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    Jake Rye
    @jakerye
    ^ i have not tried that yet
    Rob Baynes
    @rbaynes
    I suggest manually sending the arduino commands to play with what its response is to different pH commands
    Jake Rye
    @jakerye
    will do, thank you sir!
    Rob Baynes
    @rbaynes
    then maybe putting in some debug code to the src.ino sketch to send back a error message with debug help in it. that is how I try to figure out what is going on in arduino land
    feel free to make a GH issue and doc this too
    thank you for the help.
    I am currently running the “hotfix_arduino_handler_node_crash” branch of openag_brain for the test grow.
    you may want to start with that, since there are some other known issues with the AM2315 flaking out and causing the arduino to stop sending data.
    Rikuo Hasegawa
    @sp4ghet
    protip: you can actually send stuff over serial in pio device monitor -b 115200
    just type and hit enter
    Rob Baynes
    @rbaynes
    muy bien @Spaghet
    Rikuo Hasegawa
    @sp4ghet
    I have internet now so I can finally start doing stuff :cry:
    Rob Baynes
    @rbaynes
    How did you survive so long without internet?
    Rikuo Hasegawa
    @sp4ghet
    Like a tardigrade, I create a hard shell and lie dormant
    David
    @davoclavo
    @rbaynes I'm not a github connoisseur, but I think if you make changes to the develop branch they should be automatically picked up by your PR, so you wouldn't have to re-make it
    Rob Baynes
    @rbaynes
    I will try that, @davoclavo, thanks. I just pushed a few minor changes to your PR and now I have to wait for @Spaghet to review them. He is in Japan (and I’m in Boston) so there is a bit of a time lag.
    David
    @davoclavo
    also, let me know if I can provide any help/debugging with the docker build!
    Rob Baynes
    @rbaynes
    Thanks @davoclavo, I’m finishing the testing today.
    David
    @davoclavo
    Hi! I noticed that the UI was trying to fetch images from a url like http://10.0.0.12:80/../img.jpg - after digging through the UI code it seems it was set to that value because of a demo (OpenAgInitiative/openag_ui@a986714). Is there a reason to keep the images being fetched that way? (via nginx+ros image_saver)
    I assume there was a problem by fetching the images from the couchdb document attachments, but I haven't able to figure out the reason.
    Thanks!
    Rikuo Hasegawa
    @sp4ghet
    Heyo, that UI part is definitely a hack. The trouble I had was converting the database document to an image encoding that could be seen in the browser.
    I think we can use the most recent topic type view to fetch the most recent aerial_image file and then view it in the UI if we can view the couchdb document as an image
    David
    @davoclavo
    Cool, thanks for the explanation! I have been able to render image attachments properly on the browser, I wonder if it is because I am using a different camera (and image format) but perhaps something else also changed recently. Anyways, I think reverting those commits for the demo should be enough to get it back running (which would include fetching the latest image). I'll file a PR soon to fix it
    Rob Baynes
    @rbaynes
    Thanks!
    WebbPeter
    @WebbPeter
    It appears that the latest release of Raspian (Stretch) does not have couch db pre-built package for stretch yet. The install scripts dies when it tries to install couchdb (we first noticed this on MVP, but also now when trying to install on openag_brain.

    @rbaynes in your V2.1 release on the Wiki at the bottom of the page under Downloads you have a link to this file: https://github.com/OpenAgInitiative/openag_brain/releases/download/untagged-c9c4f8b8e8bb32840ec3/openag_brain_v1.0.0.tgz

    It is returning a 404 error not found, I'd like to try using your image if you could update that link please.

    Rob Baynes
    @rbaynes
    @WebbPeter thanks, I’ll fix the link
    fixed
    Thieme Hennis
    @hennis_twitter
    hi all, here Thieme from the Netherlands - I'm from the AstroPlant team which is a project we do with the European Space Agency. We talked with Rikuo and Rob yesterday. We may be posting some questions here and hope to contribute to OpenAg (although we currently have a different stack, we look for possibilities for collaboration).
    Rikuo Hasegawa
    @sp4ghet
    :)
    Thieme Hennis
    @hennis_twitter
    PS. we also are planning to open source all our designs, but we still need to figure out what direction we take (RPi, BeagleBone, Arduino yes.no)
    first question: what is the reasoning for not using the DFRobot EC / pH sensors?
    byebye!
    Rikuo Hasegawa
    @sp4ghet
    Not sure if @jakerye still lurks around but pinging him
    Rob Baynes
    @rbaynes
    The decision to switch from the DFRobot sensors to the Atlas ones predates Rikuo and I. I will ask the older team members and get back to you (will take a few days). Please remind me if I forget to post their reply.
    Thieme, this our wiki, which our community members help maintain (but it is mostly us). There is a link on it to our forum too. The device you will be interested in is the Personal Food Computer v2.1 (latest release). That page on the wiki has the link to our github repo and build instructions (hardware and software). https://wiki.openag.media.mit.edu/
    Let me know if I can point you at any other info!
    Thieme Hennis
    @hennis_twitter
    ok thanks
    Jake Rye
    @jakerye
    DFrobot sensors were noisy and unreliable
    SidneyNiccolson
    @SidneyNiccolson
    Hi there, I'm Sidney one of the software developers from the AstroPlant team. I have been investigating EC solutions and have a couple of questions as to why DFrobot sensors are unreliable. Q1 Was there a PH sensor in the system during testing? If so you need an isolation module that is available at their site, which prevents noisy measurements. Q2 there is a calibration procedure to make sure the readings are accurate, did you follow this procedure?
    Rob Baynes
    @rbaynes
    Hi @SidneyNiccolson ! @jakerye is on vacation, so his reply may take some time.
    SidneyNiccolson
    @SidneyNiccolson
    @rbaynes Thanks for letting me know!
    Jake Rye
    @jakerye
    A1 - yes, but they were isolated. A2 - we did follow the calibration procedure....We deployed the sensors in 6 units. Only half of them gave consistent readings. We didn't have much time to go very deep into the sensors so getting a few and seeing what you can do to explore a lower cost solution could be worth the time. A member in the OpenAg community, Rich Klosinsky, dug deeper into a better ph/ec/temp unit. Check it at plantcubed.com/product/openag-phectemp-probe
    Not sure if he's still actively trying to sell the unit, if not you might be able to get the design files from him. Regardless he's a nice guy and worth reaching out to
    SidneyNiccolson
    @SidneyNiccolson
    Thanks for sharing! I'll reach out to grow@plantcubed.com. Any idea why OpenAg PFC has no integration of that unit? Atlas Scientific is high-end, but are in turn quite expensive.
    Rikuo Hasegawa
    @sp4ghet
    We prioritize high quality measurements over cost generally. Also, the atlas sensors are much easier to source since they are mass produced.
    SidneyNiccolson
    @SidneyNiccolson
    I understand @Spaghet
    Rikuo Hasegawa
    @sp4ghet