EPS@ISEP | The European Project Semester (EPS) at ISEP

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
report [2017/06/18 19:28] – [9.4 Project Conclusion] team4report [2017/06/27 19:23] (current) – [7.4. Internal Systems] team4
Line 1711: Line 1711:
 <WRAP centeralign> <WRAP centeralign>
 <figure wintercoverfoldingexplanation> <figure wintercoverfoldingexplanation>
-//Picture Antonio//+{{:winter_cover_folded.jpg?500|}}
 <caption>Winter cover folding explanation</caption> <caption>Winter cover folding explanation</caption>
 </figure> </figure>
Line 1748: Line 1748:
 <WRAP centeralign> <WRAP centeralign>
 <figure systemschematics> <figure systemschematics>
-{{:system_schematics.png?700|}}+{{:system_schematics.jpg?800|}}
 <caption>System schematics</caption> <caption>System schematics</caption>
 </figure> </figure>
 </WRAP> </WRAP>
  
-=== 7.4.3 Water Level Warning System === +=== 7.4.3 Flowchart === 
-The team decided to use a float sensor to check the water level on a certain (critical) point. If the water level goes lower than this point, the control system activates a red warning LED light. This red LED light informs the user about the low water level inside the water tank, so they can fill the tank manually with water. The float sensor is fed separately from the Arduino Uno. This way the float sensor is always working, even if the power switch is inactive.  Figure {{ref>floatvalvesystem}} shows how this system works.+Figure {{ref>flowchart}} shows the general flowchart of the different systems that are controlled by the internal system. 
 + 
 +<WRAP centeralign> 
 +<figure flowchart> 
 +{{ :flowchart.jpg?800 |}} 
 +<caption>Flowchart</caption> 
 +</figure> 
 +</WRAP> 
 + 
 +The detailed working of these different systems will be described further in this chapter. 
 + 
 +=== 7.4.4 Water Level Warning System === 
 +The team decided to use a float sensor to check the water level on a certain (critical) point. If the water level goes lower than this point, the control system activates a red warning LED light. This red LED light informs the user about the low water level inside the water tank, so they can fill the tank manually with water. The float sensor is fed separately from the Arduino Uno. This way the float sensor is always working, even if the power switch is inactive. 
 + 
 +To prevent rainwater overflowing the water tank, the team decided to use a floating valve, which blocks the entrance of the water supplie from the rainwater collector. Figure {{ref>floatvalvesystem}} shows the system of the floating valve.
  
 <WRAP centeralign> <WRAP centeralign>
Line 1763: Line 1777:
 </WRAP> </WRAP>
  
-To prevent rainwater overflowing the water tank, the team decided to make a hole at the top of the water tank. This way, if the water tank is to full, the water will flow out of the tank. +=== 7.4.5 High Temperature System === 
- +The temperature sensor will sense the temperature and print the value on the monitor. It works together with the rain sensor. When it's not raining and the temperature is below 30°C, the motor will be activated and the summer cover will open. This way the plants warm up and get their solar energy. The opening of the summer cover will be printed on the monitor. When the temperature starts to rise above 31°C and it's still not raining, the motor will turn the other way around and the summer cover will close again. This way, shadow is provided to the plants. The closing of the summer cover will be printed on the monitor as well.
-=== 7.4.4 High Temperature System === +
-The temperature sensor will sense the temperature and print the value on the monitor. It works together with the rain sensor. When it's not raining and the temperature is below 30°C, the motor will be activated and the summer cover will open. This way the plants warm up and get their solar energy. The opening of the summer cover will be printed on the monitor. When the temperature starts to rise above 31°C and it's still not raining, the motor will turn the other way around and the summercover will close again. This way, shadow is provided to the plants. The closing of the summercover will be printed on the monitor as well.+
  
 The activation of the motor were set on the temperatures 29°C and 32°C to make a kind of hysteresis. To get even more smoothing  and prevent the motor from changing directions all the time. An average of the last ten readings will be made and this average will be used to control the motor. This way, a sudden change is smoothed out and doesn't change everything directly.  The activation of the motor were set on the temperatures 29°C and 32°C to make a kind of hysteresis. To get even more smoothing  and prevent the motor from changing directions all the time. An average of the last ten readings will be made and this average will be used to control the motor. This way, a sudden change is smoothed out and doesn't change everything directly. 
  
