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report:dvp [2026/04/15 20:25] – [Design] epsatisepreport:dvp [2026/04/22 15:46] (current) – [Smart System] team2
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 <caption>Brainstorming Phase</caption> <caption>Brainstorming Phase</caption>
 </figure> </figure>
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 Once the micro-break capsule was chosen as our final concept, we moved into a Design Thinking phase to explore its phisical form. To do this, we developed five quick sketches, each representing a different approach to how the capsule could look and function. These initial ideas, shown in Figure {{ref>fig:whatsapp_image_2026-03-25_at_17.30.52}}, allowed us to visualize various layouts and user experiences. Once the micro-break capsule was chosen as our final concept, we moved into a Design Thinking phase to explore its phisical form. To do this, we developed five quick sketches, each representing a different approach to how the capsule could look and function. These initial ideas, shown in Figure {{ref>fig:whatsapp_image_2026-03-25_at_17.30.52}}, allowed us to visualize various layouts and user experiences.
  
-· The Onion Pod: A private, fully enclosed room that prioritizes total isolation, though it requires a significant amount of floor space.+· The Onion Pod: A private, fully enclosed room that prioritizes total <color #ed1c24>isolation or insulation?</color>, though it requires a significant amount of floor space.
  
 · The Wide Lounge: A large and spacious horizontal structure designed for maximum comfort, focusing on internal volume. · The Wide Lounge: A large and spacious horizontal structure designed for maximum comfort, focusing on internal volume.
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 <caption>Design Thinking Phase</caption> <caption>Design Thinking Phase</caption>
 </figure> </figure>
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 The final concept developed for this project is an egg-shaped capsule designed to integrate seamlessly into modern corporative environments, such as large halls or corridors. Our goal was to create a private sanctuary for "micro-breaks" during long working hours, a space where employees can scape the pressure of the office to perform a "power nap", meditate, strech or even release tension in total privacy. The final concept developed for this project is an egg-shaped capsule designed to integrate seamlessly into modern corporative environments, such as large halls or corridors. Our goal was to create a private sanctuary for "micro-breaks" during long working hours, a space where employees can scape the pressure of the office to perform a "power nap", meditate, strech or even release tension in total privacy.
- 
 The structure is dimensioned to be inclusive, providing enough space for a person to of average height to stand, lie down, or practice yoga confortably. A core principle of design is total isolation. The capsule is engineered to be both visually and acoustically opaque, ensuring that nothing can be seen or heard from the outside, and vice versa. This crates a true "break from the world" for the user. The structure is dimensioned to be inclusive, providing enough space for a person to of average height to stand, lie down, or practice yoga confortably. A core principle of design is total isolation. The capsule is engineered to be both visually and acoustically opaque, ensuring that nothing can be seen or heard from the outside, and vice versa. This crates a true "break from the world" for the user.
- 
 Functionality is also integrated into the exterior through a smart lighting system that iluminates when the capsule is occupied, signaling to others that the space is in use. Furthermore, Bloem is designed to be part of a larger digital ecosystem; it will be liked to a user interface for reservations and can provide helpful "newsletters" or guidance on mental healh and physical well-being. This ensures the capsule is not just a physical space but a proactive tool for workplace health. Functionality is also integrated into the exterior through a smart lighting system that iluminates when the capsule is occupied, signaling to others that the space is in use. Furthermore, Bloem is designed to be part of a larger digital ecosystem; it will be liked to a user interface for reservations and can provide helpful "newsletters" or guidance on mental healh and physical well-being. This ensures the capsule is not just a physical space but a proactive tool for workplace health.
  
