Calculate distance to a certain object using an ultrasonic sensor. It can be used for car distance alerts, security systems, etc.
Never miss anyone at your door! A system that notifies your phone and email whenever someone presses the doorbell.
A system that keeps you updated about the happenings of your house in your absence.The display is shown on your mobile.
Easy way to unlock and Lock door with Blynk app. Also, I will add code for to Lock & Unlock door by RFID and fingerprint sensor. 3 in 1.
Calculate distance to a certain object using an ultrasonic sensor. It can be used for car distance alerts, security systems etc.
Every time a movement is detected by the sensor, a message is sent to a smartphone anywhere in the world!
Where did I leave my phone? Push a Button and an email will be sent giving you the Geolocation of your phone.
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