I want to create a reservior filling system using ultrasonic sensor. I have created the project and its working fine by pre feeding the upper limit height and lower limit height of the reservior, but I want a system in which I just input the height of the reservior by matrix keyboard, and the system…

Sensor Data Input

kishalay April 15, 2018, 7:46am 6

I don't have any data sheet it's a simple 8 wire matrix keyboard

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