Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it difficult to use with Arduino? Analog pH meter, specially designed for Arduino controllers and has convenient and practical "Gravity" connector and a bunch of features
This digital pen style PH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food, beverage etc.This PH meter is highly efficient and accurate due to its advanced microprocessor technology.Big LCD display screen which has great waterproof performance and let you easily read the displayed value....
High Accuracy I2C MAX30105 Particle Optical Sensor Photodetectors Module
Liquid Suspended Particles Turbidity Sensor Detection Module Kit