-=== 7.4.5 Low Temperature Warning System ===+=== 7.4.6 Low Temperature Warning System ===
 A yellow LED on the outside of The GreenHouse shows the user when the winter cover must be placed on the product. The temperature sensor will provide the control system with the necessary information. When the temperature drops under 5 °C, the yellow LED lights up. This means the customer must place the winter cover on The GreenHouse. The yellow LED light will keep lighting up for the time the winter cover is needed. When the temperature goes over 6 °C, the yellow LED light will stop lighting up, meaning the winter cover is no longer needed. A yellow LED on the outside of The GreenHouse shows the user when the winter cover must be placed on the product. The temperature sensor will provide the control system with the necessary information. When the temperature drops under 5 °C, the yellow LED lights up. This means the customer must place the winter cover on The GreenHouse. The yellow LED light will keep lighting up for the time the winter cover is needed. When the temperature goes over 6 °C, the yellow LED light will stop lighting up, meaning the winter cover is no longer needed.
  
-=== 7.4.6 Heavy Rain System === +=== 7.4.7 Heavy Rain System === 
-The rain sensor will sense if there is rain and print if it is raining or not on the monitor. It works together with the temperature sensor. If the temperature is below 30°C and it's not raining, the motor will turn and the summercover will open. When the temperature is below 30°C and it's raining, the motor will turn the other way and the summercover will close. In this temperature situation, the cover should normally be opening so the plants can get their solar energy. But in this case the rain sensor will overrule the temperature sensor and close the summercover anyway. This way, the plants are protected from to much rain.+The rain sensor will sense if there is rain and print if it is raining or not on the monitor. It works together with the temperature sensor. If the temperature is below 30°C and it's not raining, the motor will turn and the summercover will open. When the temperature is below 30°C and it's raining, the motor will turn the other way and the summer cover will close. In this temperature situation, the cover should normally be opening so the plants can get their solar energy. But in this case the rain sensor will overrule the temperature sensor and close the summer cover anyway. This way, the plants are protected from to much rain.
  
