Sensors

 Temperature Sensor

Gikfun DS18B20 Temperature Sensor Waterproof Digital Thermal Probe Sensor for Arduino (Pack of 5pcs) EK1083

Guide: https://randomnerdtutorials.com/guide-for-ds18b20-temperature-sensor-with-arduino/

Arduino Library: https://www.arduino.cc/reference/en/libraries/ds18b20/

SparkDallasTemp           https://build.particle.io/build/64baa98551b7b00009ec0b08/preview 

Total Dissolved Solids(TDS) Sensor

KEYESTUDIO TDS Meter Probe Water Quality Monitoring V1 Sensor Module with XH2.54-3Pin Jumper Wire Connector for Arduino

Tutorial: https://wiki.keyestudio.com/KS0429_keyestudio_TDS_Meter_V1.0

Turbidity Sensor

KEYESTUDIO Turbidity Sensor Module V1 for Arduino,Water Quality Monitor Particles Water/Liquid Turbidity Level Tester

https://www.keyestudio.com/products/keyestudio-turbidity-sensor-v10-with-wires-compatible-with-arduino-for-water-testing

https://wiki.keyestudio.com/KS0414_Keyestudio_Turbidity_Sensor_V1.0

Conductivity Sensor

pH Sensor

PH Sensor for Arduino, PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC, PH Sensor UNO, PH Sensor Arduino Kit, PH Sensor Raspberry Pi Kit, by HQ&LP

KEYESTUDIO Pm2.5 Dust Sensor Pm2.5 Air Particle Monitor for Arduino Mega Controller R3 Nano Micro Pro Mini

https://www.arduino.cc/reference/en/libraries/sds011-sensor-library/

 

DF Robot Pressure Monitor 
https://wiki.dfrobot.com/Throw-in_Type_Liquid_Level_Transmitter_SKU_KIT0139