Archive for category: Article

written information about the story, the history or the machine, the background or some technical detail. In general technical info

[Talk] E23 - Talk about Libreflip at the 23rd birthday of c-base

September 6, 2018

I gave a little Talk about the Project on the occasion of the…

The camera problem

April 24, 2017

Up to about 2015 all DIY book scanners used Canon “point’n’shoot”…

Why I am building Book scanners!

March 31, 2017

Why do we need to make book scanners more accessible to everyone? I…

Contribution of Hiroshi Yanagisawa

February 25, 2017

In 2012 I made a proof of concept of a pageturning-mechanism…

Wikimedia is AWESOME

January 7, 2017

I am very happy to announce that the Foundation Wikimedia Germany…

My first (manual) Book scanner

November 12, 2011

When I started to study the field of communication management,…

Latest news

[Video] E33 – Searching reflections! Do I need to rebuild the suction box?October 31, 2019 - 19:58
In this Video, I verify and check that the geometry of the suctionbox is correct by checking if there are visible reflections of the light on a scanned page. Unfortunately a reflection exist, but luckily it is not too much in the way and probably can be moved a bit further. This means that I […]
[Video] E32 – The new Stepper Driver works and I am taking apart the old scanner.October 19, 2019 - 19:14
In this Episode we get the new stepper driver to work and then we decide that Libreflip has to leave the workshop, to be more accessible for the team to continue the software- and firmware development. Because of this, I need to take apart the old book scanner. The old book scanner will continue its […]
[Video] E31 – Exchanging the Stepper Driver and discussing “COTS” vs “Custom PCB”October 7, 2019 - 19:09
In this Episode we exchange the stepper driver from Episode 30 and replace it with a new, much more intelligent stepper driver. Also we discuss, explain and ask for your Input and Opinion on the question of “Consumer-off-the-shelf” vs “Custom PCB”. Support Libreflip! Libreflip has no marketing budget and will never have one. The book scanner […]
[Video] E30 – Will it suck? Will it flip? – We reached a HUGE Milestone!September 17, 2019 - 14:20
In this Episode we chase out some more bugs. We found out that the suction box has still some holes and was leaking. We also found out that the blower fan worked and had the right timing, but was switched off. We also found a solution that works without gravity, tested the counterweight and the […]