Garage Door Sensor

thingiverse

This device detects whether or not my garage door is open, recognizing that the door does not always stop at the same place when it rolls up, making a magnetic sensor unsuitable for this task. The friction between the sensor arm and the microswitch roller sometimes causes the arm to get stuck up by the weight of the friction itself. To resolve this issue, I added a nut to provide extra weight that is secured with a small screw. The modified version now features a hole in the sensor arm designed specifically for the screw. Instructions: You might need to tidy up the hole in the sensor arm with a drill bit, depending on your printer's capabilities. I printed using thick shells to allow for this specific adjustment. To assemble this device correctly, apply a small amount of acetone just to the smallest part of the pin. Then, carefully push the pin through the arm into the plate. Make sure not to let any acetone come into contact with the arm itself. You can gently move the arm back and forth as it dries to prevent it from sticking in place.