that’s a good response. I will be saving this information. I have looked into atlas scientific for their probes and That’s where my question stemmed from. Their lab grade probes are decently expensive, especially for EC. I haven’t looked into ESP32, just arduino and raspberrypi (which are tough...
PH and TDS probes alone will run $150-$450. Are saying the board will cost $300 + the cost of probes?
A quality C02 meter is about $60 too. I’m interested if you can give me a list that’s $300 or less for everything.