monitoring

What is everyone using to monitor their growing environment? I am looking for something that I can keep a check on my humidity and temps from my phone and remotely turn on or off fans, lights, etc. I've found sonoff and it is cheap enough. I am considering the 4 channel pro for switching needs...

Hey Everyone, I am wondering if anyone has any suggestions of Data logging and monitoring equipment for grow rooms. What I am looking for is a device that measures humidity, temperature, co2 that has data collection that can either be connected wifi or cat5 cable to a computer or network for...