This is diagram of TDS sensor , i want to know why op-amp a is used as attenuator?
What can be the possible benefit?
I am using this sensor.
https://www.dfrobot.com/wiki/index.php/Gravity:_Analog_TDS_Sensor_/_Meter_For_Arduino_SKU:_SEN0244
What can be the possible benefit?
I am using this sensor.
https://www.dfrobot.com/wiki/index.php/Gravity:_Analog_TDS_Sensor_/_Meter_For_Arduino_SKU:_SEN0244
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