-For the rain sensor, the same smoothing was applied like used for the temperature sensor.+For the rain sensor, the same smoothing was applied like used for the temperature sensor. Only the amount of the needed readings was changed to five instead of ten, Because with ten the change took to long.
 ==== 7.5 Complete List of Components and Materials ==== ==== 7.5 Complete List of Components and Materials ====
 Table {{ref>materialcosts2}} shows a complete list of all the materials and components needed for The GreenHouse prototype. Table {{ref>materialcosts2}} shows a complete list of all the materials and components needed for The GreenHouse prototype.
Line 1823: Line 1835:
 </table> </table>
 </WRAP> </WRAP>
-==== 7.6 Test and Results ====+ 
 +==== 7.6 Construction of the Prototype ====
 === 7.6.1 Introduction === === 7.6.1 Introduction ===
 +The Team started creating the prototype of The GreenHouse at the end of May 2017. In order to stay in the budget, the team decided to reduce the size of the prototype. Through the prototype the team could proof the general concept of the future product and do some testing with the components.
 +
 +=== 7.6.2 Structure ===
 +First of all the team built the structure of the prototype. Wood got cut into size and assembled with glue and screws. Furthermore the winter cover was built during this process. As the transparent component of the winter cover the team used a double layer of transparent foil. As mentioned before, the size of the prototype had to be reduced (mostly the lengths). 
 +
 +The new sizes were:
 +  * Height: 21 cm
 +  * Width: 30 cm
 +  * Lengths: 34 cm
 +
 +After the structure was done, the team painted it white and isolated the inside with Styrofoam. After that the team built the water tank out of wood and foil. Figures {{ref>building1}}, {{ref>building2}}, {{ref>building3}} and {{ref>building4}} give an insight of the building process.
 +
 +<WRAP centeralign>
 +<figure building1>
 +{{ :img_3315.jpg?300 |}}
 +<caption>Building of the winter cover</caption>
 +</figure>
 +</WRAP>
 +
 +<WRAP centeralign>
 +<figure building2>
 +{{ :whatsapp_image_2017-05-30_at_13.21.23.jpeg?300 |}}
 +<caption>Wooden structure</caption>
 +</figure>
 +</WRAP>
 +
 +<WRAP centeralign>
 +<figure building3>
 +{{ :img_3323.jpg?300 |}}
 +<caption>Painted product</caption>
 +</figure>
 +</WRAP>
 +
 +<WRAP centeralign>
 +<figure building4>
 +{{ :img_3321.jpg?300 |}}
 +<caption>Winter cover</caption>
 +</figure>
 +</WRAP>
 +
 +=== 7.6.3 Summer cover ===
 +For the summer cover the team had to built a frame out of aluminum and connected it to the assembled motor inside the box. Furthermore the cover itself is made of a black plastic bag. In the real product will be a couple of frames, in order to give the summer cover a bigger volume. Figure {{ref>building5}} shows the built summer cover. 
 +
 +<WRAP centeralign>
 +<figure building5>
 +{{ :20170626_111744.jpg?300 |}}
 +<caption>Summer cover</caption>
 +</figure>
 +</WRAP>
 +
 +=== 7.6.4 Support ===
 +The team made the support out of square iron tubes. Therefore the tubes got cut and welded together. Figure {{ref>building6}} shows the welding.
 +
 +<WRAP centeralign>
 +<figure building6>
 +{{ :elding.jpg?300 |}}
 +<caption>Welding of the support</caption>
 +</figure>
 +</WRAP>
 +
 +Figure {{ref>building7}} shows the almost done structure.
 +
 +<WRAP centeralign>
 +<figure building7>
 +{{ :whatsapp_image_2017-06-01_at_12.17.54.jpeg?300 |}}
 +<caption>The support (still in process)</caption>
 +</figure>
 +</WRAP>
 +
 +=== 7.6.5 Electronic Box and Sensors ===
 +After the structure was build, the team assembled all the sensors and electronic components. The control system is located in a waterproof electronic box (Tupperware) outside the box. Figure {{ref>building8}} shows the electronic box. 
 +
 +<WRAP centeralign>
 +<figure building8>
 +{{ :20170626_111755.jpg?300 |}}
 +<caption>Electronic box</caption>
 +</figure>
 +</WRAP>
 +
 +=== 7.6.6 Conclusion ===
 +The building of the prototype showed the team that the general concept works. The team could learn a lot out of the building process and will use the gained knowledge for the final product. Figures {{ref>building9}} shows the final prototype with an open summer cover.
 +
 +<WRAP centeralign>
 +<figure building9>
 +{{ :20170626_124605.jpg?300 |}}
 +<caption>Final prototype (open cover)</caption>
 +</figure>
 +</WRAP>
 +
 +Figure {{ref>building10}} show the final prototype with a closed summer cover.
 +
 +<WRAP centeralign>
 +<figure building10>
 +{{ :20170626_124618.jpg?300 |}}
 +<caption>Final prototype (closed cover)</caption>
 +</figure>
 +</WRAP>
 +==== 7.7 Test and Results ====
 +=== 7.7.1 Introduction ===
 This chapter deals with the testing of the prototypes components. The testing is a really important part in the process of creating a product. It reveals technical problems which were undiscovered through the previous developing process. Furthermore gained the team additional information about some electronic components, which helped to redefine the Arduino coding. The group single tested the different main components. The tests followed the schematic of 1) Expectation & Purpose, 2) Composition, 3) Test, 4) Data & Interpretation. This chapter deals with the testing of the prototypes components. The testing is a really important part in the process of creating a product. It reveals technical problems which were undiscovered through the previous developing process. Furthermore gained the team additional information about some electronic components, which helped to redefine the Arduino coding. The group single tested the different main components. The tests followed the schematic of 1) Expectation & Purpose, 2) Composition, 3) Test, 4) Data & Interpretation.
  
-=== 7.6.2 Temperature Sensor === +=== 7.7.2 Temperature Sensor === 
-== 7.6.2.1 Expectation & Purpose ==+== 7.7.2.1 Expectation & Purpose ==
 The temperature sensor is one of the two main inputs for the control system. The opening or closing of the summer cover is dependent on this input. It is thus important that this input is calibrated correctly. The temperature sensor should note the right temperature. Because the temperature sensor is not so expensive, a difference in accuracy of 1 °C – 2 °C is expected. The temperature sensor is one of the two main inputs for the control system. The opening or closing of the summer cover is dependent on this input. It is thus important that this input is calibrated correctly. The temperature sensor should note the right temperature. Because the temperature sensor is not so expensive, a difference in accuracy of 1 °C – 2 °C is expected.
  