 +<color #ed1c24>Figure {{ref>fig:ilustracion_sin_titulo_3}} ...</color>
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 <caption>First Drafts </caption> <caption>First Drafts </caption>
 </figure> </figure>
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 <caption>Black Box Diagram</caption> <caption>Black Box Diagram</caption>
 </figure> </figure>
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-To determine the most suitable components for the system, a comparative analysis was conducted. Multiple components were evaluated based on key parameters such as performance, functionality, and size. The following presents a comparison of microcontrollers (tabel {{ref>tab:microcontrollers}}) and LED strips (tabel {{ref>tab:led_strips}}). This comparison forms the basis for the final selection of components used in the project. +To determine the most suitable components for the system, a comparative analysis was conducted. Multiple components were evaluated based on key parameters such as performance, functionality, and size. The following presents a comparison of microcontrollers (Table {{ref>tab:microcontrollers}}) and LED strips (Table {{ref>tab:led_strips}}). This comparison forms the basis for the final selection of components used in the project. 
  
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 | Wi-Fi | IEEE 802.11 b/g/n (Wi-Fi 4) | IEEE 802.11 b/g/n (Wi-Fi 4) | IEEE 802.11ac (Wi-Fi 5) | | Wi-Fi | IEEE 802.11 b/g/n (Wi-Fi 4) | IEEE 802.11 b/g/n (Wi-Fi 4) | IEEE 802.11ac (Wi-Fi 5) |
 | Bluetooth | Bluetooth 5 | Bluetooth 4.2 / BLE | Bluetooth 5 | | Bluetooth | Bluetooth 5 | Bluetooth 4.2 / BLE | Bluetooth 5 |
-| Power | 5V DC via USB | 3.3V DC via USB | 5V DC via USB |+| Power | 5 V DC via USB | 3.3 V DC via USB | 5 V DC via USB |
 | Form factor | 68.6 × 53.3 mm | 51 × 28 mm | 85.6 × 56.5 mm | | Form factor | 68.6 × 53.3 mm | 51 × 28 mm | 85.6 × 56.5 mm |
 </table> </table>
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 | Color Options | Color changing | Fixed | Adjustable white | | Color Options | Color changing | Fixed | Adjustable white |
 | Control | App / Microcontroller | On-off / Direct power | App / Microcontroller | | Control | App / Microcontroller | On-off / Direct power | App / Microcontroller |
-| Voltage | 5–12V DC | 5–12V DC | 5–12V DC |+| Voltage | 5–12 V DC | 5–12 V DC | 5–12 V DC |
 | Connections | 4 (R/G/B + V/GND) | 2 (+V / GND) | 3 (Warm / Cool + V/GND) | | Connections | 4 (R/G/B + V/GND) | 2 (+V / GND) | 3 (Warm / Cool + V/GND) |
 | Notes | Can produce millions of colors | Simple and low cost | Mood adjustment with white tones | | Notes | Can produce millions of colors | Simple and low cost | Mood adjustment with white tones |
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 Electrical Components Overview: Electrical Components Overview:
-  - 12V Power Supply: Supplies power to the system and LED strip.+  - 12 V Power Supply: Supplies power to the system and LED strip.
   - Buck Converter: Steps down voltage for low-power components.   - Buck Converter: Steps down voltage for low-power components.
   - RGB LED Strip: Enables flexible and dynamic lighting.   - RGB LED Strip: Enables flexible and dynamic lighting.
   - Light Sensor: Adjusts lighting based on ambient conditions.   - Light Sensor: Adjusts lighting based on ambient conditions.
   - ESP32 Dev Module: Provides control and wireless communication.   - ESP32 Dev Module: Provides control and wireless communication.
-  - 3× Resistors (1 kΩ): Protects components and limits current. +  - 3 × Resistors (1 kΩ): Protects components and limits current. 
-  - 3× Transistors (IRLZ44N): Controls higher current to the LED strip.+  - 3 × Transistors (IRLZ44N): Controls higher current to the LED strip.
   - Speaker (Bluetooth): Provides audio output.   - Speaker (Bluetooth): Provides audio output.
   - Tablet: Acts as the user interface.   - Tablet: Acts as the user interface.
  
