Using the AD9833 Function Generator in a setup with the Totem Minilab: more comfortable and safer coding of Ar-duino projects with embedded electronics

When you want to design an embedded project, or a plain electronics project, there are various issues to solve. It’s not only the logical design of a microprocessor code or the schematic of an electronics design. You also need to solve practical issues. You must plan how to set up a prototype or a test […]
Ethernet over Coax: A stable internet connection in every room

If you want to have internet access in a building with multiple rooms like hotels, retirement homes, schools or a large house, you need a lot of wiring. This is often already in place but Ethernet over Coax makes it possible to use existing antenna cables as data lines. The project Suitable for: AdvancedTime required: […]
Build your own CO2 measuring device easily and inexpensively

Ob zu Hause, in der Schule oder am Arbeitsplatz – wir alle haben großes Interesse, in gut belüfteten Räumen zu leben, zu lernen und zu arbeiten. Der CO2-Gehalt und die relative Luftfeuchtigkeit gelten als wichtige Indikatoren der Luftqualität: Gute Raumluft hat weniger als 1.000 ppm CO2 und eine relative Luftfeuchtigkeit, die mehr als 40 Prozent […]
JOAN – easy room booking and scheduling with many extras

Meetings are an integral part of our working life, not only virtually but also personally in the office. The space for this is limited and in great demand. It is not uncommon for “space battles”, disruptions and other obstacles to productivity to occur. In order to plan efficiently and to be able to arrange the […]
Test and measure your digital circuits with LabVIEW from NI and the portable USB logic analyzer and digital pattern generator from Digilent

As laboratory space becomes less and less and development teams are more and more dispersed, companies are opting for all-in-one equipment to complement traditional laboratories. This creates a need for mobile test and measurement stations that can support any type of development. USB test and measurement devices can be used in a wide range of […]
Home Automation III – The atmospheric bed light

Put to the test – The self-developed node in your own home automation In the first part of the series, you have laid the foundations to be able to implement a home automation system yourself. The second part serves as an introduction to a possible framework to integrate your own sensors and actuators in this […]
Home Automation II – Programming your own devices with ESPHome

Die Qual der Wahl – welche Firmware für die eigenen Nodes? IoT-Geräte sind seit nun schon einigen Jahren in aller Munde. In der DIY-Szene angekommen sind sie aber spätestens mit dem Aufkommen der ESP8266, des ESP32 und der guten Integration in das Arduino-Ökosystem. Nun kann man mit einfachsten Mitteln seine Geräte internettauglich machen. Mittlerweile gibt […]
Retro Feeling: the GPI Case from Retroflag

Retroflag has reworked what is probably the best known handheld game console from back then with the latest technology. In this how-to we will guide you step by step in the construction of a retro game console, starting with the assembly up to the installation of the games. GPI Bundle The Retroflag’s GPI case bundle* […]
Home Automation I – Getting started with the Home Assistant software

Just another smart home standard? The last years have been very eventful for home automation. Everyone is talking about IoT and many manufacturers offer solutions for it. After the initial enthusiasm, however, disillusionment usually follows: there are an infinite number of standards and solutions, many are managed in a cloud and often products become useless […]
Display Individual Texts, Images and videos on LED matrices with the Raspberry Pi

LED matrices offer very special options for displaying photos, letters, electronic tickers, pictures and even videos. They are a real eye-catcher in the living room at home, as well as in shop on advertising displays or at trade fairs. For even more design freedom, several boards can be interconnected so that an LED wall is […]



