Week 5
- Nadhirah Halim
- Aug 21, 2020
- 1 min read
Updated: Dec 17, 2020
Date: 17/8/20 - 21/8/20
Testing pH Sensor
Objective:
To test pH sensor functionality.
Activity:
Lime juice used to obtain experimental data.

The figure below is pH scale range and examples.

and the circuit connection for pH sensor with NodeMCU.

Conclusion:
The pH sensor has slightly miscalculated the reading where sometimes the reading up to scale 5.
Comments