Scan with raspberry pi, convert with aws lambda to searchable PDF
I have long dreamed for a setup which lets me just press the scan button on my scanner and — without any further input — uploads it as a searchable PDF onto some cloud drive. Thanks to the good support of scanners by SANE and the ease of use of AWS lambda it’s actually quite easy (judging to the length of this post it looks like quite a task, but in the end it is straightforwards and is — surprisingly — quite free of hacks).
In this solution you:
set up SANE on your raspberry pi 3 so it scans your document
set up scanbd to detect the scan button
set up a S3 bucket for uploading
set up a lambda function which uses tesseract to create a searchable PDF
(optionally) set up google api to store the PDF to google drive
What you need:
Raspberry Pi 3 (I guess the other models serve equally well)
Paper scanner with a “scan” button which is supported by saned
an AWS account
Personally I’m using Raspbian Stretch Lite as OS on my Raspberry and a Fujitsu S1300i.
Before you start: you might just want to wipe your pi and start fresh. Takes you about 15 minutes extra, you can follow my howto so you can do that headless (without attaching monitor/keyboard to the pi).
This page is a straight chronology of web development history. Almost every post published on WDH is focused on a specific year, so you can read through them year-by-year if you wish. There is also…
Today we are going to have a look at 4 different applications of Perspective Tools in Affinity Photo.
You can use them in a wide variety of ways, not just for perspective correction, but also to create new compositions or put new things into your photos. Make photos more dramatic or bring back the zen of a easy situation. So many possibilities.
Support me on PATREON and get my Affinity Photo File with all layers as a Thank You:
https://www.patreon.com/sarikas
Find me on Steemit:
https://steemit.com/@multi4g
Photos used:
https://unsplash.com/photos/Zkb2HcxTZXM
https://unsplash.com/photos/V9keLsAtxyA
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