| EC_Salinity | Monitor hydroponic nutrient levels, salinity levels in aquariums or the ocean, saltwater pools, soil salinity, water quality etc. |
| ISE Probe Interface | An Ion Specific Electrode Probe Interface |
| Isolated EC Probe Interface | Measure Electrical Conductivity, Total Dissolved Solids, and Salinity |
| Isolated ISE Probe Interface | An isolated Ion Specific Electrode Probe Interface |
| uFire PAR Sensor | Measure photosynthetically active radiation (PAR). |
| uFire SHT20 | Measure atmospheric temperature and humdity. |