Indoor Grow Room with Raspberry Pi + sensors

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I'd like to set up an automated grow system using the raspberry pi. I don't really have a plan as much as a bunch of spare parts I need to find a use for. I'm excited to see what it turns out to be.

I've been working exclusively with JS for the past couple of years and haven't touched python in awhile - I'm excited to get back into it.

This is a work in progress - I will update the logs as I go.

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  • MobaXterm Community Edition

    Geek Centric2 days ago 0 comments

    I've been using mobaXterm community edition to remotely access the pi and have become a huge fan of all the features it gives me. With the shell it also gives me a GUI to explore the folder tree and I just found out if I save a picture made from matplotliblibrary I can click and view it through mobaXterm - Really cool. 

  • Found a DHT22 sensor

    Geek Centric3 days ago 0 comments

    Awesome - I found a DHT22 laying around. The DHT22 is a more precise version of the DHT11 it will replace. Since this meant I needed to change the code I decided to do a refactor.

  • first commit

    Geek Centric4 days ago 0 comments

    I hooked up the raspberry pi to a monitor mouse + keyboard for first time setup. I followed the steps on the adafruit setup guide for circuit playground and it set up a lot of what I needed it to.

    Adafruit setup guide:

    Things I had to set up:

    • Do not login automatically as `pi`
    • change host name from default `raspberrypi`
    • reset password
    • login to shell (I plan to use ssh mainly)

    Future development:

    • I want to get a camera set up in the room.
    • I want to have a 24 hour graph made with current info. Each 24 hour period should be saved to a folder with its name as it's date.
    • I want to use a capacitive moisture sensor from Adafruit to get soil moisture levels
    • I want to hook up a pump and reservoir for automated watering


    I need to set up ventilation. Right now I open the tent when the lights are off. I'm looking at blower fans for around 70 dollars. I'd like to program the pi to work with a relay and turn the fan on for about 20 minutes then shut them off for an hour - and repeat. 

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Simon Merrett wrote 4 days ago point

What are you growing? 

  Are you sure? yes | no

Geek Centric wrote a day ago point

Testing with random house plants for the time being. Eventually I will use it for veggies.

  Are you sure? yes | no

Simon Merrett wrote 20 hours ago point

Don't be too disappointed if the houseplants aren't too responsive to your intensive care for them. They are often selected for "domestication" because they are slow growing and used to shady spots.

Do you have free / cheap electricity? I have heard people making a case for photovoltaic conversion from broadband sunlight to specific grow light frequencies is more efficient in growth terms than direct sunlight. 

Why do you need air filtering? 

  Are you sure? yes | no

Geek Centric wrote an hour ago point

I need air movement more than air filtering. I was told that without it I can attract white flies. 

Solar has gotten so cheap Id love to get it set up in my workshop. It's been talked about a few times but I have a few projects to settle before getting solar up.

I'm going for 70 - 80 degrees, well ventilated, and 5-6000 lumens per square foot (3 x 3 tent)

  Are you sure? yes | no

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