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The 3 Channel Path Tracing Module is a reflective infrared sensor module designed for line following, path detection, and edge sensing applications. Equipped with three independent IR emitter–receiver pairs, it can accurately detect black/white contrast and guide robots or automated vehicles along a predefined path. The module provides stable digital outputs and is ideal for robotics competitions, DIY robots, educational STEM projects, and automation systems requiring multi-point line tracking.
1 × 3-Channel IR Line Tracking & Path Detection Sensor Module
| Sensor Type | IR reflective sensors (3-channel) |
|---|---|
| Output Type | Digital (HIGH/LOW for each channel) |
| Operating Voltage | 3.3V – 5V |
| Detection Range | Typically 0.5 – 3 cm (surface dependent) |
| Sensitivity | Adjustable (versions with onboard potentiometers) |
| Indicators | Onboard signal LEDs for each channel |
| Interface | 3 digital outputs + VCC + GND |
| Dimensions | Compact module size |
| Applications | Line-following robots, path tracing, edge detection, AGV systems, DIY robotics |
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