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Op Amp

Op-Amp circuit for implementing the FSR and PS sensors. The output of the op-amp circuit can be adjusted to provide 0-5V output depending on the force or pressure on the sensor. Resistance values used in the circuit change depending upon the sensor. See Chart Below


Flex Sensor        PCB Board

Interlink
V1 Pot. Value
R1 Value
FSR-400
20 K-ohm
10K
FSR-402
20 K-ohm
2.2K
FSR-406
20 K-ohm
1.0K
Flexiforce
V1 Pot. Value
R1 Value
PS-01
500 K-ohm
470K
PS-02
500 K-ohm
1 Megaohm
PS-03
500 K-ohm
220K
Flex Sensor
V1 Pot. Value
R1 Value
FLX-01
20 K-ohm
2.2K

Schematic


OP-01 - $28.95
Op-Amp Kit (PCB & components)