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Radiofax: NMC Pt. Reyes California (National Weather Service/NOAA, USA)

From goughlui.com 2 years ago in Blogs

Given that the United States of America’s National Weather Service (NWS) / National Oceanic and Atmospheric Administration (NOAA) operate a large number of the remaining radiofax stations, it’s about time I covered another from the family. Previously, I covered KVM70 … Continue reading →

Articles from Dr. Gough Lui

Project: Generic ICL8038-based Signal Generator Kit

From goughlui.com 2 days ago in Blogs

Having grown up with through-hole electronics kits, I have blogged about constructing quite a few inexpensive Chinese “generic” electronics kits. For the most part, I rarely come across any new kits, but recently, this particular kit caught my eye. This...

Quick Review: Enchen BlackStone USB-C Rechargeable Shaver

From goughlui.com 3 days ago in Blogs

I’ve been using a Braun 3-series shaver for many years now, but over the years, it’s starting to become a bit of an annoyance. I’ve replaced the cartridge on it twice and it’s seemingly due for another replacement. In the...

Tested: XW-0936-24-240W (9-36V to 24V/10A) DC-DC Buck-Boost Converter

From goughlui.com 3 days ago in Blogs

Running things off batteries (and DC in general) is fine and dandy right up until you have a piece of gear that needs a particular voltage, or is very fussy about the voltage range it will operate in. Usually resolving...

Experiment: microSD Card Power Consumption & SPI Performance

From goughlui.com 4 days ago in Blogs

This week marks the official “back-to-the-office” week and what a change it’s been. While chatting to one of my colleagues, they asked whether I was interested in doing some experiments to measure microSD card performance and power consumption in embedded...

Review: CJMCU 8×8 (64) pixel WS2812B 5050 Addressable RGB LED Arrays

From goughlui.com 2 weeks ago in Blogs

For many years, as a child, I had looked up at various dot-matrix LED indicators in public transport installations wondering if ever I would have a dot-matrix LED display of my own. While common-anode/common-cathode modules and drivers modules have been...

Project: A USB-TMC to Ethernet (LAN) Bridge (with a Difference)

From goughlui.com 2 weeks ago in Blogs

Over the years, I’ve pursued my curiosity through running experiments of my own, enabled by a suite of test equipment that I have carefully curated over the years. Being a major beneficiary of the element14 RoadTest program and the generosity...

Note: Questionable “IRF3205” 55V/8mΩ/110A N-channel MOSFETs

From goughlui.com 2 weeks ago in Blogs

While doing some online shopping on a Chinese site buying some random bits and pieces, I decided to tempt fate by seeing whether there were any other items I could buy that would be cheap, useful but also not add...

Fail, Teardown: WD Elements SE 4TB 2.5″ USB 3.0 Hard Drive (WDBJRT0040BBK-0A)

From goughlui.com 3 weeks ago in Blogs

Just this week, my Dad came to me asking for help with an external bus-powered USB hard drive that just seemed to be stuck. It seemingly stopped working properly and he wanted me to just reformat it – to hell...

Project: Modified Car Fridge “Pro” with a PCBWay 2-Layer HASL PCB

From goughlui.com 4 weeks ago in Blogs

You might recall a few weeks ago when I presented this rather unwieldy monstrosity of a modification to a Peltier car fridge to turn it into an environmental chamber … … even though it was an ugly mess of wires...

RoadTest Review: Maxim Integrated MAX77751 USB-C Autonomous Charger IC Evaluation Kit

From goughlui.com 4 weeks ago in Blogs

I was fortunate enough at the end of 2020 to have been awarded another RoadTest thanks to element14 and Maxim Integrated. I suppose many readers would already know that I have an interest when it comes to batteries and I...

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