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kopiro

I like RJ45 cables.

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Making a Macintosh SE from 1987 surf the web

I connected my Macintosh SE to the internet through a Raspberry Pi, built the serial cable myself, and fixed a System 6 web browser until it could open a real website.

My wife's MacBook looked broken by macOS Tahoe. It was the battery cable

A damaged battery flex cable made my wife's Intel MacBook crawl at 800 MHz, stall macOS installations, and look like a T2 firmware failure.

How to isolate your Amazon Echo Dot from the internet

How to turn an old Amazon Echo Dot into a Home Assistant voice satellite and prevent it from accessing the internet.

How to stop neighbours from pairing with your LG TV

How I hide my rooted LG webOS TV from Bluetooth discovery so random neighbours cannot keep attempting to pair with it.

Investing 101 in Sweden

A simple guide to start managing your finances better in Sweden.

I made my PlayStation 5 silent again

My PS5 had the noisy 17-blade Nidec fan. I tried the o-ring fix first, but replacing it with an NMB fan made the real difference.

My Sage Barista espresso machine is now smart

The goal is simple: having my Sage Barista already warm when I wake up.

Make the IKEA VARMBLIXT Donut lamp smart with Zigbee

I recently bought the IKEA VARMBLIXT donut lamp, but to my disappointment this light is not smart and not dimmable.

How to use different Git identities per directory

If you're like me, you have a personal email for your side projects and a work email for... well, work. And if you've ever accidentally committed to your com...

Claude Code while you drink an espresso

We have all been there: you are on a 4 hour session with Claude Code and you really need a break; it's in the middle of a big refactoring and you desperately...

How to use your LG remote to change OLED brightness

This tutorial is for everyone who wants to use their LG remote to change the brightness of their OLED TV.

Convert a batch of images into Ghibli style using ChatGPT and macOS Automator

If you love the warm, dreamy visuals of Studio Ghibli films, here's a powerful automation trick: an AppleScript automation that lets you select multiple imag...

How to correctly publish your Mac apps outside of the App Store

Distributing Mac apps outside of the App Store requires more than just building and zipping your .app.

Using C89 on a '80s Macintosh SE to solve Advent of Code 2023

For this year AdventOfCode, I want to try to solve some problems using an old Macintosh SE I have lying around and the ThinkC compiler.

Hey Siri, make coffee!

“my wife was tired of bringing me coffee in bed every morning. But I am too lazy (especially in the morning) to actually get up and make it. Therefore, I aut...

How I built the SiriWaveJS library: a look at the math and the code

It was 4 years ago when I had the idea to replicate the Apple® Siri wave-form (introduced with the iPhone 4S) in the browser using pure Javascript.

How to easily run any Linux tool on any machine

Have you ever encountered a situation like the ones below?

Reverse engineer Spotify and Chromecast protocols to let my vocal assistant play music

I recently tried a Google Home Mini and the most interesting feature is the ability to play music by Spotify directly on a Chromecast.

The hardware behind Otto: a monkey plush which became my vocal assistant

Otto is a monkey plush that we found in a highway store during a trip with my girlfriend in February 2017.

How to install Kali on a USB stick with pure EFI boot on a Mac (and with virtualization via USB on Virtualbox)

This tutorial is for everyone who wants a USB stick with a full Kali installation to use with your Mac(s). This is not intended to perform a Live Kali instal...

What I learned hacking the Facebook Messenger Soccer game

Recently, during the last European Football Championship, Facebook introduced a little game in the Messenger app that makes you lose hours and hours despite...

Kata resolution: Next bigger number with the same digits

I would like to share with you my solution of a Kata on CodeWars.