DIY Radar system + buzzer
We can see on news that wild animals are causing damage to paddy fields, resources of human a sometimes it causes affects to human also so here is a small idea to detect animals or anything else.
#arduino
You can see so many radar systems based on Arduino, other then that kind of radar system. Here I used buzzer when any object would be detected by ultrasonic sensor this buzzer will simulate its sound with different frequency. When the object would on the vision of Ultrasonic sensor. We can find the object's distance,angle of location through our screen.
full details:https://blackkeyholelk.blogspot.com/2...
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