Number of Needle: 2 Total Length: 60cm Connection Interface: XH2.54-2P Color: White Waterproof Probe Connections TDS Sensor Arduino GND GND VCC 3.3V Data A0 (or any other Arduino analog pin) ...

TDS automatic data collection was designed based on a sensor and Arduino board using red laser beam communication. The sensor was calibrated by measuring 4 different water solutions using a commercial ...