If you are interested in building a OpenSpaMonitor please contact me brian.huebner@gmaildotcom. Kits will be available.
SpaSitter Delux: pH, ORP and Temperature sensor with Nanode Classic:
- High quality pH probe for extended use, gel reference solution for high temperature resistance
- High quality ORP probe for extended use, gel reference solution for high temperature resistance
- Water proof temperature sensor
SpaSitter Classic : pH and Temperature sensors with Nanode Classic:
With 4.7 k Ohm resistor and proto board