ESP8266 (D1 Mini) Reed Switch Enclosure
thingiverse
Here are full instructions and code: http://blog.rniemand.com/monitoring-reed-switch/ This simple reed switch enclosure has a case built specifically for a D1 Mini ESP8266 module accompanied by buck converter, making it ideal to hide inside a roller gate motor while being powered off the 12v battery to provide alerts when it opens.
Download Model from thingiverse
With this file you will be able to print ESP8266 (D1 Mini) Reed Switch Enclosure with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on ESP8266 (D1 Mini) Reed Switch Enclosure.