tensiometer

Hey folks. How tall should i let an indica plant grow before i flower. I know they don't stretch much so should i veg it longer? I guess my question is whats the perfect height of an Indica when it finishes?

Besides growing cannabis, one of my other hobbies is Arduino. This is a cheap and easy to use microcontroller board which can be used to automate all kinds of things. https://www.arduino.cc/ I’m constantly thinking of new things I can do with the Arduino and perhaps my experiments can be a...