One website only

I understand what you're trying to do, but I can't see it being practical. I certainly wouldn't put my card details into such a system.

Have you though about a printed poster with a QR code directing to the donation site? Far fewer overheads and donors use their own devices (and data plans). Not as 'high tech', but less opportunity for things to go wrong. If you want to tart it up a bit, have a slideshow running on an offline RPi.

This is an EXCELLENT idea! Which transfers the risk to the donors phone!

@nlinecomputers I need to go through that tutorial more, but caution... linux needs patched too. And those little pi projects tend to turn into yet another IoT device with all the headaches that go with it.

*Edit* yep, tutorial neglected the cron job to run apt update && apt upgrade like it asks for in the beginning. Also anyone that's used Untangle's physical console can tell you how annoyingly limited Chromium is in that context. It does strange things, and just flat doesn't work for many websites.
 
This is an EXCELLENT idea! Which transfers the risk to the donors phone!

@nlinecomputers I need to go through that tutorial more, but caution... linux needs patched too. And those little pi projects tend to turn into yet another IoT device with all the headaches that go with it.

*Edit* yep, tutorial neglected the cron job to run apt update && apt upgrade like it asks for in the beginning. Also anyone that's used Untangle's physical console can tell you how annoyingly limited Chromium is in that context. It does strange things, and just flat doesn't work for many websites.
All true. I personally think that the QR, as I also suggested, is the better idea. Simply put, people are not likely to trust some random kiosk asking for my credit card. Doesn’t matter that it’s in my church or whatever.
 
We use google chrome in kiosk mode for one of our web based POS systems.
Yes it can be bypassed, but it has never been a problem yet.
Just add —kiosk to the shortcut along with the URL you want to display. Put it in the startup folder.
 
You're right, of course, but for the OP's case, an offline slideshow may be sufficient. Unlikely to need real-time changes, so update the slides on a USB drive and reboot. I can recommend Binary Emotions Pi slideshow, in USB mode, for example.

Thanks for this, that project is exactly what I need for someone else!
 
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