Arduino based swimming pool pH monitor and pump controller.
This project measures the pH of pool water as it passes the pump and injects a pH reducer if the pH is too high. The pH tends to rise when it is used and also over time. The ideal pH is 7.2.
- Arduino Uno
- LCD display with four buttons
- RTC (DS1302 chip)
- pH monitor board
- Relay
- Peristaltic pump
- Temperature and humidity sensor
- 12V Power supply