Category: Make

First Impression on the Xiaomi WiFi+

Here a first look at the Xiaomi WiFi+ PCB and Software is given.

Setting-up OpenPLC

The OpenPLC is a opensource Programmable Logic Controllers (PLC) alternative. Due to this, it is possible to understand the black box of these systems. It could be easily used with a Raspberry Pi.

Open Source Risc-V on the Xilinx Artix-7 35T Arty – Part 2

With OpenOCD it is possible to flash/upload programs to the spi flash of the Arty Board. From there the SiFive Risc-V “core” will boot.

Open Source Risc-V on the Xilinx Artix-7 35T Arty – Part 1

Configuring and programming the 100 € Xilinx Arty development board with an open source implementation of the Risc-V ISA from SiFive.

Raspberry Pi – Hardware Hacking V0.1 update

The manufactured boards have arrived. Unexpectedly the component identifiers are printed on the PCB and i have not placed them. Due to this reason in the next version they have to be placed right. Top of the PCB: Bottom of

Raspberry Pi – Hardware Hacking V0.1

The idea behind the hardware hacking shield for the Raspberry Pi is to learn IT-Security hacks on different bus systems on embedded boards. Features for the first version of the Raspberry Pi Hardware Hacking Board (V0.1): I2C EEPROM to learn

Raspberry Pi – Python Flask

Python flask The aim is to display content on the Waveshare touchscreen on the Raspberry Pi. For this the Python module Flask is used. With this it is possible to generate a webside with dynamic Python content and much more.

Raspberry Pi – Start Iceweasel on startup

Start into full-screen iceweasel The aim of this tutorial is to start iceweasel in full-screen automatically on boot up of the Raspberry Pi.

Raspberry Pi – HDMI Display

Connect a 7″ HDMI touch display to a Raspberry Pi: Here a short set-up tutorial about the waveshare 7″ touchscreen for the Raspberry Pi is described.


Etching equipment: Temperature regulated etching bath Exposure unit Several containers Etching chemicals Location:



Exposure unit

Exposure unit:


Gnublin: The Gnublin board is a small form factor PCB with an embedded Linux  on it. It can be bought on Picture of the Gnublin board:

LED cube

LED cube: LED cubes are a very popular project , while the sizes go from 3x3x3 to 10x10x10 on with RGB LEDs. At the university we have build a monochrome 5x5x5 LED cube.  

Vacuum cleaner

Vacuum cleaner: At the present time there are many autonomous vacuum cleaner. In summer 2012 I have designed and built a vacuum cleaner by myself. The following video shows a short section of it.