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 snaguy
27 Jun 2011, 20:32
Forum: Software
Topic: Converting to File Formats
Replies: 2
Views: 1742

Re: Converting to File Formats

Obscure like spelling obscure without the 's'!

It is nice you are thinking of your friend.

OCR is not necessary to create a PDF.

If you do OCR your document you will be able to use text to speech functions so your friend can have Stephen Hawking read for them!
by snaguy
27 Jun 2011, 20:17
Forum: OCR/Optical Character Recognition
Topic: OCR- Do I need it?
Replies: 4
Views: 4818

Re: OCR- Do I need it?

http://en.wikipedia.org/wiki/Optical_ch ... ecognition

Do you need to search the document?

Without processing your images with OCR you will not be able to search or select the text.
by snaguy
23 Jun 2011, 21:58
Forum: Scanners and Build Threads
Topic: What is a platen?
Replies: 3
Views: 12657

Re: What is a platen?

I the case of a flatbed scanner, photocopier, or MFD (Multi Function Device) the glass where you place the document is the platen. With the DIY book scanners they are using two pieces of glass/plastic in a V shape (or one piece bent into a V shape) to accommodate an open book in a V shaped cradle. T...
by snaguy
14 Jun 2011, 01:29
Forum: Cameras and Electronics
Topic: connecting two cameras to one tv screen
Replies: 1
Views: 2959

Re: connecting two cameras to one tv screen

PIP (Picture in Picture) Most TV's have limitations with PIP inputs, Analogue plus an AV, Digital and Analogue. Workaround by putting one camera into an AV RCA input, second camera use an adapter RCA to TV Aerial. http://www.jaycar.com.au/productView.asp?ID=LM3873 Then use the PIP to display both. T...