Calculate distance to a certain object using an ultrasonic sensor. It can be used for car distance alerts, security systems etc.

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Through this tutorial I made fire alarm notification System Using Iot technology. wherever you are in the world you can get the notification

In this video I'm gong to show you how to make Esp8266 based IOT Car using your blynk IOT cloud platform

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Calculate distance to a certain object using an ultrasonic sensor. It can be used for car distance alerts, security systems, etc.