SmartElex RLS05 Line Follower Sensor
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The SmartElex RLS05 Line Follower Sensor is a compact and easy-to-use module designed to help robots detect and follow lines on a surface with accuracy. It is ideal for students, makers, educators, and early-stage engineers who are learning robotics or building simple autonomous systems. The sensor simplifies line detection by clearly identifying path contrasts, making it easier to develop reliable line-following behavior without complex circuit design.
This sensor is widely used in line follower robots, educational robotics kits, and automation prototypes where precise path tracking is required. It integrates smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick setup and experimentation. With dependable performance and straightforward interfacing, the SmartElex RLS05 enables users to focus on coding logic and robot movement, making it well suited for classrooms, labs, competitions, and DIY robotics projects in India.
Press the calibration button once or pull the CAL pin low for a few milliseconds. When three LEDs (D0, D2, and D4) turn ON, the module has entered calibration mode.
Place the RLS05 module on a white surface and press the calibration button again. When two LEDs (D3 and D4) turn ON, the white surface values are read and saved in EEPROM.
Place the module on a black surface and press the calibration button once more. When three LEDs (D2, D3, and D4) turn ON, the black surface values are read and stored.
To enable white line following, press the calibration button three times within one second. LEDs (D2, D3, and D4) will blink to confirm selection.
To enable black line following, press the calibration button twice. LEDs (D0, D1, and D2) will blink to confirm the mode selection.
| Parameter | Details |
|---|---|
| Model | Line Follower Sensor Module |
| Model No. | RLS05 |
| Voltage Rating (V) | 9 to 12 |
| Operating Current (mA) | 130 |
| Optimal Sensing Distance (mm) | 3 |
| PCB Size (L x W) mm | 77 x 39 |
This item is covered with a supplier warranty of 1 year from the time of delivery against manufacturing defects only.
In case of manufacturing defects or issues, we will replace the part after warranty confirmation by our technical team, but we won’t offer refunds or replace the entire product.
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