Fix BTT smart filament sensor links (vendor changed them on me)

articles/my_setup.md

@@ -19,7 +19,7 @@ Voron V2.4 350mm (with some V2.2 parts still on it)
  - Honestly I'd stick with the OMC motors from the sourcing guide. Didn't get much quality increase out of the upgrade to 0.9° motors, just lower speeds :clown_face:
  - Single Hiwin MGN9 rail on X
  - [:page_facing_up: Genuine Gates brand pulleys/idlers](https://www.filastruder.com/search?type=product&q=gates) in gantry
- - [:page_facing_up: BTT Smart Filament Sensor](https://www.amazon.com/BIGTREETECH-Filament-Sensor-Detection-Printer/dp/B07Z7Y5VY9)
+ - [:page_facing_up: BTT Smart Filament Sensor](https://www.aliexpress.us/item/2255800154703522.html)
 - **Mods**
  - [:page_facing_up: Euclid](https://euclidprobe.github.io) (using Klicky macros) w/ [:page_facing_up: auto z calibration](https://github.com/protoloft/klipper_z_calibration)
  - Chamber thermistor

articles/useful_macros/pause_resume_filament.md

@@ -61,7 +61,7 @@ Some things are commented out that rely on other macros. You can uncomment them
 
 ---
 
-*I use a [:page_facing_up: BTT Smart Filament Sensor](https://www.amazon.com/BIGTREETECH-Printer-Filament-Detection-Detector/dp/B07Z97582P), and highly recommend it, as it can catch skipping and jams, not just runouts. It has saved a *lot\* of prints for me, often due to partial nozzle clogs that are causing extruder skipping. Just **don't forget the pullup on the pin (`^`)!!\***
+*I use a [:page_facing_up: BTT Smart Filament Sensor](https://www.aliexpress.us/item/2255800154703522.html) (also on Amazon), and highly recommend it, as it can catch skipping and jams, not just runouts. It has saved a *lot\* of prints for me, often due to partial nozzle clogs that are causing extruder skipping. Just **don't forget the pullup on the pin (`^`)!!\***
 
 ### Pause