How to build a stunning high-end 32 inches 4K digital photo frame with the Raspberry Pi 4
If you love photo art and you want to enjoy it in the best possible way, your will one day end up with a 4K digital frame. Here is how to build it yourself.
Raspberry Pi
My practical cheat-sheet to enter 8 often used raspi-config settings with simple terminal commands
Using the command line instead of the GUI can be a big time-saver especially for repetitive tasks. Here is my shortlist to replace the “raspi-config” menu with the command line.
How to save power by adding a PIR motion sensor to your Raspberry Pi digital picture frame
Learn about the different types of PIR sensor hardware and get a complete Python script to automate display on/off.
A step-by-step guide on how to back up the SD-card of your Raspberry Pi while it’s running
No more powering down a Raspberry Pi and taking out the SD-card to make a backup image. Discover Hot-cloning!
Using Syncthing to synchronize files between your Raspberry Pi and Mac/PC/Linux computers
If you don’t want a cloud-based Dropbox solution, nor pay for a full Resilio license, have a look at Syncthing, the great file synchronization app from Sweden. It’s even free.
What to do when you get the warning message “REMOTE HOST IDENTIFICATION HAS CHANGED” from your Raspberry Pi
Here is the solution that you stumble upon only now after spending hours trying to decode this strange error message.