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…
Weiterlesen20888
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.
WeiterlesenDealing with NIL in JSON::Any in Crystal Lang
One of the challenges when developing with Crystal is that it is not as forgiving about data types as, say, Python or Ruby. nil will keep you occupied. The following error message: cast from Nil to String failed, at /usr/share/crystal/src/json/any.cr:220:5:220 can be solved by: # cast to string, THEN check if it is nil if…
WeiterlesenChromium exit code -5
While running Chromium with chromium-browser –display=:0 https://www.picockpit.com will allow you to start Chromium from an SSH connection (and it will output to the main display in the X Server), this will fail when you try to run it with subprocess.Popen in Python: “command”: [“chromium-browser”, “–display=:0”, “https://picockpit.com”] (this is part of the JSON format I have…
Weiterlesensecure command execution with Python: subprocess.Popen
Security is important for me while developing the picockpit-client. The following applies to Linux systems (but probably is applicable to all Unix like systems, including macOS) Python allows to run external commands using the subprocess module. import subprocess In the upcoming version of PiCockpit, users will be able to create their own buttons (simply editing…
WeiterlesenTermiShell: a web-based shell for the Raspberry Pi (development notes)
Introduction In 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,…
WeiterlesenUse PiCan GPS with an external antenna
the PiCan GPS uses this chip: https://cdn-shop.adafruit.com/datasheets/GlobalTop-FGPMMOPA6H-Datasheet-V0A.pdf it has a Built-in 15X15X2.5mm ceramic patch antenna on the top of module and Automatic antenna switching function An 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,…
WeiterlesenCreating configuration files in /etc in Debian packages
I am currently working on an updated picockpit-client version, which should add additional configuration files in /etc/picockpit-client for the individual modules (PiDoctor & PiControl). picockpit-client is a Raspbian package for picockpit.com, linking the Web platform with your individual Raspberry Pi. As Raspbian is based on Debian, the following information holds true for general packaging for…
WeiterlesenImpact 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 & Farnell Our main suppliers are Farnell and Raspberry Pi Trading for Raspberry…
WeiterlesenOur own product PCCB: Pi Control Carrier Board
This is a quick overview of our product, PCCB (Pi Control Carrier Board). PCCB is already in a second revision with significantly expanded features. How does it look? What does it do? The PCCB (Pi Control Carrier Board) is an industrial carrier board for the Raspberry Pi Compute Module. It offers several industrial interfaces, and…
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