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Andrej

@ajfriesen@techhub.social
mastodon 4.7.2
  • Open on techhub.social

Trying to build and sell open source hardware.
Running a German podcast.
Playing around with Home Assistant Nerd, Self-Hosting and Linux.

117 Followers
75 Following
37 Posts
Joined June 02, 2023
Blog:
https://ajfriesen.com
PokyPow - Control Your PC with Home Assistant:
https://pokypow.com
Podcast:
https://podcast.smarthuette.de/
SelfHosters:
https://selfhosters.de/
Open post
Andrej @ajfriesen@techhub.social
· 3mo ago

This is, what split keyboards are for!

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Open post
Andrej @ajfriesen@techhub.social
· 8mo ago

Die 150 Leute fürs Meetup sind geknackt, danke! 💪

Dazu gesellen sich ein paar hundert Sticker, die ich auslegen werde.

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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago

First day #makerfaireruhr is done.

Kids came to play games on my steam machine, while I could explain #homeassistant and my PokyPow and the #minirack.

See you tomorrow!

techhub.social
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago

The circle of life!

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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago

Last tests before the #makerfaire ruhr.

Join me at my booth:
https://www.makerfaire-ruhr.com/

Let's talk about #homeassistant , how I control the gaming PC with my PokyPow via Home Assistant and have a casual gaming session!

Everything put together in a 10 inch #minirack

@homeassistant@fosstodon.org that is demo worth for home assistant 😁

techhub.social

TechHub

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Open post
Andrej @ajfriesen@techhub.social
· 4mo ago

Cliff walk in Ardmore Ireland. Looks like an old ship with a crane to me.

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Open post
Andrej @ajfriesen@techhub.social
· 2mo ago

My FreeCAD experience the last 2 days was very frustrating.

I made the design parametric with variables, only using the default axis and planes as references.
But fillets, oh boy, they destroy everything, when you change variables.

Anyway, got a decent power supply mount for my 10 inch #minirack

I uploaded the file to Gemini and Claude when I was stuck and asked questions.
That actually helped sometimes!

techhub.social
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Open post
Andrej @ajfriesen@techhub.social
· 8mo ago

Das Home Assistant Meetup in Hürth hat nun 147 anmeldungen.

Kriegen wir die 150 voll?

https://luma.com/1r5yocyq

Bitte an Nerds teilen 🤓

luma.com
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago

DOOM in @homeassistant@fosstodon.org in a #minirack, don't mind if I do!

Thank you @frenck@fosstodon.org

techhub.social
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago

I hosted another @homeassistant@fosstodon.org on Saturday!
It was great!

150 people. If I had spoken to each person for just 5 minutes, that would be over 12 hours of nonstop talking.
I wish I had more time to speak to all of you.

More info and photos on my blog:
https://www.ajfriesen.com/home-assistant-meetup-2026-02-22/

ajfriesen.com
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Open post
Andrej @ajfriesen@techhub.social
· 3mo ago

Home Assistant Blue migration to a Lenovo Box.

- Created backups
- Downloaded and uploaded them
- Switched USB cables for my matter and cover sticks
- Restored
- switched up in router
- done

Looks like everything is working as if now.

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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago

@subnet_zero@chaos.social

Schau mal hier:
Foto von dem Kuchen deiner Frau im Newsletter 😁

https://newsletter.openhomefoundation.org/why-were-investing-in-the-human-touch/

newsletter.openhomefoundation.org
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Open post
Andrej @ajfriesen@techhub.social
· 3mo ago
Replying to
@benny@mastodontech.de Das ist bei mir aktuell auch nur für meetups und Demos. Ich muss mir noch eins für meine Infrastruktur bauen😅
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Open post
Andrej @ajfriesen@techhub.social
· 4mo ago

Smart Home: 0
Kid: 3

My daughter pulled out the power cord of my robo vacuum just enough it sometimes charged.
Until tonight. Tonight the vacuum started leaving the dock because of the low battery while we tried to sleep.

Maybe I should put the vacuum in another room and not in the bedroom 😁

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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago

Even waveshare is getting into the 10 inch #minirack ecosystem.

https://www.waveshare.com/product/raspberry-pi/homelab/homerack-8u-basic-kit.htm

techhub.social
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Open post
Andrej @ajfriesen@techhub.social
· 4mo ago

Ach Effizienz!
Dabei hab ich super viel bestellt 😃

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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago
Replying to
@subnet_zero@chaos.social @behweh@mas.to Ich weiß. :ablobwink:
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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago
Replying to
@subnet_zero@chaos.social ich war schon vor einigen Jahren da und ist wirklich cool. Lohnt sich in meinen Augen, auch wenn ich persönlich nur an meinem Stand stehe😁 Viel mitmachen, auch viel für Kids und einfach nur cool was Leute bauen.
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago

It fits perfectly!

