Description: The ESP32 development board serves as the central processing unit of the MediBox system, responsible for executing the embedded software, controlling peripheral devices, and managing communication with the MQTT broker.
Features:
- Integrated Wi-Fi and Bluetooth connectivity
- Dual-core processor for efficient multitasking
- Multiple GPIO pins for interfacing with sensors and actuators
- Low power consumption
- Support for various communication protocols
Technical Specifications:
- Chipset: ESP32
- Dimensions: 58.4mm x 25.4mm
- Weight: 5g
- Power Requirements: 5V DC
- Clock Speed: Up to 240MHz
- Interfaces: UART, SPI, I2C, GPIO
- Port Mapping: Refer to the ESP32 pinout diagram for specific port mappings based on the development board model.
- Compatibility: Compatible with PlatformIO and other embedded software development platforms.
- Environmental Requirements: Operating Temperature: 0°C to 55°C, Operating Humidity: 5% to 95% RH (non-condensing)
- Installation Instructions:
- Connect the ESP32 development board to a computer via USB.
- Install the necessary drivers and development tools.
- Upload the MediBox embedded software to the ESP32 board.
- Maintenance and Support: No specific maintenance is required.
- Troubleshooting: Verify proper power supply and connections. Consult the ESP32 documentation for support and troubleshooting.
- References: Espressif Systems
Description: The OLED display provides a visual interface for the MediBox system, displaying the current time, date, sensor readings, alarm status, and user menus.
Features:
- High contrast and wide viewing angle
- Low power consumption
- Compact size
- I2C communication interface
Technical Specifications:
- Display Size: 128x64 pixels
- Dimensions: 27mm x 27mm
- Weight: 2g
- Power Requirements: 3.3V DC
- Interfaces: I2C
- Port Mapping:
- SDA: GPIO 21
- SCL: GPIO 22
- Compatibility: Compatible with Adafruit SSD1306 library and other compatible libraries.
- Environmental Requirements: Operating Temperature: -40°C to 85°C
- Installation Instructions:
- Connect the OLED display to the ESP32 development board using I2C communication lines.
- Install the Adafruit SSD1306 library.
- Configure the library for the OLED display's I2C address.
- Maintenance and Support: No specific maintenance is required.
- Troubleshooting: Verify proper power supply and connections.
- References: Adafruit
Description: The buzzer serves as an audible alarm indicator, notifying users when a medication alarm is triggered.
Features:
- Piezoelectric buzzer
- Produces a loud and clear alarm sound
- Low power consumption
Technical Specifications:
- Dimensions: 12mm x 12mm
- Weight: 1g
- Power Requirements: 5V DC
- Interfaces: GPIO
- Port Mapping: GPIO 25
- Compatibility: Compatible with standard GPIO interfaces.
- Environmental Requirements: Operating Temperature: -20°C to 70°C
- Installation Instructions:
- Connect the buzzer's positive (+) pin to GPIO 25 and the negative (-) pin to ground (GND).
- Maintenance and Support: No specific maintenance is required.
- Troubleshooting: Verify proper power supply and connections. Test the buzzer's functionality using a multimeter.
- References: Arduino
Description: The push buttons provide user input for navigating menus, configuring settings, and interacting with the MediBox system.
Features:
- Tactile feedback
- Normally open configuration
- GPIO interface
Technical Specifications:
- Dimensions: 6mm x 6mm
- Weight: 1g
- Power Requirements: N/A
- Interfaces: GPIO
- Port Mapping:
- Menu Button: GPIO 23
- Go Forward Button: GPIO 5
- Go Backward Button: GPIO 18
- Cancel Button: GPIO 19
- Compatibility: Compatible with standard GPIO interfaces.
- Environmental Requirements: Operating Temperature: -20°C to 70°C
- Installation Instructions:
- Connect each button's pin to its designated GPIO pin on the ESP32 development board.
- Connect the other pin of each button to ground (GND).
- Maintenance and Support: No specific maintenance is required.
- Troubleshooting: Verify proper connections and button functionality using a multimeter.
- References: Arduino
Description: The LDRs measure ambient light intensity, providing data for adjusting the shaded sliding window position based on user-defined parameters for different medicines.
Features:
- Variable resistance based on light intensity
- Analog output
- Low cost
Technical Specifications:
- Resistance Range: 1kΩ to 100kΩ (depending on light intensity)
- Dimensions: 5mm x 5mm
- Weight: 1g
- Power Requirements: N/A
- Interfaces: Analog Input
- Port Mapping:
- Left LDR: GPIO 35
- Right LDR: GPIO 34
- Compatibility: Compatible with standard analog input interfaces.
- Environmental Requirements: Operating Temperature: -20°C to 70°C
- Installation Instructions:
- Connect one leg of each LDR to its designated GPIO pin on the ESP32 development board.
- Connect the other leg of each LDR to a 10kΩ resistor.
- Connect the other end of the resistor to 3.3V.
- Maintenance and Support: No specific maintenance is required.
- Troubleshooting: Verify proper connections and LDR functionality using a multimeter. Calibrate the LDR readings if necessary.
- References: Arduino
Description: The servo motor controls the position of the shaded sliding window, adjusting the amount of light exposure based on the measured light intensity and user-defined parameters.
Features:
- Precise angle control
- PWM control interface
- High torque
Technical Specifications:
- Operating Voltage: 5V DC
- Operating Current: 500mA
- Rotation Angle: 180 degrees
- Dimensions: 40mm x 20mm x 38mm
- Weight: 40g
- Interfaces: PWM
- Port Mapping: GPIO 33
- Compatibility: Compatible with standard servo motor libraries.
- Environmental Requirements: Operating Temperature: 0°C to 55°C
- Installation Instructions:
- Connect the servo motor's control wire to GPIO 33 on the ESP32 development board.
- Connect the servo motor's power wire to 5V and the ground wire to GND.
- Maintenance and Support: No specific maintenance is required.
- Troubleshooting: Verify proper power supply and connections. Check the servo motor's functionality using a servo motor tester.
- References: Arduino
| Component | GPIO Pin |
|---|---|
| OLED Display (SSD1306) | SDA - GPIO21 |
| SCL - GPIO22 | |
| Buzzer | GPIO25 |
| Push Buttons | Menu Button - GPIO23 |
| Go Forward Button - GPIO5 | |
| Go Backward Button - GPIO18 | |
| Cancel Button - GPIO19 | |
| Light Dependent Resistors | Left LDR - GPIO35 |
| Right LDR - GPIO34 | |
| Servo Motor | GPIO33 |
