Quote:
Originally Posted by allieorchidlover
@naoki
Stellar info! Exactly the kind of info I was seeking. I've actually done a couple raspberry PI setups for some kids many years ago. I like that the PI could continuously record years of data without having to dump the data every 20 days as is necessary with SensorPush. May I ask if you're using a specific raspberry PI distribution or app. Perhaps there's an online guide?
To give these Phals the best chance of recovering I went ahead and ordered some Seramis, Hydroton and Urea Free Orchid 20-10-20 Fertilizer (will switch to bloom fertilizer later should these survive)
Also ordered a $15 3-in-1 soil meter to objectively know the soil humidity in addition to PI or SensorPush to keep track of the ambient environment.
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I'm not currently using ESP8266-based loggers. I had ESP8266 (basically arduino + wifi) + DHT22 (RH and temp) in each grow tent/enclosure, and they were reporting to OpenHAB which was running on R-pi via MQTT. Each grow tent/area had one ESP8266+DHT22. R-pi was running Raspberian Jessie. R-pi was a headless, and I was accessing the data via web pages served by R-pi.
Here is the remote monitoring node based on ESP8266 and DHT22 RH/temp sensor (the web uses DHT11, but it is better to go with DHT22), and I started from here:
Meet the Arduino Killer: ESP8266
Here is openhab on Rpi:
Getting Started with OpenHAB Home Automation on Raspberry Pi
I think
domoticz is an alternative to OpenHAB.
Home | MySensors - Create your own Connected Home Experience has lots of cool info.
Here is another possibility:
http://www.raspiviv.com
These are from my notes from 2 years ago, so there are probably better ones.
With regard to the soil moisture meter, it might not be too useful for coarse media. I was attending HOBO online workshop about soil moisture monitoring (I'm a professional plant biologist, and used to use HOBO loggers to monitor soil moisture in the field). I asked if some of their sensors can be used to coarse media like perlite and bark. The researcher from HOBO thought that it needs to be calibrated quite bit, and it would be quite difficult. I think weight based monitoring is probably more accurate. But your hand is probably sensitive enough to gauge the time to water (by weight).
You don't need Bloom-formula fertilizer, and fertilizer is probably the last thing to worry about, and getting the correct amount of light and humidity would be better things to worry about at first.
Linear Mode