Project #minirack

techhub.social
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago
Replying to
@subnet_zero@chaos.social This desk chaos and set up needs to be 1 big 12U tower. At least this is what I try until mid of march. Let's see if it works out.
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago

I might have spent too much money on this... But a 10 inch rack is coming into my home.

Not really for my home, but more for the table/booth I will set up at the #makerfaireruhr.

techhub.social
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Open post
Andrej @ajfriesen@techhub.social
· 8mo ago
Replying to
@sean@chaos.social dann schau dir Mal @evcc@fosstodon.org für dein Balkonkraftwerk an. Haben eine Podcast Folge darüber aufgenommen mit @naltatis@mastodon.social : https://podcast.smarthuette.de/episodes/sonne-im-tank-smartes-pv-uberschussladen-mit-michael-geers-vom-evcc-projekt
SmartHütte | Sonne im Tank - Smartes PV-Überschussladen mit Michael Geers vom evcc Projekt
SmartHütte

SmartHütte | Sonne im Tank - Smartes PV-Überschussladen mit Michael Geers vom evcc Projekt

Diese Woche im Fokus: Michael Geers besucht uns in der SmartHütte und erklärt, wie das Open-Source-Projekt evcc aus dummen Wallboxen intelligente Energie-Manager macht. Wir tauchen ein in die Welt ...

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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago
Replying to
@subnet_zero@chaos.social @behweh@mas.to Pff, salonfähig ... Ich bestimmen, was salonfähig ist. 😉 Kann der der Reichweite helfen, daher spielen wir das Spiel ein wenig mit.
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Open post
Andrej @ajfriesen@techhub.social
· 8mo ago
Replying to
@farmous@mastodon.social Ja Guck. Discord wäre ich nie drauf gekommen 😅 Ich werde es dort mal verkünden, danke!
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Open post
Andrej @ajfriesen@techhub.social
· 4mo ago

A new blog post is out!

Bose SoundTouch rescue

I build a quick and dirty internet radio streaming box with arcade-style buttons to not throw away the Bose SoundTouch system.

https://www.ajfriesen.com/bose-soundtouch-rescue/

#DIY

ajfriesen.com
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago
Replying to
@openhomefoundation any idea when those tickets will be available? I wanted to visit Utrecht anyway for vacation for that week. Would be great to attend the state of the open home as well 🙃
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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago

Current status of my pokypow: Right before insanity.

I bought a mainboard for demo puposes.

Now this board did not boot, when the PokyPow was plugged in.
It was stuck, not even UEFI.

Then I removed the PokyPow it got further.
Plugged it in again and then it stopped.

WTF?

At some point I could but to the OS.
Looks like, when the Kernel takes over control of the USB chip everything is mostly good.

Maybe some protection circuit from the mainboard until the Kernel takes over?

Looking into it 🔍

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Open post
Andrej @ajfriesen@techhub.social
· 4mo ago

Hey @geerlingguy@mastodon.social

found you on a tiny Raspberry Pi project called piBrick:

https://youtu.be/Aw_k3M_BDMw?si=HungEyIiwgZkNzPZ&t=135

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Open post
Andrej @ajfriesen@techhub.social
· 4mo ago

In der heutigen Ausgabe:
- epaper Displays mit OpenDisplay
- esphome device builder mit server builds und desktop app

https://selfhosters.de/woche-22-2026/

@index

selfhosters.de
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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago
Replying to
@subnet_zero@chaos.social Kuchen/Torte auf Gewichtssensor präsentieren. Was man dann damit macht 🤷‍♂️
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Open post
Andrej @ajfriesen@techhub.social
· 4mo ago

Nice work with the @esphome@fosstodon.org desktop tool. Love it already!

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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago
Replying to
@subnet_zero@chaos.social Wenn deine Frau das wieder macht, dann müssen wir uns überlegen, wie wir die Torte smart bekommen. Irgendwie muss da doch ein ESP32 rein😁
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Open post
Andrej @ajfriesen@techhub.social
· 2mo ago

Building a PokyPow Demo Dashboard in Home Assistant.

Any ideas how to show it off?

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Open post
Andrej @ajfriesen@techhub.social
· 7mo ago
Replying to
@subnet_zero@chaos.social No credits to me. All work from @frenck@fosstodon.org who outsourced development to AI. https://frenck.dev/home-assistant-can-run-doom/
frenck.dev
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Open post
Andrej @ajfriesen@techhub.social
· 6mo ago
Replying to
Bin auch fleißig gewesen und habe weiter an der ESPuino Box gearbeitet Es fehlt leider ein Kabel, muss ich wohl warten.
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Open post
Andrej @ajfriesen@techhub.social
· 3mo ago

Ugreen Power supply for my 10 inch rack.

I could not find any dimensions online, so I ordered it for a test fit.
Looks like I can make it work.

Now testing how it behaves with different cables and workloads.

I want to power:
- router 5V
- Home Assistant Blue 12V
- Odroid H2 15V
- Switch 9V
- random USB things

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