Amp upgrade v2. Hello ESP32.

This entry is part 5 of 5 in the series ESP32

This older post describes my first go at rejuvenating an old Kenwood hi-fi amp – the focus was on automatically switching the thing off & […]


Greek symbols for variables in Javascript

This entry is part 1 of 2 in the series TIL

For my inaugural TIL series… Today I Learnt that you can use Greek symbols for variables in Javascript. This was a feature I really liked […]


HBO style ident

This entry is part 1 of 1 in the series vlog

If I hear the HBO ident I think Game of Thrones. I like it. It is soothing. I wanted my own – I purposely left […]


Blinker: ESP32 library for LED blinking

This entry is part 4 of 5 in the series ESP32

I could not find a library for easily controlling the blink periods for various LEDs for 1-of-10 ESP32 projects I have been working on, so […]


Julia first go (with Waterlily.jl CFD)

This entry is part 1 of 1 in the series Julia lang

I have shown the Github robot a passing interest in CFD-related repos and it now suggests repos I might find interesting. Waterlilly.jl was the latest. […]


flipmeacoin.com

A (very long) while ago a bought the flipmeacoin.com domain. For a bit it allowed you to flip a virtual coin (using Threejs & Physijs). […]


Hackaday podcast shout-out

This entry is part 5 of 5 in the series Ball joint

Do you know what I love to do on Saturday mornings? I like to go out on my lonesome and listen to the weekly hackaday.io […]


Slow WordPress (admin) fix

This blog uses WordPress (hosted with GoDaddy on economy Linux something-or-other). At some point, the admin dashboard became intolerably slow. I had been living with […]


Euler angles

This entry is part 3 of 5 in the series Ball joint

I’d never come across Euler angles (or noticed them if I had), but they are an(other) way of describing the rotation of a rigid object […]


Active ball mechanism joint

This entry is part 1 of 5 in the series Ball joint

Came across the video below. Thought it was cool. Cooler to make one though right?! I found the original paper here, which has some great […]


OctoPi plugin to control relays

This entry is part 7 of 7 in the series RepRap

I started developing a plugin for Octoprint (more specifically Octoprint-on-RPi aka Octopi). It allows you to control relays on a Pi-Plates RELAYplate hat. See here […]


Octopi: If it ain’t broke…

This entry is part 6 of 7 in the series RepRap

In my last Reprap-Revival related post I went on about upgrading to RPi4 & wifi (from RPi3B & LAN) for Octopi. Subsequently, I have found […]


ESPmDNS: An ESP32 secret (to me anyway)

This entry is part 3 of 5 in the series ESP32

ESPmDNS enables (Zeroconf/ Bonjour/) Multicast DNS on your ESP32 (and maybe ESP8266? don’t know) microcontroller. Previously I’d been assigning a static address to ESP32 devices […]


Hello Reprap. My old friend.

This entry is part 5 of 7 in the series RepRap

I watched the video below on DriveTribe and was inspired. The presenter found his first car and has taken it upon himself to revive it […]


Tsunami: Est time of arrival

I live in New Zealand. A while back (March 2021) there were earthquakes in the Pacific which spurred tsunami warnings in NZ. I had vague […]


Plot.ly Dash and MQTT

This entry is part 3 of 3 in the series ploy.ly dash

Plot.ly Dash is an opensource Python framework for building web-apps. Pretty good. Check it out. One gotcha to the way Dash is structured is that […]


RobotDyn UNO+WiFi: SoftwareSerial

The RobotDyn board has some DIP switches on, which allow you to UART to either the ESP8266 or ATmega328p, so you can upload code to […]


RobotDyn UNO + ESP8266: AT Mode

This entry is part 2 of 2 in the series ESP8266

This post should probably have a sub-title: The penny drops After a short-lived feeling of victory in this previous post, I set upon trying to […]


RobotDyn UNO + ESP8266

This entry is part 1 of 2 in the series ESP8266

… oh, and USB-TTL CH340G which does the USB communicating with ESP8266. I think you otherwise need to wire something up using one of these […]


Roof survey and Topaz Sharpen AI

When the wind blows in a certain direction our house’s roof groans. Quite unsettling. I thought it was something loose on the roof, which is […]


Corona Bottle Top

My brother used some COVID-time to superpower his garage, finding his DIY inner-zen in the process. To celebrate its completion, I thought I’d make him […]


New life to an old amp

Hopefully, this post will save a few old amps from landfill. There is life in them yet. I bought a Kenwood 3020SE amp when I […]


Drafting Table

I draw (drew) quite a lot at work – facade details and wotnot. My office continually strives for a paperless state so working with pen-and-paper […]


DIY CNC COVID-Recommission

This entry is part 9 of 9 in the series DIY CNC Machine

A COVID-project: putting together the out-of-scrap CNC which has sat dismantled in the garage since we moved house. No real hardware upgrades, just making do […]


Why I like open-source

This entry is part 2 of 3 in the series ploy.ly dash

I bit ago I posted about 3d viewer I had written from Plotly Dash. Github user three3 added support for colours on vertices. Legend.


