Run through this step-by-step guide to set-up an access-point for a version 3.2 Realtek chipset wifi dongle on Raspian.

Used hardware:


Following up on my of creating a REST API for controlling an RC boat, it became clear that a more flexible setup is needed to have a joyful experience.

After playing around with the previous implementation, where navigation using buttons still felt very clumpsy, I thought that using joysticks could be a great improvement. After looking into some video games where boats were involved, I decided using two joysticks for controlling the two separate axis.

As I wanted to drive my boat outdoors at a lake as well, I started looking into a native iOS implementation which I…


After , I now want to control the boat from a web interface.

Used hardware:

Used software:

Software configuration

Install the latest environment with for package management on the Pi:

sudo apt-get install nodejs npm

Install some javascript dependencies which we need later in the tutorial:

npm…


Inspired by I also want to control an RC boat with the help of my Raspberry Pi Zero. Read about the first steps to get the boat moving.

Used hardware:

Used software:

Find out about your OS version by running cat /etc/os-release

My kernel version is 4.14.98+ #2100. To know yours, run uname -a


After with my Raspberry, I wanted to make it transportable and trackable outdoors as well. That’s when I came across instructions, which I used as a starting point for this manual.

Used hardware:

Used software:

Find out about your OS version by running cat /etc/os-release

My kernel version is 4.14.98+ #2100. To know yours, run uname -a

Don’t worry if…


Following up after my first article on how to , I want to walk you through connecting a camera to it.

Used hardware:

Used software:

Find out about your OS version by running cat /etc/os-release

My kernel version is 4.14.98+ #2100. To know yours, run uname -a

Don’t worry if the kernel version does not exactly match yours, as long as you use the stretch release, this…


Used hardware

Used software

Follow installation instructions which should lead you to a functional micro SD card flashed with the Raspian OS.

Hardware configuration

  1. Connect the HDMI cable via mini HDMI adapter to the Pi Zero and an external screen.
  2. Connect the USB keyboard via micro USB adapter to the Pi Zero micro-USB port. Use the plug closest to the centre.
  3. Plug the micro SD card in…


Last week we had our first version of the eGym labs. It is a company event where all the software developers gather in Munich for 2 days and participate in a . People from different departments pitch problems which they believe can be solved with the help of technology. This was a lot about automating tedious repeating tasks no one really wants to do manually these days. After the pitch each developer could choose which problem he or she want to solve to improve the companies overall productivity.


Thanks to the team who made this wonderful conference happen.

This year me and my colleague attended the . Attending a conference is always a great thing to do. You have the opportunity getting to know other developers and can discuss important pieces of your day to day job. Sometimes you talk about weird platform behaviour, but mostly you have fun exchanging ideas which help you and your team grow.

After attending this conference for the first time last year, I already was pretty confident it will be a great success this year as well (which it was). In retrospective, the biggest difference was that it got even…


During the last year we touched the code of our deep linking implementation a couple of times. Changing requirements in eGym’s required us to allow deep linking for a variety of use-cases. The main objective was making the app’s download and user experience as smooth as possible.

We started off with our first use-case about a year ago, when developers from partner applications demanded the functionality to open or download our product from within their Android application. Starting with a very simple solution, partner applications were routing to us via a code-snippet like the following:

This worked fine…

Michael Münzer

Engineering Manager @ Babbel

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