SiincosCharge: Open-Source, Privacy-First EV Charging Management
SiincosCharge is an open-source management system for EV charging points. It consists of an edge component written in Swift that runs on a Linux-based device…
Read more →Engineering the future – one line of code a day
Software Engineer 👨💻 | Building apps for macOS 💻, iOS📱 & Linux 🐧 – with Swift 🐦🔥
Hi 👋, I’m Johannes, a software engineer with a passion for Swift, app development and IoT systems. This blog serves as my personal notebook: software engineering, technology, programming and hands-on projects.
Follow along as I explore, build, and share my experiences.
Building IoT Device Clients in Swift with TinyTBDeviceClient
As I work a lot in the field of IoT, I recently experimented with Swift on a Raspberry Pi. I also wanted to use it…
Read more →Building a Secure PKI for MQTT using OpenSSL: Root CA, Intermediate CA, and Server Certificates
Transport security is a fundamental requirement for any MQTT-based system, especially in IoT and industrial environments where devices often operate unattended and over public networks.
Read more →Fingerprint Authentication with Ubuntu 24.04 on my HP Envy Notebook
Recently, I wanted to enable fingerprint authentication on my HP Envy notebook running Ubuntu 24.04. LTS. It was quite an exhaustive process, as I spent…
Read more →Running Python Scripts in a Virtualenv with Cron
Cron is a scheduling service available on Unix-based operating systems. It allows you to automate tasks by running scripts or binaries at fixed times, intervals,…
Read more →Automating PyInstaller Builds and Code Signing with PowerShell
When developing desktop software in Python, creating a Windows release often involves a few repetitive steps: To make this process faster and less error-prone, I…
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