Hi, I have the experience to work on Arduino Bell with Electro-Mechanical lock, Camera and Database.
Please confirm me what is the main purpose of this doorbell and what you want to store in SD Card, because every client has the different requirement with SMART DoorBell that's why I am asking.
Here is the project I have done on SMART DOORBELL recently.
- With Camera and Electro-Mechanical Door Lock in which the Some known images are placed in the database. when the same image relative or friend come at the door then the door is automatically unlocked.
I want to discuss more with you about the project.
You can send me to message any time.
Thanks,
Chanchal K