Linear equation substitution

[manoj_maniyan]

All the questions are cleared. Kindly check this link and one small query is there.

HG-C 1100 sensor

Hi guys, I am using two HG-C 1100 measurement sensor for measuring the width of the metal. In the top of the sensor I will be having the measurement value. The sensor is capable of measuring the dimensions from -35mm to 35mm. So I am using the formula: int First_sample = analogRead(6); int Second_sample = analogRead(7); float First_sensor = (map(First_sample, 1023, 0, -3500, 3500) / 100.0); float Second_sensor = (map(Second_sample, 0, 1023, -3500, 3500) / 100.0); Serial.print(…