If you want to know more about this project, you can visit the following blog post:
English: https://www.cyberhades.com/en/2018/09/19/controlling-your-garage-doors-with-an-esp32---part-1/
Spanish: https://www.cyberhades.com/2018/09/20/controlando-las-puertas-de-un-garaje-con-un-esp32---parte-1/