All year greenhouse V2.0
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After the V1.0 disaster here we go again..
I was given a polytunnel a couple of years ago, brand new unused. I'm going to try with this for now however a local glazing company have just offered me some windows that were left over from some previous jobs so in the not too distant future I'll do a serious upgrade to a fixed structure that will hopefully not be prone to wind damage. Anyway, for now it's the poly tunnel plus some extra ropes and concrete blocks to hopefully hold it down. The controller stuff.. Since the last greenhouse controller I made a radical shift away from PIC processors to Arduino and then ESP8266 which has built in WiFi. So a completely re-designed and re-written controller was in order. I've used a couple of environmental sensors for light monitoring and temperature/humidity (and for interest atmospheric pressure) with everything now displayed on a web browser in my office. From here I can monitor and control the heating and lighting. Later I'll add watering and temperature control but not until the fixed structure is built. The poly tunnel. The green covering is to both add extra strength and for shading. https://ecorenovator.org/forum/attac...1&d=1580799663 The plant stands are simply concrete blocks and old pallets. https://ecorenovator.org/forum/attac...1&d=1580799663 https://ecorenovator.org/forum/attac...1&d=1580799663 The environment sensors. https://ecorenovator.org/forum/attac...1&d=1580799663 The main status display https://ecorenovator.org/forum/attac...1&d=1580799663 |
Very impressive as usual Actuario! The wifi stuff is so cool. I haven't gotten into any of that yet myself.
What are you all growing in the greenhouse? |
I love the Wi-Fi controls and the monitoring app.
Your Lettuce is looks good. |
Quote:
In the greenhouse at the moment I have sweet peppers, tomatoes, lettuce, runner beans, chilli peppers, rhubarb, onions and cucumbers. I'm hoping to grow lettuce all year and time will tell what else. At the back on the left you can see the grow lights I'm using. |
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Here is a screenshot of the performance during 24 hours, it lets me monitor both the solar batteries and temperature variations in the greenhouse.
It's amazing that in February, typically the coldest month of the year here, the temperature is getting up to 34C. https://ecorenovator.org/forum/attac...1&d=1580968612 |
Here's an update on the greenhouse and future plans..
So far no very strong winds so the poly tunnel is still standing although it is starting to deteriorate. Everything inside is growing like crazy, we have runner beans climbing string guides, loads of tomato plants, lettuce, rhubarb, peppers, cucumbers, pumpkins all coming along nicely and it's only the end of February. Anyway, at some moment we will get strong winds - that's guaranteed so phase 2 is in progress. I've just spent the last 2 days with my builders hat on building the main back wall. Today I'll start the front wall. The orientation is pretty close on south facing so my plan is to have a glass (or equivalent) roof, glass sliding door and 3 big glass windows in the south facing wall. The north wall won't have any windows and will provide shade behind it for the rhubarb. Fortunately a double glazing company that I work with have just moved workshops and have loads of doors/windows left over from various jobs that I can get extremely cheaply. I've chosen sliding windows for all of them so I can hopefully automate opening/closing for ventilation. The plans for heating/cooling I have at the moment are:
I'll update as things progress. Acuario |
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Here is a photo of the plants on 29th February in the existing polytunnel
https://ecorenovator.org/forum/attac...1&d=1583040156 ..and the new greenhouse taking shape.. East facing wall and entrance door https://ecorenovator.org/forum/attac...1&d=1583040186 North wall https://ecorenovator.org/forum/attac...1&d=1583040186 South facing https://ecorenovator.org/forum/attac...1&d=1583040186 https://ecorenovator.org/forum/attac...1&d=1583040186 |
If you end up using some glass panels in the future, make sure they are tempered for safety.
Also consider glazing angle for winter time sun angle. Glass can reflect allot at certain angles unlike plastic that doesn't care. |
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Here is the (almost) finished greenhouse.
I still need to add some of the automation but it is now operational. https://ecorenovator.org/forum/attac...1&d=1583987058 The roof is 10mm polycarbonate panel. The picture shows the blinds down, the two windows have double glazed glass panels behind. The orange colored panel is temporary while I wait for the glass to arrive. |
Looking really great!!
My green thumb is not so good, but I applaud your efforts. Bravo! |
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