╬╝niversal fire


Open source sensors for hydroponics, saltwater aquariums and pools, water quality, etc.

All sensors are hand-made and tested. Other sensors will be available in the future to include

EC-Salinity Probe

Monitor hydroponic nutrient levels, salinity levels in aquariums or the ocean, saltwater pools, soil salinity, water quality, brewing etc. Any probe can be used, including a handmade one.

ISE Probe Interface

Use any Ion Specific Electrode, pH, ORP, or mV Probe