[Ryan] also wrote an Arduino library for the MCP3221 so you can easily get your probe up and running. Posted in chemistry hacks Tagged conductivity , conductivity sensor , measurement Search ...

Arduino Nano. Arduino Micro. Arduino uno. Arduino Due. ADC121C_MQ135 NH3 Amonia Benzene Alcohol Gas Sensor. I2C Cable. ADC121C_MQ135: Sensitive material of MQ135 gas sensor is SnO2, which with lower ...

A picture of the complete Arduino stack is shown in Figure 1 with the conductivity probe in a beaker on the right hand side of the image. You may also browse directly to the end of the post where ...

The sensor measures electrical conductivity, which is an indicator of ion concentration, using a nine-electrode array, and processing, developed by Murata to reject variations in contact quality. Also ...