A smart healthcare solution using an 8051 microcontroller-based line-following robot to automate medicine delivery in hospitals. Equipped with IR sensors and L293D motor drivers, this robot navigates pre-defined paths to transport medications between patient beds, reducing staff workload and improving efficiency.
- 8051 Microcontroller - Brain of the system
- IR Sensor Array (2x LM358 comparators) - Path detection
- L293D Motor Driver - Controls 4 DC motors
- Acrylic Chassis - With 65mm wheels
- Medicine Box with multiple compartments
- 12V DC Power Supply
- Proteus: Embedded C programming and simulation
- EasyEDA: Circuit design and PCB layout
- Embedded C: Microcontroller programming
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Automated medicine delivery to patient beds
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24/7 operation without human intervention
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Cost-effective alternative to manual delivery
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Reduces infection risks by minimizing contact
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Parameter Specification
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Path Accuracy - 92% on sharp turns
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Payload Capacity - 500g medicines
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Operating Speed - 0.3 m/s (adjustable)
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Battery Life - 4 hours continuous use
- Sensors: IR sensors detect the black line on a white surface.
- Comparators: Convert analog sensor signals into digital for microcontroller input.
- Microcontroller: Processes sensor input and controls the motors.
- Motor Driver: Drives the motors based on microcontroller instructions.
- Movement: Robot navigates the hospital floor delivering medications.
- The prototype functions as expected in lab conditions.
- Performance is reliable for basic path-following and stopping tasks.
- Improvements can be made with additional sensors for sharper turns and better path detection.