Robert Gühne
Robert Gühne
11/18/2025
Open Hardware: All design files on GitHub
In the GitHub repo, you will find the complete Fusion 360 models, jigs, and frame files that we work with. If you feel like it, you can use them to build your own e-paper picture frame or use it as a learning project.Read article

Blog & News

Hier findest du Neuigkeiten und Tipps zur ePaper-Technologie. Dazu gibt es aktuelle Informationen zu eInk und unsere Open Source Projekte.

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Robert Gühne
Robert Gühne
11/2/2025
Visiting Schleifenquadrat: Everything Handmade
I was recently with the guys from Schleifenquadrat on the podcast – episode "All Handmade".Read article
Robert Gühne
Robert Gühne
10/30/2025
Attach EInk display (without damaging it)
Anyone who has ever integrated an E-Ink display into a project knows the problem: How do I stick it in place without breaking it or making it impossible to remove? Unfortunately, we have already damaged some panels or stuck them permanently. Therefore, the solution: Stretch-release tape.Read article
Robert Gühne
Robert Gühne
10/26/2025
New Feature: Automatic Rotation and Shake-to-Update
A few new features: Automatic rotation automatically adjusts the display to portrait or landscape mode, and with Shake-to-Update, content can be instantly refreshed by a slight shake.Read article
Robert Gühne
Robert Gühne
8/12/2025
What can go wrong with hardware?
Here is our weekly update on the development: We learn, we deliver: Improved processes, imminent delivery, and first insights into new frameworks & features.Read article
Robert Gühne
Robert Gühne
9/2/2025
With or without glass?
With a few simple steps, you can remove the glass pane of your e-ink picture frame. This reduces reflections and gives you a more natural paper look with stronger contrast: all without tools.Read article
Daniel Böber
Daniel Böber
8/12/2025
How we develop low-power IoT devices: A look at our 7-inch e-paper frame
The design of energy-saving IoT devices focuses heavily on selecting components with low quiescent current and high efficiency to minimize overall energy consumption. A key aspect is the main controller, which has an extremely low standby consumption. Through these measures, the devices achieve a very low standby consumption, enabling long battery life.Read article
Robert Gühne
Robert Gühne
7/12/2025
Automatic door opener on the 3D printer
Learn how we produce 3D-printed housings for an automatic door opener: ideal for scalable productions. Instructions and discussion are included. :)Read article
Robert Gühne
Robert Gühne
7/9/2025
epdoptimize – Open Source Dithering Library for eInk Picture Frames
Our open-source JavaScript library brings realistic colors and high-quality dithering algorithms to eInk displays. Optimized for Spectra 6, AcEP & Co.Read article
Robert Gühne
Robert Gühne
12/10/2024
Reusability and recycling
We have tried to develop the paperlesspaper picture frame with the entire lifecycle in mind. This means that every component can be easily reused or recycled.Read article
Robert Gühne
Robert Gühne
10/24/2024
The different color printing technologies
Color E-Ink technologies have revolutionized the way we experience digital content on energy-efficient displays. From colored e-readers to electronic price tags, these technologies offer a variety of applications. In this overview, we present the key color E-Ink technologies and their unique features.Read article
Robert Gühne
Robert Gühne
9/30/2024
How does e-Paper (eInk) work?
It works by containing millions of microcapsules, each containing two polymer materials, one of which is conductive and the other non-conductive.Read article
 – Raumbeschilderung mit aktuellen Hinweisen
Robert Gühne
Robert Gühne
7/18/2024
E-Paper in der Gesundheitsversorgung
Das Streben nach Digitalisierung verbessert die Effizienz der Arbeitsabläufe, erhöht die Genauigkeit der Kommunikation, mindert das Risiko von Fehlern und verbessert die Patientenerfahrung.Read article