1PC NEU Suitable for UNO analog TDS sensor water conductivity sensor #YT

1PC Turbidity sensor/Water Quality Detection/Liquid turbidity module #TT

1PC Turbidity sensor module Water turbidity detection module #YX

TS-300B High Quality Turbidity Sensor Detection Module Water Quality

1PC NEW Digital + analog detection LM386 voice-activated switch sensor module

Water Conductivity Analog TDS Sensor Module Tester Waterproof Probe Liquid

1PC Analog decibel detection LM2904 Sound Intensity detection Module #TT

1PC NEW Digital + analog detection LM386 voice-activated switch sensor module