Publication Year

References

Area of Study

Parameters monitored

Controller used in system

Communication unit

2013

[37]

Water monitoring

pH, temperature, turbidity

PIC 16F877A

RF module

2014

[38]

pH, temperature, Flow, Conductivity, turbidity

PIC 16F877A

Zigbee module

2015

[39]

pH, Conductivity, turbidity

PIC16F877A

RF module, Zigbee module

2015

[40]

pH, temperature, turbidity, level water, Leak detection

PIC16F877A

Zigbee module

2016

[41]

pH, temperature

Arduino

Zigbee module,

2017

[43]

pH, temperature, dissolved oxygen

Not specified

Zigbee module

2017

[44]

pH, temperature, dissolved oxygen, Turbidity, Ammonia, Nitrate

Not specified

Zigbee module,

Wi-Fi module

2017

[45]

temperature, flow, pH, conductivity, The Oxidation Reduction

PIC32MX220F032B

Zigbee module

2017

[46]

pH, Conductivity, turbidity, water level

TICC3200

Wi-Fi module