An ESP8266-based WiFi doorbell sends SMS messages
On-line shopping has changed the way goods are acquired. For most packages it is not necessary to be around for…
Doorbell With Face Recognition
The doorbell system is mainly designed for elderly or vision-impaired persons and is pretty straight-forward in its workings. In short,…
Smart-Doorbell
https://youtu.be/kSxJwWPEe6g This is a doorbell with smart functions. It does sound like a regular doorbell when you press the button,…
Coronavirus Doorbell
It seems that writer Dean R. Koontz was right and Coronavirus pandemic is spreading at high speed. Using airports method,…