Raspberry Pi Blog

/Raspberry Pi Blog

Blogartikel, Anleitungen und Tipps rund um den Raspberry Pi Singleboard Computer und verwandte Themen.

We will post information about the Raspberry Pi SBC and related topics, like Arduino, Making, Embedded Development, etc.

enabling and disabling a systemd service in Python using DBus

The upcoming picockpit-client reacts to deletion events from the frontend by disabling it’s service (the application will stay installed, however).Similarly, when you decide to run picockpit-client connect again, the service will be re-enabled and started automatically for you.This is possible using the Python DBus interface.the DBus is a bus system for interacting with other applications. [...]

By | August 1st, 2020|Development, PiCockpit, Python, Raspberry Pi Blog|Kommentare deaktiviert für enabling and disabling a systemd service in Python using DBus

Raspbian SSH Server fails after upgrade from Stretch to Buster (no SSH connection)

I used this excellent guide to update my Raspbian from Stretch to Buster:https://pimylifeup.com/upgrade-raspbian-stretch-to-raspbian-buster/After rebooting my Pi, the SSH connection was gone. Logging into the Pi using the attached keyboard and monitor allowed me to debug the issue:service ssh statusjournalctl -u ssh -n 200"Missing privilege separation directory /run/sshd"This directory needs to be created at startup for [...]

By | Juli 31st, 2020|Raspberry Pi Blog|Kommentare deaktiviert für Raspbian SSH Server fails after upgrade from Stretch to Buster (no SSH connection)

Historische Texte

Als Teil der Überarbeitung der pi3g.com Webseite, in Vorbereitung auf den Launch der Google Coral.AI und AIY Produktreihe, habe ich unsere Webseite auf Englisch umgestellt.Hier als Referenz einige der Texte die wir früher hatten:Wir sind als Raspberry Pi Foundation approved reseller, sowie einer von zwei deutschen Pi Zero Distributoren Ihr starker Partner rund um die [...]

By | Juni 20th, 2020|Raspberry Pi Blog|Kommentare deaktiviert für Historische Texte

20888

20.888 is the total number of Raspberry Pi we (pi3g e.K.) sold last year (2019).Thank you to all our customers, resellers and partners.

By | Juni 19th, 2020|Raspberry Pi Blog|Kommentare deaktiviert für 20888

TermiShell: a web-based shell for the Raspberry Pi (development notes)

IntroductionIn the course of development of PiCockpit, I am going to add a web-based Terminal called TermiShell.TermiShell icon, by: Stephanie Harvey via unsplash.com TermiShell is going to allow you to log into your Raspberry Pi using PiCockpit.com (and the picockpit-client) – no additional application required on either side. This should be very comfortable, especially when [...]

By | Mai 5th, 2020|Development, Python, Raspberry Pi Blog, Raspberry Pi Embedded Development|Kommentare deaktiviert für TermiShell: a web-based shell for the Raspberry Pi (development notes)

Use PiCan GPS with an external antenna

the PiCan GPS uses this chip:https://cdn-shop.adafruit.com/datasheets/GlobalTop-FGPMMOPA6H-Datasheet-V0A.pdfit has a Built-in 15X15X2.5mm ceramic patch antenna on the top of moduleandAutomatic antenna switching functionAn external antenna can be attached to the PiCan 2 GPS. Page 17 of the Datasheet has recommended specs for this external antenna. The antenna should be switched to automatically, if I understand it correctly [...]

By | April 9th, 2020|Raspberry Pi Blog|Kommentare deaktiviert für Use PiCan GPS with an external antenna

Impact of Coronavirus (Covid-19). Update for pi3g Raspberry Pi Customers

Due to the increased impact of the Coronavirus, we would like to give a statement as to the impact on our business, and the supply to our customers with Raspberry Pi products and other products we distribute.Situation with Raspberry Pi Trading & FarnellOur main suppliers are Farnell and Raspberry Pi Trading for Raspberry Pi accessories. [...]

By | März 17th, 2020|Raspberry Pi News|Kommentare deaktiviert für Impact of Coronavirus (Covid-19). Update for pi3g Raspberry Pi Customers

Google Coral USB Accelerator & AIY Voice / Vision Kit Distribution in Europe

Today, I am happy to announce that we, pi3g e.K., are partnering with Google as a distributor for exciting Artificial Intelligence / Machine Learning products!As of immediately, we are distributing the Coral USB Accelerator, the AIY Voice and Vision Kit. Further products from the Google Coral lineup may be added down the line.In case you [...]

By | März 8th, 2020|Raspberry Pi Blog|Kommentare deaktiviert für Google Coral USB Accelerator & AIY Voice / Vision Kit Distribution in Europe

Ab sofort Pi 4 / 2 GB zum Pi 4 / 1 GB Preis

Dank des Raspberry Pi Geburtstags haben wir jetzt wieder mehr Leistung zum gleichen Preis: Die Raspberry Pi Trading hat den Pi 4 / 2 GB im Preis reduziert! Das 2 GB Modell kostet jetzt genauso viel wie das 1 GB Modell. Jetzt bei buyzero.de Raspberry Pi 4 kaufen.  

By | März 8th, 2020|Raspberry Pi Blog|Kommentare deaktiviert für Ab sofort Pi 4 / 2 GB zum Pi 4 / 1 GB Preis

Paho MQTT Client (Javascript), Envoy, VerneMQ: debugging disconnects

After deploying picockpit to my server, a bug was observed: the web frontend would disconnect in very regular intervals. This had not been present on the local development environment. Users of picockpit reported the same bug. I have debugged it today, and applied a hotfix. It turns out it was a timing issue. TL;DR how [...]

By | September 8th, 2019|MQTT, PiCockpit, VerneMQ|Kommentare deaktiviert für Paho MQTT Client (Javascript), Envoy, VerneMQ: debugging disconnects