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Das Framework-Laptop – Unboxing und Einrichtung

Das Framework Laptop ist eine neue Laptopmarke. Es kommt von der kleinen, jungen Firma „Framework”, basiert auf leistungsfähiger Hardware und hat ein innovatives Konzept: Es kann extrem gut...

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The Framework Laptop – Unboxing And Installation

„Framework” is a new laptop producer and brand. The new and small „Framework” company creates laptops with decent hardware and an innovative, sustainable concept: Hardware components can be configured...

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Java: DSL-like Builders with interfaces instead of classes

I am developing in Java now for some 27 years, the most part of it for a living. There are many clever things I’ve seen in this time written and invented by others. So, I was really surprised when I...

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User interface library „UiUiUi” for Arduino/ESP32/ESP8266 etc.

Recently, I started a bit of microcontroller programming. I did some hobby electronics back in the 1980ies and it’s fascinating to see how things have evolved. I really like these little ESP32 modules....

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How I swapped the battery of my Google Pixel 4 XL smart phone

I really like my Google Pixel 4 XL smart phone. Unfortunately, the battery was aging and had less and less capacity. So I exchanged it with a new one. Watch my video how this worked and why it was a...

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Google Pixel 4 XL: Akkutausch als klebrige Angelegenheit

Ich nutze immer noch sehr gern mein Google Pixel 4 XL Smartphone. Allerdings hat der Akku nach drei Jahren so stark abgebaut, dass ich mich entschlossen habe, ihn auszutauschen. Wie das lief und warum...

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Wie Mikrocontroller Dinge bewegen – Motoransteuerung mit dem L293D

Kurz vor Jahresende habe ich noch ein Video veröffentlicht. Diesmal geht es um Elektronik: Wie steuert man einen Motor mit einem Mikrocontroller an? Ich beschäftige mich mit den Grundlagen von...

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How microcontrollers move things – motor control with an Arduino and a L293D IC

As I often do, I now also published an English version of my German video about how to control a motor with a microcontroller. https://youtu.be/Vlz05BuHoUE

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From MySQL to MariaDB in under 10 minutes – Live-on-stage migration of...

Together with MySQL and MariaDB founder Monty Widenius I migrated the production database of my company, cantamen, from MySQL to MariaDB. I did this at MariaDB’s FOSDEM ’24 event in Brussels – live on...

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Mein Prusa-MK4-3D-Drucker-Bau/My Prusa MK4 3D Printer Build

Ich habe seit Ende 2023 einen Prusa MK4 3D-Drucker und habe den Aufbau der Kit-Version im Video festgehalten./Since the end of 2023 I have a Prusa MK4 3D printer and recorded the assembly on video....

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