pi3g e.K. heißt Sie Willkommen!

Wir sind als Raspberry Pi Foundation approved reseller, sowie einer von zwei deutschen Pi Zero Distributoren Ihr starker Partner rund um die Raspberry Pi Plattform.

Wir sind seit den Anfängen des beliebten Einplatinencomputers (2012) am Markt. Wir verfügen über umfangreiche Industriekontakte, Spezialwissen und viel Erfahrung mit der Raspberry Pi Plattform. Zuverlässigkeit, Ehrlichkeit und Kommunikation auf Augenhöhe sind für uns wichtig.

Bitte wählen Sie einen unserer drei Geschäftsbereiche (Eigene Produkte / Value Added Distribution / Maker & Biohacker Shop) um mehr über uns zu erfahren:

Eigene Produkte

pi3g entwickelt und stellt in Kooperation mit Partnern eigene Produkte her. Die Produkte sind entweder für den Raspberry Pi gedacht, oder basieren auf dem Raspberry Pi.

Hervorzuheben ist insbesondere LetsTrust, das erste TPM Modul für die Raspberry Pi Plattform.

Ein Produkt für den Consumerbereich hingegen ist unsere beliebte Anonymebox.

Value Added Distribution

Wir unterstützen Sie mit Rat und Tat bei großen und kleinen Mengen an Ware, Sonderbeschaffungen rund um den Raspberry Pi Bereich - fragen Sie uns für ein Angebot an, es lohnt sich!

Über das reine Produktsortiment aus beraten wir Sie gerne zu Einsatzmöglichkeiten der Raspberry Pi Computerplattform, um Ihre Computerinfrastruktur zu optimieren, Ihre Betriebskosten zu senken, und neues wirtschaftliches Potential zu erschließen.

Maker & Biohacker Online Shop

In unserem eigenen Onlineshop buyzero.de bieten wir Dir eine reiche Auswahl von Produkten rund um den Maker- und Biohacker Bereich.

Natürlich steht der Raspberry Pi auch hier im Mittelpunkt - wir bieten das komplette Sortiment und Zubehör der Raspberry Pi Foundation.

Viele Markenartikel von Pimoroni, Adafruit und anderen Herstellern runden das Sortiment ab. Schau doch einfach vorbei!

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

Von Maximilian Batz | 2019-09-08

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 […]

PiCockpit v.0.11.0 & picockpit-client v0.15.6 released–live pi monitoring!

Von Maximilian Batz | 2019-08-23

Freshly released for you – now picockpit.com offers you a possibility to monitor up to 5 Pis from everywhere on this planet (with an Internet connection) for free! This is how it looks like: The data (under the heartbeat button) is updated live, currently every second. How do I start monitoring my Pis for free? […]

Specifying Debian dependency between two versions & apt-get installing .deb files

Von Maximilian Batz | 2019-08-21

These informations are probably of most interest to package maintainers: Dependency on specific package versions Here is how to specify a python3 dependency between version 3.5 (equals to or later), and 3.6 (must be earlier) in debian/control: Depends: python3 (>= 3.5), python3 (<< 3.6) So you basically specify two dependencies. Note, this will not work […]

picockpit.com new version v.0.11.0 is live!

Von Maximilian Batz | 2019-08-17

This new version of picockpit.com supports live streaming of MQTT measurement data from your Pi to your webinterface (desktop or mobile). By clicking on the info icon, you can see the public and private IPs, the serial number and the Pi model: The online state of the Pi is displayed with the online badge. Currently […]

PiCockpit preview: Sensors

Von Maximilian Batz | 2019-08-14

Preview This is in the upcoming version of PiCockpit: All these values are updated live (currently each second) using MQTT messages to PiCockpit. The value for Root partition total available is static, as it is the total size of the root partition. Some values are rendered in a prettier (but less precise) view in the […]

PiCockpit showing CPU usage & temperature

Von Maximilian Batz | 2019-08-12

The CPU information is updated live in your webinterface. No matter where your Pi will be in the world, if it has an Internet connection and can talk to the PiCockpit MQTT Broker, you will be able to monitor it. CPU Loaded with two hogs: The 51 % refers to overall system load – that […]

PiCockpit: online / offline states, and MQTT

Von Maximilian Batz | 2019-08-08

In the upcoming PiCockpit release, we will have an online status tracking for Pi’s connected via picockpit-client. The online function is realized by MQTT’s Last Will & Testament feature. You can test it by unplugging your Pi from the network. I unplugged the Pi at: 17:59:10 At about 18:00:05 it was shown as offline: Why […]

VerneMQ how to disconnect clients forceably per command line

Von Maximilian Batz | 2019-08-08

There is a command vmq-admin session show which will show you the currently connected clients: Unfortunately, this output is truncated for a total width of 80 characters (no matter how many would fit) and there is currently no indication that it is. See this VerneMQ Github issue: https://github.com/vernemq/vernemq/issues/1200 To disconnect clients you need the client_id […]

Paho failure to subscribe

Von Maximilian Batz | 2019-08-08

Problem AMQJS0005E Internal error. Error Message: Cannot read property ’show‘ of undefined This error is shown sporadically, especially when you Shift-Reload the whole page. Solution I have a Vue.js Plugin to show “toast” messages (Vue.toasted). I currently use it for debugging purposes. Everything worked fine initially, as my code was executed after Vue was initialized […]

First message from picockpit client rendered!

Von Maximilian Batz | 2019-08-07

Today, 7.8.2019, at around 18:16 the code is in place for the first message to have been rendered:   Thus the Pi “Alexander” is shown as online. Thanks to the magic of vue.js, MQTT, VerneMQ, AdminLTE, Crystal Lang, Python, Paho, AXIOS and much much more! This is the effort of around 320 hours of work […]