https://www.amazon.com/gp/product/B07CWLZWHP https://www.amazon.com/gp/product/B07CWLZWHP It's a cheap generic magnetic sensor, not specifically for garage doo

https://www.amazon.com/gp/product/B07CWLZWHP https://www.amazon.com/gp/product/B07CWLZWHP It's a cheap generic magnetic sensor, not specifically for garage door. I used the small door hinge trick to adapt it to the garage door. https://www.youtube.com/watch?v=o49xC-AXY9w https://www.youtube.com/watch?v=o49xC-AXY9w