Upgrade an old Intercom to Open the door

[sihui]

Lot’s of threads to read on this or similar topics:

Anyone who connected a regular "old" doorbell to OH?

All, I have an Elcom (Hager) doorbell / intercom and would like to connect it to openHAB. Anyone who did such a project already? Thanks in advance. Any other suggestions are welcome as well. (I cannot change the doorbell at the door though because it’s in an apartment house).

Cheap video doorbell integrable?

There is a cheap doorbell that home assistant users have running that is made and re-badged under multiple brands including Hikvision, not sure if Openhab users have gotten onto it yet? RTSP and snapshot work, but you can not get button push alerts unless u diy and hacked solution. Edit: Found this idea… Personally I am thinking of using a Dahua/Amcrest/ hikvision camera hidden up out of view that has alarm INPUT and OUTPUT terminals which Openhab can now control with the ipcamera binding…

HOWTO: Integrate doorPi [SIP based Raspberry doorbell] into openHAB

Some time ago, I wanted to have a SIP based doorbell to nicely integrate with my smarthome and while searching, I came across doorPi. With my below described config, one will be able to turn on the lights on your doorPi based on openHAB Astro Binding, have your Alexa say something like “Doorbell is ringing” and hangup when the door is opened. Prerequisits You need to have a up and running doorPi. Instructions can be found here (German only, sorry) https://www.doorpi.org/forum/lexicon/en…

[Solved] Zigbee2mqtt vs "ordinary" zigbee

Hello! First of all please excuse my bad english! I have ordered a CC2531 usb stick and want to add several Xiaomi sensors. Maybe later I am going to order some tradfri, osram or other devices. I want to integrate all of these zigbee devices to OH. As far as I understood there are two possibilities after flashing the stick with the right firmware: use the OH zigbee binding use zigbee2mqtt All of the mentioned devices should work with both variants. So, what ist the benifit of zigbee2mqtt? …

Connecting a conventional doorbell to openhab

This tutorial will show how I connected my conventional doorbell to Openhab in order to monitor when the doorbell button is pressed causing the doorbell to ring and to be able to mute the doorbell. The latest comes in handy when sleeping durig daytime for example when working in night shifts or having young kids. As I have a doorbell which is working as expected I don’t want to change to much to the doorbell, furthermore I also want the doorbell to keep functioning when openhab is not working/o…