel747 ) and ...(read more)

Tek 2-Series MSO In-Depth – Ch3: On-The-Bench User Experience

Gough Lui — Sun, 15 Oct 2023 11:04:10 GMT

Now that I have the Tektronix 2-series MSO in-hand, it’s time to set it up and find out what it’s like to live with. Unfortunately, as this unit has not been provided with the 16-channel digital probe, there will be no tests involving the...(read more)

Tek 2-Series MSO In-Depth – Ch5: TekDrive, TekScope, Kickstart & ArbExpress

Gough Lui — Sun, 15 Oct 2023 02:45:00 GMT

A key differentiating factor for Tektronix products is the software support that ties in with the oscilloscope. While most other vendors typically have just the oscilloscope and options which install on the oscilloscope (leaving users to program thei...(read more)

Tek 2-Series MSO In-Depth – Ch7: Instrument Performance Tests

Gough Lui — Sat, 14 Oct 2023 19:34:34 GMT

As an oscilloscope is a very sophisticated device, there are only a limited set of tests that someone like myself without a calibration lab can perform. Nevertheless, they have all been grouped together and reported in this blog. Front-End Noise Ever...(read more)

Tek 2-Series MSO In-Depth – Ch4: Remote Connectivity

Gough Lui — Sat, 14 Oct 2023 12:59:18 GMT

As the last blog post concentrated on the usage of the MSO on-the-bench, this one will focus on its capabilities when using its remote-control interfaces. Documentation and Support Information regarding the 2-series MSO’s programmatic interface...(read more)

Tek 2-Series MSO In-Depth – Ch6: Going Portable

Gough Lui — Sat, 14 Oct 2023 11:31:31 GMT

A key distinguishing feature of the 2-series MSO is the ability to go portable. This means you could, in theory, do your oscilloscope probing from almost anywhere. Putting the MSO24 into 2-PC I unboxed the 2-PC protective case in Chapter 2 earlier, s...(read more)

Tek 2-Series MSO In-Depth – Ch2: Unboxing & Feature Introduction

Gough Lui — Sat, 14 Oct 2023 10:30:28 GMT

In this second in-depth blog posting, I’ll be looking at the boxes that have arrived. Peeling away the packaging, I’ll reveal what’s included inside this RoadTest bundle and comment on some of the key design features and key differe...(read more)

Tek 2-Series MSO In-Depth – Ch1: Market Survey

Gough Lui — Sat, 14 Oct 2023 09:36:06 GMT

First of all, let me begin by thanking element14 and Tektronix for selecting me as the lucky RoadTester for the Tektronix 2-series MSO. This is a product I’ve been looking at since launch, having attending the launch event, as there is more tha...(read more)

Open Surgery on a Keysight U1461A Insulation Resistance Tester

Gough Lui — Wed, 27 Sep 2023 09:24:30 GMT

It has been eight years since I reviewed the Keysight U1461A, an insulation resistance testing digital multimeter with a rather sharp OLED display. Since then, it has become my only insulation testing device, keeping me safe when salvaging electronic...(read more)