Adobe Premiere Pro: Final Cut

(And a bit of After Effects) See here for the first-cut post. That video was a little rough around the edges so tidied it up […]


Adobe Premiere Pro: First Cut

First-cut of my learning to use Premiere Pro below. I have dabbled with Premiere before, but always kind of danced around getting into it because […]


New Quadcopter

I have dropped my case for renaming to Tessacopter. Quadcopter will do. Zoe got me a DIY race quad, aka THE UNTETHERED a couple of […]


Hard and Slow: Drilling Stainless Steel

I’ve been to Pick-a-Part, to scavenge some replacement wing mirrors for my Subaru Legacy. 100% success on that front. Also grabbed some more VW seat […]


Pressure transducer: nervous

I bought a pressure transducer which measures up to 6000psi. The plan is (was?) to fit this to my bottle jack which I reckoned produced […]


The pressure transducer I bought

I bought one of these off AliExpress (the thing in the photo below, not the warship). I thought it would be fun to have a […]


Autodesk Recap

This entry is part 1 of 1 in the series House model

I think I have gone on about Recap before, when making busts of my dog’s head and working out much concrete I needed for a […]


Look away, squeamish

Feeling festive pre-Christmas, I decided some olive branches and some pohutukawa logs could become a Rudolph the red-nosed reindeer head Christmas decoration. All was going […]


Website of the week: Dubaifont.com

Website of the day…week…year…or this case Monday evening. Doesn’t matter. Its dubaifont.com My Back story (less interesting) At work, I use Bluebeam Revu a fair […]


Kind of back

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Shutdown. The cloud sunk.

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Black body irradiance spectrum

This entry is part 3 of 3 in the series ouch my eyes

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My eyes are burning

This entry is part 1 of 3 in the series ouch my eyes

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What was under the magic post?

This entry is part 2 of 2 in the series Magic post

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G4D: Water flow

This entry is part 2 of 3 in the series Gardening for Dum-Dums (G4D)

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House foundations: The Magic Post

This entry is part 1 of 2 in the series Magic post

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Olive Oil: The Trees

This entry is part 1 of 1 in the series Olive oil

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Cosmetic changes

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Website of the Week: predictwind

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The Big Stack Overflow 1000

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Website of the Week: &what;

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Casting Day Fuzzy Feeling

This entry is part 14 of 15 in the series Dog's Head

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Casting Day Brown Gas

This entry is part 13 of 15 in the series Dog's Head

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Dog’s Head: Casting Day

This entry is part 12 of 15 in the series Dog's Head

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Dog’s Head: Plaster Mould

This entry is part 11 of 15 in the series Dog's Head

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Dog’s Head: Wax Cast. Take 2

This entry is part 10 of 15 in the series Dog's Head

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Aluminium Furnace: Some Pics

This entry is part 9 of 15 in the series Dog's Head

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Graveyard Spiral REDUX

This entry is part 5 of 6 in the series Quadcopter

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Quadcopter Crash Landing

This entry is part 4 of 6 in the series Quadcopter

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Dog’s Head: Aluminium Furnace

This entry is part 7 of 15 in the series Dog's Head

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Dog’s Head: Wax Cast. Take 1

This entry is part 5 of 15 in the series Dog's Head

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Getting Chartered

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The One Percent: Success

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Reprap: Idea to Thing

This entry is part 4 of 7 in the series RepRap

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Drone: Intro

This entry is part 1 of 6 in the series Quadcopter

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Carving with CNC

This entry is part 8 of 9 in the series DIY CNC Machine

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App: Wifi Hot-Spot on Oreo

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AliExpress Spinal Surgery

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Subaru: New in-car display

This entry is part 1 of 16 in the series Subaru Legacy

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Dog’s Head: Part 2

This entry is part 2 of 15 in the series Dog's Head

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Dog’s Head

This entry is part 1 of 15 in the series Dog's Head

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Nice Words (I liked)

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Typo Detection

This entry is part 1 of 6 in the series Typo detection

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Subaru: Front Grille GT

This entry is part 8 of 16 in the series Subaru Legacy

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Irritating RepRap

This entry is part 3 of 7 in the series RepRap

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Subaru: Sound system upgrade

This entry is part 7 of 16 in the series Subaru Legacy

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Subaru Legacy (to) STi

This entry is part 5 of 16 in the series Subaru Legacy

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DIY CNC Router – Post 3

This entry is part 3 of 9 in the series DIY CNC Machine

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(Makeup) Table

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Old Trunk to Shelf Unit

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DIY CNC Router – Post 1

This entry is part 1 of 9 in the series DIY CNC Machine

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Smart(or Magic) Mirror

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(More on the) Reel Mower

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Old Trunk to Shoe Cupboard

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Lawn Mower Reel Lamp

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Subaru Legacy AUX-IN

This entry is part 4 of 16 in the series Subaru Legacy

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Legacy GT: It is a B Spec?

This entry is part 3 of 16 in the series Subaru Legacy

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Barbeque Beer Bread

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Subaru 2006 GT-B Wagon

This entry is part 2 of 16 in the series Subaru Legacy

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WeatherBox

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Reprap Prusa i3 updates

This entry is part 2 of 7 in the series RepRap

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Vintage Radio in the Movies

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Franken-bike

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Outdoor solar shower

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Day Engine – plan your day away

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Vintage Radio

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RepRap Prusa i3

This entry is part 1 of 7 in the series RepRap

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Automatic Door Opener – Part 1

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TwistTable

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Mr. HandKey

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Leak-o-Meter

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