 This section describes the schematic design of the system shown in {{ref>fig:schematic}}. The diagram illustrates the integration of the main components and their interactions. The ESP32 functions as the central controller and is responsible for controlling the lighting of the capsule. A light sensor is included to detect ambient light levels and determine when a session should begin. This section describes the schematic design of the system shown in {{ref>fig:schematic}}. The diagram illustrates the integration of the main components and their interactions. The ESP32 functions as the central controller and is responsible for controlling the lighting of the capsule. A light sensor is included to detect ambient light levels and determine when a session should begin.
-The capsule uses a 12V RGB LED strip with four connections: a 12V supply line and three control lines for red, green, and blue. The color and brightness are controlled using pulse-width modulation (PWM). Each control signal is generated by a digital output pin on the ESP32 and passes through a resistor and a logic-level N-channel MOSFET. This setup allows the low-voltage ESP32 to safely control the higher voltage and current required by the LED strip. +The capsule uses a 12 V RGB LED strip with four connections: a 12 V supply line and three control lines for red, green, and blue. The color and brightness are controlled using pulse-width modulation (PWM). Each control signal is generated by a digital output pin on the ESP32 and passes through a resistor and a logic-level N-channel MOSFET. This setup allows the low-voltage ESP32 to safely control the higher voltage and current required by the LED strip. 
-Power is provided by a 12V power supply. Since the ESP32 and sensor require a stable 3.3V supply, a buck converter is used to step down the voltage accordingly.+Power is provided by a 12 V power supply. Since the ESP32 and sensor require a stable 3.3 V supply, a buck converter is used to step down the voltage accordingly.
 Additionally, the ESP32 communicates with a mobile application via Bluetooth Low Energy (BLE), enabling configuration and control of the system. Additionally, the ESP32 communicates with a mobile application via Bluetooth Low Energy (BLE), enabling configuration and control of the system.
 It is important to note that this design represents an initial draft, developed to explore component selection and overall system integration. It is important to note that this design represents an initial draft, developed to explore component selection and overall system integration.
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 <figure fig:schematic> <figure fig:schematic>
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-<caption>Schematic drawing [({{ :report:detailed_schematics_bloem.pdf |}})] </caption>+<caption>Schematic drawing [({{ :undefined:bloem.pdf |}})] </caption>
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 <caption>Total Power Budget for the System.</caption> <caption>Total Power Budget for the System.</caption>
 ^ Component ^ Rail ^ Max Current ^ Power (W) ^ Note ^ ^ Component ^ Rail ^ Max Current ^ Power (W) ^ Note ^
-| ESP32-WROOM-32 | 3.3V | 500 mA | 1.65 W | During Wi-Fi activity | +| ESP32-WROOM-32 | 3.3 V | 500 mA | 1.65 W | During Wi-Fi activity | 
-| BH1750 Sensor | 3.3V | < 1 mA | ~0.01 W | I2C communication | +| BH1750 Sensor | 3.3 V | < 1 mA | ~0.01 W | I2C communication | 
-| LM2596 Loss | 12V | ~50 mA | ~0.6 W | Based on ~80% efficiency | +| LM2596 Loss | 12 V | ~50 mA | ~0.6 W | Based on ~ 80 % efficiency | 
-| RGB LED Strip (3m) | 12V | 3.6 A | 43.2 W | Full white brightness | +| RGB LED Strip (3 m) | 12 V | 3.6 A | 43.2 W | Full white brightness | 
-| **Total System** | 12V | ~3.8 A | ~45 W | Input requirement for J3 |+| **Total System** | 12 V | ~3.8 A | ~45 W | Input requirement for J3 |
 </table> </table>
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 **Interaction Diagram** **Interaction Diagram**
  
-The following diagram illustrates the interaction between the user, the tablet application, and the hardware components of the Bloem system.+Figure {{ref>fig:usersequencediagram}}  illustrates the interaction between the user, the tablet application, and the hardware components of the Bloem system.
  
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-<figure fig:blackboxdiagram> +<figure fig:usersequencediagram> 
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 <caption>Interaction flow between user, tablet application, and capsule control system <caption>Interaction flow between user, tablet application, and capsule control system
 </caption> </caption>
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