i got a doorbell [Preformatted text](https://www.amazon.co.uk/Legrand-Wireless-Melodies-Battery-Operated/dp/B07BRGCNFN) and i would like to get info to Telegram when someone calls me and i am not at home.
i am planning to use esp8266 module.
Is anyone familiar how to connect the doorbell with the esp8266, please?
These are ready-made products. This is not open source either. I think the only way is to buy one. Open the product and study its PCB. Then you may find a way to modify the PCB and interface that with Arduino or ESP.