ENVIRONMENT & ENERGY
Water Quality Comparison Demo
Compare water samples using pH, conductivity/TDS and temperature sensors.
LevelCollege / Intermediate
Duration3 Weeks
Components₹2,000–₹4,000 CodingMedium
Project overview
Compare water samples using pH, conductivity/TDS and temperature sensors.
Compare water samples using pH, conductivity/TDS and temperature sensors.
Components / materials required
✓ESP32/Arduino
✓pH sensor module
✓TDS/conductivity sensor
✓Temperature sensor
✓Display
What the project demonstrates
✓Multi-sensor comparison
✓Sample logging
✓Dashboard/chart optional
Suggested build plan
01
Calibration
Calibrate available sensors.
02
Sample testing
Measure multiple water samples.
03
Comparison
Present readings and limitations.
Learning outcomes
✓Use multiple water sensors
✓Understand calibration
✓Compare sample data
✓Discuss measurement uncertainty
Safety / important note
Do not claim potability or medical safety from hobby-grade sensor readings.