I have a dumb doorbell which I wanted to make smart so I get messages on my phone including a picture from the camera. I was using a Xiaomi vibration sensor which I sticked to my chime, but there always was a delay and when someone only pushed the doorbell button very short it doesn’t (always) work. After some research I found that a Shelly 1 would be able to do the job, but couldn’t find a connection diagram for this. After some help from the Dutch Tweakers forum and the Shelly Support site I
Contact Sensor for Doorbell - Hardware - Home Assistant Community
Make a dumb doorbell smart with Shelly 1 - Share your Projects! - Home Assistant Community
Adding notifications to dumb push-button doorbell without neutral wire - Hardware - Home Assistant Community
Made an up-to-date diagram of my smarthome and media management configuration centered around my DS918+. Questions are more than welcome. : r/synology
Make a dumb doorbell smart with Shelly 1 - Share your Projects! - Home Assistant Community
Home Assistant Using a Shelly PM1 to make a dumb device smart
Making a doorbell smart using a Shelly 1 and Home Assistant
Make a dumb doorbell smart with Shelly 1 - Share your Projects! - Home Assistant Community
Shelly One WIFI Switch - Scargill's Tech Blog
Make a dumb doorbell smart with Shelly 1 - Share your Projects! - Home Assistant Community
Making a doorbell smart using a Shelly 1 and Home Assistant