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Vital Desk
Introduction
Vital Desk is an interactive embedded system designed to check and prevent the health risks of modern remote work environments. In a context where sedentary time has increased by an average of 2 hours per day , this project serves as a companion that bridges environmental monitoring with behavioral intervention.
- What it does: The device monitors air quality (MQ8), climate (DHT11), and user proximity (HC-SR04). It uses a servo to break the user's static posture and displays real-time health metrics on an I2C LCD.
- Purpose: To combat the lack of an optimal microclimate in improvised workspaces and reduce cardiovascular risks associated with prolonged sitting and bad posture.
- The Concept: Moving away from passive measurement toward a proactive, artistic guardian that interacts physically with the user.
- Utility: It provides a stand-alone health assistant that functions independently of a desktop PC, ensuring a healthier and more focused workflow.
General Description
- The sensors are collecting the data, such as the temperature, humidity, gas, proximity
- The data is checked and based on the limits that we set at first, we can see wether the working environment is good or not.
- If something is above or below limits, we alert through the LCD and/or servo sensor movement
- Also, there’s an alert if the user is sitting way too close to the PC that they work on, or if the user hasn’t been standing for a longer period of time.
Hardware Design
Electrical Scheme (done in Wokwi)
- Microcontroller: Arduino-UNO board.
- Climate Sensor: DHT11 for temperature and humidity tracking.
- Air Quality Sensor: MQ8 for gas and CO2 detection.
- Proximity Sensor: HC-SR04 Ultrasonic sensor to detect user presence/absence and how close the user is sitting to their computer.
- Actuator: SG90 Servomotor for physical intervention.
- Display: LCD 1602 with I2C interface for status updates.
- Connectivity: USB cable.
Pinout planificat
Arduino UNO:
| Componenta | Pini Arduino |
|---|---|
| PIR HC-SR501 | OUT → D3, VCC → 5V, GND → GND |
| MQ8 Gas Sensor | A0 AO, VCC →5V, GND →GND |
| DHT 11 Sensor | Data → D2, VCC →5V, GND →GND |
| Serial Communication | USB → Computer |
Power Supply: The project is directly linked to the Laptop, using a USB cable, making the data collection easier. All sensors are powered through 5V from the Arduino UNO.
Software Design
- mediu de dezvoltare (if any) (e.g. AVR Studio, CodeVisionAVR)
- librării şi surse 3rd-party (e.g. Procyon AVRlib)
- algoritmi şi structuri pe care plănuiţi să le implementaţi
- (etapa 3) surse şi funcţii implementate
Rezultate Obţinute
Concluzii
Download
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Jurnal
Bibliografie/Resurse
