Smart HomeHome automation your way
There are things you should know about IKEA Tradfri before you make your purchase
While you could wake up your PC from a mobile directly, having a dedicated server capable of doing so is the best solution. The reason is simple. You can hook up as many devices as you wish with a single endpoint. This is why Raspberry Pi is perfect for this.
Flash CC2531 in 3 minutes without the CC Debugger
Marlin 2.0 guide to Ender 3 v2 upgrades including all metal hotend, BL Touch, and filament runout sensor
Making a filament runout for Ender 3 v2 from a Z-stop + Marlin 2.0 guide
Thankfully, adding BT Touch to Ender 3 v2 is so much easier - here are all steps to consider