Daniel Reetz, the founder of the DIY Book Scanner community, has recently started making videos of prototyping and shop tips. If you are tinkering with a book scanner (or any other project) in your home shop, these tips will come in handy. https://www.youtube.com/channel/UCn0gq8 ... g_8K1nfInQ

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by jck57
06 Oct 2017, 08:51
Forum: Scanners and Build Threads
Topic: Archivar - wooden scanner based on Archivist
Replies: 22
Views: 2549

Re: Archivar - wooden scanner based on Archivist

Nice O-Ring fastener idea. Good find on the cheap tool balancers. I paid three times as much for the one on my lastest scanner.
by jck57
12 Sep 2017, 10:23
Forum: Scanners and Build Threads
Topic: Two cameras in a cube of plexiglass (inverted design, ≈ 1000 pp/h)
Replies: 7
Views: 1749

Re: Two cameras in a cube of plexiglass (inverted design, ≈ 1000 pp/h)

Simply brilliant. I would love to see details of your lighting set-up and a video of your scanning operation. Thanks.
by jck57
16 Aug 2017, 09:38
Forum: Scanners and Build Threads
Topic: Which one is better? Platen's angle 100 or 90 degree?
Replies: 29
Views: 2675

Re: Which one is better? Platen's angle 100 or 90 degree?

Yeah, I want the 90 degree cradle for the same reasons. Once you get your cameras set up for the lights, you could have the individual lights fire just as their corresponding cameras fire, almost like flashes.
by jck57
15 Aug 2017, 10:53
Forum: Scanners and Build Threads
Topic: Which one is better? Platen's angle 100 or 90 degree?
Replies: 29
Views: 2675

Re: Which one is better? Platen's angle 100 or 90 degree?

How about synchronizing and sequencing the lights and cameras? Camera 1 fires with only the RH light on. Camera 2 fires with only the LH light on.
by jck57
14 Aug 2017, 11:28
Forum: Scanners and Build Threads
Topic: Which one is better? Platen's angle 100 or 90 degree?
Replies: 29
Views: 2675

Re: Which one is better? Platen's angle 100 or 90 degree?

Could you instead of raising the height of the light source, simply put a shade or baffle between the light source and the books so that light falls only on the pages? The problem isn't that the light hits the the "outer" portion of the platen that isn't covering the actual page (you can zoom-in wi...
by jck57
04 Aug 2017, 12:04
Forum: Scanners and Build Threads
Topic: Which one is better? Platen's angle 100 or 90 degree?
Replies: 29
Views: 2675

Re: Which one is better? Platen's angle 100 or 90 degree?

Could you instead of raising the height of the light source, simply put a shade or baffle between the light source and the books so that light falls only on the pages?
by jck57
17 Jul 2017, 22:29
Forum: Scanners and Build Threads
Topic: semi-auto scanner 2017
Replies: 3
Views: 1172

Re: semi-auto scanner 2017

reproman wrote:
05 Jul 2017, 01:37
Drawer slides and vibrator chair drive and wood, etc
I like this, especially the way the platen drives the cradle down to a set point so the cameras are always focused. Got any more video?
by jck57
24 Mar 2017, 22:34
Forum: Scanners and Build Threads
Topic: Commercial Full Auto Book Scanner
Replies: 2
Views: 1113

Re: Commercial Full Auto Book Scanner

Thanks dpc for your excellent reply. Yes, post-processing software is important. I have no experience or ability in this area. Either the user would have to resort to free software or somebody else would have to produce the software to go along with the machine. Quiet air compressors are available a...
by jck57
23 Mar 2017, 21:00
Forum: Scanners and Build Threads
Topic: Commercial Full Auto Book Scanner
Replies: 2
Views: 1113

Commercial Full Auto Book Scanner

I'm trying to decide whether or not to build a full auto scanner to sell. It would be a more streamlined table top version of this : https://forum.diybookscanner.org/viewtopic.php?f=14&t=2776&start=40. The scanner's robotic actuators would still be powered by compressed air so it would require a sep...