February 01, 2023 by CIRCUITS DIY
We all have sure observed that our phone display turns off during phone calls when we put it near our ears.
We all have sure observed that our phone display turns off during phone calls when we put it near our ears. So, do you ever wonder how does this happen???
It is not a hi-tech thing but a simple IR sensor to detect the obstacle near the phone we are also making the same project in this article, we are going to make an “Obstacle Detector” with an Infrared IR Sensor and ATmega328p Chip. This commonly used IR Sensor can also be used as Line Follower Robot we will discuss that later. Let’s start making it a simple Obstacle Detector.
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You will require the following hardware to make this obstacle detector.
