raspberry pi Archive

Enabling and checking I2C on the Raspberry Pi using the command line for your own scripts

By Maximilian Batz | 2021-05-20

Most people know that you can enable the I2C port using raspi-config. raspi-config also offers a non-interactive mode, where you can drive it’s functionality using command line parameters to it. Reading the current state of the I2C port on the Raspberry Pi Here is how to read the current state of the I2C port: sudo…

Controlling LEDs on Alpine Linux using the command line

By Maximilian Batz | 2020-11-06

We have developed an embedded Raspberry Pi Compute Module carrier board for industrial use: the PCCB. As you can see, there are three (directly) user programmable LEDs on the PCCB: USER / INFO / ACT. These are defined in the device tree. For example, we can define the following in our device tree overlay: //LEDs…

Entscheidung für Raspberry Pi als Embedded Development-Plattform

By Maximilian Batz | 2020-08-28

Als einer der approved Raspberry Pi Reseller, und einem offiziellen Reseller der Pi Zero Serie (wir waren übrigens der erste auf dem europäischen Festland) mit starken technischen Kompetenzen rund um die Raspberry Pi Plattform möchten wir Sie bei Ihrer Entscheidung für oder gegen die Plattform unterstützen, und einige immer wieder kehrende Fragen beantworten. Die Abbildung…

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

By Maximilian Batz | 2020-07-31

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 status journalctl -u ssh -n 200 “Missing privilege separation directory /run/sshd” This directory needs…

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

By Maximilian Batz | 2020-03-17

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…

Our own product PCCB: Pi Control Carrier Board

By Maximilian Batz | 2020-03-11

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…

Vorteile von Android™ vs. Linux

By Maximilian Batz | 2019-02-06

Technische Grundlagen Android™ basiert auf dem Linux-Kernel, optimiert ihn aber besonders auf embedded Systeme & mobile Plattformen. Android nutzt den Linux Kernel mit einigen Anpassungen. Es unterscheidet sich jedoch grundlegend von üblichen Linux Distributionen, wie bspw. Debian / Raspbian / Alpine Linux. Üblicherweise nutzen Distributionen die GNU C Bibliothek (glibc), und einen X server (bspw.…

Introducing PiCockpit and PiDoctor – how to test your Raspberry Pi and get information about it

By Maximilian Batz | 2019-01-05

We strive to make the Raspberry Pi even easier to use for everyone. Introducing PiCockpit To this end today we are introducing our new platform PiCockpit. PiCockpit will be extended over time with useful tools for Raspberry Pi users and administrators. We start out with two tools to help the Raspberry Pi community: PiDoctor –…

Interview with Simon Long of Raspberry Pi about the Raspberry Pi Desktop, UI design, and much more!

By Maximilian Batz | 2019-01-04

Important background information: this interview was done in early July 2018, so some applications to which Simon refers might already be released, etc. Max: This is the interview with Simon Long of the Raspberry Pi Foundation who is mainly responsible for Raspbian the desktop OS. Simon: That’s right. Max: Many applications like VeraCrypt release binaries…

Screenshots über SSH erstellen

By darling | 2016-06-11

Ein kurzer Tipp um Screenshots vom Raspberry Pi X Desktop (LXDE) über SSH zu erstellen: sudo aptitude install scrot DISPLAY=”:0.0″ scrot /tmp/screenshot1.png Die Screenshots können dann z.B. mit dem Windows Tool WinSCP vom Pi heruntergeladen werden. scrot hat auch einige weitere Optionen, z.B. eine verzögerte Aufnahme.