by Jannik Arndt
Apples Time Machine is a great backup solution, you only have to do one thing: Connect your disk from time to time.
Since that is way harder than it sounds, there’s a second option: Buy a 329€ Time Capsule and do backups over wifi!
That’s too expensive? Here’s how to build your own Time Capsule with a Raspberry Pi 3 and an external hard drive.
Sonoff takes the standard ESP8266 chip and adds two things:
Unfortunately, the second addition also means that all communication goes through Sonoff’s servers. Here’s how to get rid of that. Without soldering or connecting anything.