-== 7.6.2.2 Composition ==+== 7.7.2.2 Composition ==
 To test the accuracy of the temperature sensor, a real simple test was made. At different temperatures a thermometer was placed next to the temperature sensor to measure the difference between them. To test the accuracy of the temperature sensor, a real simple test was made. At different temperatures a thermometer was placed next to the temperature sensor to measure the difference between them.
  
-== 7.6.2.3 Test ==+== 7.7.2.3 Test ==
 The first test was at normal room temperature, the second one in an box of ice water and the last one with a hair dryer warming up the temperature sensor and thermometer. The first test was at normal room temperature, the second one in an box of ice water and the last one with a hair dryer warming up the temperature sensor and thermometer.
  
-== 7.6.2.4 Data & Interpretation == +== 7.7.2.4 Data & Interpretation == 
 Table {{ref>resultstemperaturesensortest}} shows the data of the measurements and the differences between the thermometer and the temperature sensor. Like expected a difference in accuracy of 1 °C – 2 °C was noted. This difference in accuracy is not a big problem. The growth of the plants won’t be affected by this. The difference is always in the positive direction. Which means the temperature sensor sensed a little bit to high. Because of this, the team decided to set the changing temperature of the Arduino, the temperature were the summer cover would open or close, a little higher. At 31 °C instead of 30 °C. Table {{ref>resultstemperaturesensortest}} shows the data of the measurements and the differences between the thermometer and the temperature sensor. Like expected a difference in accuracy of 1 °C – 2 °C was noted. This difference in accuracy is not a big problem. The growth of the plants won’t be affected by this. The difference is always in the positive direction. Which means the temperature sensor sensed a little bit to high. Because of this, the team decided to set the changing temperature of the Arduino, the temperature were the summer cover would open or close, a little higher. At 31 °C instead of 30 °C.
  
Line 1852: Line 1964:
 </WRAP> </WRAP>
  
-=== 7.6.3 Rain Sensor === +=== 7.7.3 Rain Sensor === 
-== 7.6.3.1 Expectation & Purpose ==+== 7.7.3.1 Expectation & Purpose ==
 The rain sensor is the second main input for the control system. This sensor works together with the temperature sensor and controls the opening and closing of the summer cover. For this sensor it was important that it gave a right signal at the right amount of rain. The rain sensor is the second main input for the control system. This sensor works together with the temperature sensor and controls the opening and closing of the summer cover. For this sensor it was important that it gave a right signal at the right amount of rain.
  
-== 7.6.3.2 Composition ==+== 7.7.3.2 Composition ==
 To test the amount of water needed for the rain sensor to give a signal, the team decided to work with water sprayers. This way it was possible to see how much debit was needed to let the rain sensor give a signal. To test the amount of water needed for the rain sensor to give a signal, the team decided to work with water sprayers. This way it was possible to see how much debit was needed to let the rain sensor give a signal.
  
-== 7.6.3.3 Test ==+== 7.7.3.3 Test ==
 The test consisted out of two parts. In the first part, the rain sensor is put flat, while in the second part the rain sensor is put in an angle of around 45°. This way it was possible to see what the influence was of the signal with water that stayed on top of the sensor or when it fell of the sensor. In every part, different debits were tested to see which one was needed to let the rain sensor give a signal. The test consisted out of two parts. In the first part, the rain sensor is put flat, while in the second part the rain sensor is put in an angle of around 45°. This way it was possible to see what the influence was of the signal with water that stayed on top of the sensor or when it fell of the sensor. In every part, different debits were tested to see which one was needed to let the rain sensor give a signal.
  
-== 7.6.3.4 Data & Interpretation == +== 7.7.3.4 Data & Interpretation == 
 Table {{ref>resultsrainsensortest}} shows the data of the test. The data is split in the two parts and with the different debits. For every situation, the team looked if the signal for rain was given to the control system by the rain sensor. Table {{ref>resultsrainsensortest}} shows the data of the test. The data is split in the two parts and with the different debits. For every situation, the team looked if the signal for rain was given to the control system by the rain sensor.
  
