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Hi there so i learned that for temperature sensor i can use this form of circuit

ID: 2291017 • Letter: H

Question


Hi there so i learned that for temperature sensor i can use this form of circuit with Thermostor (RT) and do certain calucalations to find the min RT and max RT to when i can have a certain out put for voltage And if i want to do for example for light sensor i would use the same circuit but instead of Thermostor i will use didfferent component.

So my question if i want to do for turbidity sensor and volumetric flow sensor what component i will have to replace?
By the way my Vin i can change it but my output that will be analog will still have to be between 0-3.3 V
VIn004 5ms 6ms 7ms 8ms ms is tran 15m V2 RT U1 3.3meg 3.3 LT1 V1 3.3 100k 3.3 10K 1K Vref 1.5

Explanation / Answer

If you are using tutbidity sensor you need to replace Vin by the output of the sensor for example of turbidity sensor it gives the output in range of 0 -5 v DC so that will be replaced by the Vin Here Gain is 10 so ypu need voltage divider network similar to avove circuit only Vin replaced by Sensor output voltage and Rt replaced by normal resisitor.

The output Vout will be 0 to 3.3V because the supply Vcc & Vee is restrictes to 3.3 to 0 v respectively.

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