profile

Stefan Herndlbauer

Join my Maker’s Logbook for weekly behind-the-scenes updates from my workshop — projects, experiments, lessons learned, and small wins you won’t find on my blog or podcast.

Ubuntu 25 Linux Logo
Featured Post

Maker’s Logbook – From Microcontrollers to the Linux Kernel

Maker's Logbook by Stefan Herndlbauer Week 011 (Oct 6–Oct 12): Saying Hello to the Linux Kernel Ubuntu 25 — my development environment for Linux programming. ✍ Week’s content, if you missed it No new content last week 😔 — but lots of groundwork for what’s coming next! 🛠 This Week at the Workbench Set up my new development environment for Linux and successfully built my first kernel module. It’s always a special moment when a simple “Hello, Kernel!” actually runs. More about this in Tuesday’s...

Raspberry Pi 3 and 4 ready to become my playground for driver development

Maker's Logbook by Stefan Herndlbauer Week 010 (Sep 29–Oct 5): From Drone Telemetry to Linux Kernel Hacking Raspberry Pi 3 and 4 — my new test bench for kernel driver experiments ✍ Week’s content, if you missed it 🎙 A Maker’s Journey – Episode 7: Season Finale: Lessons from the Drone Telemetry Project 🛠 This Week at the Workbench Brainstormed ideas for Season 2 and settled on a topic: Embedded Linux & Linux kernel driver development. I’ve long wanted to dig into kernel internals, and now it’s...

My new mechanical keyboard, a pleasure to type

Maker's Logbook by Stefan Herndlbauer Week 009 (Sep 22–Sep 28): Keyboard Upgrades, New Ideas & Season Finale Prep My new mechanical keyboard, a pleasure to type ✍ Week’s content, if you missed it No new blog posts this week — just a few social updates about my new free posters. Sometimes the day job and the workbench win over the keyboard. 🛠 This Week at the Workbench Spent a good amount of time on idea validation and brainstorming for the next podcast season. I haven’t settled on the right...

My grandfather’s typewriter — still fully functional and a great source of inspiration.

Maker's Logbook by Stefan Herndlbauer Week 008 (Sep 15–Sep 21): Inspired by My Grandfather’s Typewriter Placing the freshly printed maker poster in my garage ✍ Week’s content, if you missed it 🎙 A Maker’s Journey – Episode 6: From Breadboard to First Data: Debugging, Enclosures & a Test Drive ✉️ New landing page to grab your free maker poster 🛠 This Week at the Workbench Explored an idea for Season 2 of the podcast: designing and building a modern typewriter. Inspired by my grandfather’s...

The drone telemetry electronics in my printed enclosure

Maker's Logbook by Stefan Herndlbauer Week 007 (Sep 8–Sep 14): From Loose Wires to Lessons in Soldering The drone telemetry logger in my 3d printed enclosure. ✍ Week’s content, if you missed it Work was intense, and the telemetry system kept me busy, leaving little time for other projects. But stay tuned — tomorrow’s podcast episode hits a big milestone. 🛠 This Week at the Workbench Continued wiring and debugging on the drone telemetry system. With the enclosure coming together, it finally...

A sneak peek of the upcoming maker poster designs

Maker's Logbook by Stefan Herndlbauer Week 006 (Sep 1–Sep 7): Enclosure Progress, Maker Posters & Garage Renovation A sneak peek of the upcoming maker poster designs ✍ Week’s content, if you missed it 🎙 A Maker’s Journey – Episode 5: From Zero to Flight-Ready: Logging Data with CircuitPython on the Feather RP2040 🏍️ From Rust to Ride - 5 Motorcycle Restoration Hacks I Learned from My Puch 125 SR 🛠 This Week at the Workbench Made good progress with the enclosure and wiring of my components. I...

3d printed desk organizer

Maker's Logbook by Stefan Herndlbauer Week 005 (Aug 25–Aug 31): 3D-Printed Camera Mounts, Drone Telemetry Progress & LoRa Plans 3D-printed smartphone holder arm ✍ Week’s content, if you missed it No new blog posts or social updates this week — sometimes the job and the workbench win over the keyboard. 🛠 This Week at the Workbench Reworked a 3D-printed smartphone holder arm. Instead of the clamp from the original set, I wanted to use my standard iPhone clamp with a camera mounting screw. That...

A photo of my new CircuitPython board, Adafruit Feather

Maker's Logbook by Stefan Herndlbauer Week 004 (Aug 18–Aug 24): Why I Wish I’d Started With CircuitPython My new CircuitPython board, Adafruit Feather ✍ Week’s content, if you missed it 🎙 A Maker’s Journey – Episode 4: When the SD Card Won… and Why I’m Switching to CircuitPython for My Drone Telemetry 🚧 How to Get Unstuck and Finish Your DIY Projects 🛠 This Week at the Workbench Set up the new Adafruit Feather board and ran the first example programs. Seeing how easy it is to work with, I...

Photo from breadboard setup with my SD card shield mounted on my dev board

Maker's Logbook by Stefan Herndlbauer Week 3 (Aug 11–Aug 17): Switching to CircuitPython & Wiring the Workshop Everything in its place -The cabling worked out exactly ✍ Week’s content, if you missed it 📺 Getting Barometric Data with my STM32 A Maker’s Journey S1E2 🖨️ After 7 Years with My Anycubic i3 Mega, I Switched to the Bambu Lab P1S — Here’s Why 🛠 This Week at the Workbench To keep the drone telemetry system alive, I finally made the call to switch to CircuitPython. After finishing the...

Freshly renovated empty garage

Maker's Logbook by Stefan Herndlbauer Week 2 (Aug 4–Aug 10): Retro Games, Garage Upgrades & Drone Progress Freshly renovated empty garage with new sockets and wiring. 📝 Week’s content, if you missed it 🎙 A Maker’s Journey – Episode 3: Untethered Embedded & GPS Adventures 🛠 Achieve Wireless Embedded Programming Over Network with Raspberry Pi 📺 First Podcast Release on YouTube 🎉 🛠 This Week at the Workbench Bought threaded inserts for 3D prints — next project: a sturdy table camera/phone mount....