Line 1880: Line 1992:
 It is clear that if the rain sensor is put flat, the debit doesn’t matter. Even with a little bit of water the rain sensor will give the signal when it’s raining. When the rain sensor is placed diagonal. The sensor only gives the signal from about 5 ml/s. Which is perfect, because the rain sensor should only give the signal with heavy rain. A little bit of rain will not damage the plants. A second positive thing is that the water doesn’t stay on the rain sensor when it’s placed diagonal. This way, the signal is not falsely given when it already stopped raining. It is clear that if the rain sensor is put flat, the debit doesn’t matter. Even with a little bit of water the rain sensor will give the signal when it’s raining. When the rain sensor is placed diagonal. The sensor only gives the signal from about 5 ml/s. Which is perfect, because the rain sensor should only give the signal with heavy rain. A little bit of rain will not damage the plants. A second positive thing is that the water doesn’t stay on the rain sensor when it’s placed diagonal. This way, the signal is not falsely given when it already stopped raining.
  
-=== 7.6.4 Water Level Sensor === +=== 7.7.4 Water Level Sensor === 
-== 7.6.4.1 Expectation & Purpose ==+== 7.7.4.1 Expectation & Purpose ==
 Trough testing the water level sensor and the water tank, the team wanted to gain data about the volume which activates the water level sensor (can be seen as a switch) and the maximum capacity of the water tank, which wasn’t easy to calculate, since the water tank was covered with an uneven foil.  Trough testing the water level sensor and the water tank, the team wanted to gain data about the volume which activates the water level sensor (can be seen as a switch) and the maximum capacity of the water tank, which wasn’t easy to calculate, since the water tank was covered with an uneven foil. 
  
-== 7.6.4.2 Composition ==+== 7.7.4.2 Composition ==
 The test composition was rather simple. The team installed the water level sensor inside the water tank. The sensor was connected to Arduino for power supply and to the red LED light. Figure {{ref>compositionofwaterlevelsensortest}} shows the composition. The test composition was rather simple. The team installed the water level sensor inside the water tank. The sensor was connected to Arduino for power supply and to the red LED light. Figure {{ref>compositionofwaterlevelsensortest}} shows the composition.
  
Line 1894: Line 2006:
 </WRAP> </WRAP>
  
-== 7.6.4.3 Test ==+== 7.7.4.3 Test ==
 The team filled the water tank slowly with water until the water level sensor, which can technically be seen as a switch, was triggered. Knowing how much water was implemented, the team could figure out at which certain water volume the sensor got triggered. Afterwards, the team filled the water tank to the maximum capacity and noted the results. The team filled the water tank slowly with water until the water level sensor, which can technically be seen as a switch, was triggered. Knowing how much water was implemented, the team could figure out at which certain water volume the sensor got triggered. Afterwards, the team filled the water tank to the maximum capacity and noted the results.
  
-== 7.6.4.4 Data & Interpretation == +== 7.7.4.4 Data & Interpretation == 
   * Water Volume, which triggers the sensor: 0.9 liter   * Water Volume, which triggers the sensor: 0.9 liter
   * Max. water volume: 1.2 liter   * Max. water volume: 1.2 liter
Line 1903: Line 2015:
 It is important to remember, that the water tank is quite small, because it is part of the significant smaller prototype. A triggering water volume of 0.9 l compared to a maximum volume of 1.2 l would make no sense, because the triggering event activates the red LED light which tells the customer that the tank is going to be empty soon. The real size of the water tank would be 44 cm x 22 cm x 8 cm (without volume loss, because of foil / inner structure) what gives us a maximum capacity of 7.7 l and a triggering water level of 1.8 l. It is important to remember, that the water tank is quite small, because it is part of the significant smaller prototype. A triggering water volume of 0.9 l compared to a maximum volume of 1.2 l would make no sense, because the triggering event activates the red LED light which tells the customer that the tank is going to be empty soon. The real size of the water tank would be 44 cm x 22 cm x 8 cm (without volume loss, because of foil / inner structure) what gives us a maximum capacity of 7.7 l and a triggering water level of 1.8 l.
  
-=== 7.6.5 Irrigation System === +=== 7.7.5 Irrigation System === 
-== 7.6.5.1 Expectation & Purpose ==+== 7.7.5.1 Expectation & Purpose ==
 The irrigation system is maybe the most interesting feature of The GreenHouse. Using the capillary effect in order to provide the plants with the perfect amount of water was a new concept for the whole team. Therefore an intense field study was necessary to proof the reliability of the concept. The team had three different kind of wicks to test. Wick A was assembled out of three smaller wicks, which find use for example in candles. Wick B was also a normal candle wick. Wick C was self-made and made out of a fiber glass mat. Figure {{ref>compositionofirrigationsystemtest}} shows the different wicks. The irrigation system is maybe the most interesting feature of The GreenHouse. Using the capillary effect in order to provide the plants with the perfect amount of water was a new concept for the whole team. Therefore an intense field study was necessary to proof the reliability of the concept. The team had three different kind of wicks to test. Wick A was assembled out of three smaller wicks, which find use for example in candles. Wick B was also a normal candle wick. Wick C was self-made and made out of a fiber glass mat. Figure {{ref>compositionofirrigationsystemtest}} shows the different wicks.
  
