Ultrasonic based level alert

Job ID: 35437845

Budget: ₹1,500 – ₹12,500 INR

I want a samll aurdino or esp32 based board with schematic which can generate a alarm if distance above a threshold. I will like to use multiple ultrasonic sensors ( upto 6 ) and if any one of them give reading above a limit it should generate a hooter.

System will work on 12 v dc supply.

Like cost to be lowest.

Work to be done in 1 week with testing.

I will assemble and test unit as per details and guidance provided by developer.