Design and Build an Automatic Chair Wheel Control System with Microcontroller-Based Arduino Flex Sensors
Keywords:
Automatic Wheelchair, Arduino, Joystick, Flex Sensor, Microcontroller.Abstract
This research aims to design and build an automatic chair wheel control system that can help improve the independence and mobility of people with disabilities. The system uses an Arduino Uno R3 microcontroller as the control center, as well as a joystick and flex sensor as motion command inputs. Other key components include a 24V DC motor, a driver motor, an I2C LCD, and a 24V 30Ah lithium-ion battery as a power source. The system is designed to respond to gesture commands such as forward, backward, left turn, right turn, and stop based on input from the user. The test results showed that the system successfully recognized the direction of movement through the signal from the joystick, controlled the DC motor in the direction, and displayed the motion status information in real-time on the LCD. The whole system works well, is responsive, and synchronous. Thus, this system can be an effective, economical, and applicative auxiliary technology solution for wheelchair users. Further development can be directed at the addition of security sensor features and body movement-based control (flex sensor).
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