Line 1914: Line 2026:
 </WRAP> </WRAP>
  
-== 7.6.5.2 Composition == +== 7.7.5.2 Composition == 
-The team filled one glass with a water level scale with water and connected one wick in it. The other end of the wick went to the top. Another bigger glass, filled with tissues, was put on the top of the small one with the wick. The bigger glass minimized the effect of transpiration. Figure 3 shows this setup.+The team filled one glass with a water level scale with water and connected one wick in it. The other end of the wick went to the top. Another bigger glass, filled with tissues, was put on the top of the small one with the wick. The bigger glass minimized the effect of transpiration. The test was done in a normal classroom with a temperature around 26 °C and normal relative humidity. Because of the bigger glass on top of the installation, influences of the air in the classroom where minimized. Figure {{ref>typesofwicks}} shows this composition.
  
 <WRAP centeralign> <WRAP centeralign>
Line 1924: Line 2036:
 </WRAP> </WRAP>
  
-== 7.6.5.3 Test ==+== 7.7.5.3 Test ==
 The wick started through capillary activity leading water from the small glass to the tissues on top. With the help of the water level scale of the small glass, the team could figure out, how much water went through each wick after one hour. The wick started through capillary activity leading water from the small glass to the tissues on top. With the help of the water level scale of the small glass, the team could figure out, how much water went through each wick after one hour.
  
-== 7.6.5.4 Data & Interpretation == +== 7.7.5.4 Data & Interpretation == 
 Table {{ref>resultsirrigationsystemtest}} shows the results of the test. Table {{ref>resultsirrigationsystemtest}} shows the results of the test.
  
Line 1942: Line 2054:
 </WRAP> </WRAP>
  
-Through the test, the team could proof, that the irrigation system with wicks actually works. Wick B failed the test, the capillary activity was too weak to bring the water up to the tissues. Wick C seemed to be the best solution for The GreenHouse. Wick C can lead half a liter per day to the root of a plant. This is more than enough to supply the plants with water. +Through the test, the team could proof, that the irrigation system with wicks actually works. Wick B failed the test, the capillary activity was too weak to bring the water up to the tissues. Wick C seemed to be the best solution for The GreenHouse. Wick C can lead half a liter per day to the root of a plant.  Because the plants will only absorb the water they need, wick C was the best option. This way, plants that don’t need much water, will not take much water, but plants that need a lot of water can use the full capacity of the wick. Which in case of wick C is more than sufficient for aromatic plants. 
-==== 7.7 Conclusion ====+==== 7.8 Conclusion ====
 After all the research and discussions on different topics were done and the requirements for the product were set. The team began developing the product. First detailed research was needed to know which different idea's and components were possible. After this more detailed research the team started with raw idea's and drafts about how The GreenHouse would be. When the general structures and ideas were set, a 3D model. After this, the needed components and materials were chosen and a system schematic was developed to know how everything would work and be connected. When the needed materials and components arrived, the team started to build the prototype and write the Arduino code. Before totally finishing the prototype, the team performed some electronic and wick test. This way they were sure everything worked properly and the best type of wick was used. At the end the prototype was finished and could be used as demo to present The GreenHouse.   After all the research and discussions on different topics were done and the requirements for the product were set. The team began developing the product. First detailed research was needed to know which different idea's and components were possible. After this more detailed research the team started with raw idea's and drafts about how The GreenHouse would be. When the general structures and ideas were set, a 3D model. After this, the needed components and materials were chosen and a system schematic was developed to know how everything would work and be connected. When the needed materials and components arrived, the team started to build the prototype and write the Arduino code. Before totally finishing the prototype, the team performed some electronic and wick test. This way they were sure everything worked properly and the best type of wick was used. At the end the prototype was finished and could be used as demo to present The GreenHouse.  
  

Trace:

QR Code
QR Code report (generated for current page)