Bit-Tree Creativity - 8-Channel Infrared Line Tracking Module

8-Channel Infrared Line Tracking Module (A054)

BIT-TREE 8-Channel Infrared Line Tracking Module adopts 8 pairs of infrared transmit-receive tubes for parallel detection. It can accurately distinguish black lines and road surfaces. Equipped with an adjustable sensitivity potentiometer and ambient light suppression switch, with digital TTL output. 3.3V-5V wide voltage supply. Specially designed for smart car line tracking, maze walking and track recognition.

8-Channel Parallel Line Tracking 8 groups of infrared sensors work simultaneously, wider detection range, support complex track identification.

Adjustable Sensitivity Onboard potentiometer to flexibly adjust detection threshold, adapt to different ground materials and line colors.

Anti-Strong Light Interference Built-in ambient light suppression switch, effectively resist outdoor strong light disturbance, stable outdoor operation.

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Parameter Category	Item	Specification Details
Basic Parameters	Module Model	8-Channel Infrared Line Tracking Module (A054)
Basic Parameters	PCB Outline Dimension	64.00mm × 25.00mm
Basic Parameters	Effective Sensing Area	56.00mm × 16.00mm
Basic Parameters	Sensing Unit	8 sets of independent infrared transmit & receive pairs (U1~U8)
Basic Parameters	Driver Comparator IC	U9/U10 Dual Comparator Chip (Typical LM393)
Basic Parameters	Detection Distance	1~20mm adjustable; On-board potentiometer ADJ for sensitivity adjustment
Basic Parameters	Output Signal Type	TTL digital level; High level = Black line / low reflectivity surface detected
Basic Parameters	Supply Voltage	3.3V~5V DC, 5V recommended, compatible with 3.3V MCU
Basic Parameters	On-board Components	PWR power indicator, sensitivity adjustment potentiometer, ambient light suppression switch LIGHT/SW1
Basic Parameters	Product Weight	Bare PCB: approx. 7g; Finished module with soldered components: approx.12g, weight tolerance ±0.8g for mass production
10Pin FPC Header Definition	VCC	Positive power input; 5V/3.3V for infrared tubes and comparator power supply
10Pin FPC Header Definition	GND	Negative power; Must share ground with MCU to ensure consistent level reference & stable signal transmission
10Pin FPC Header Definition	OUT1~OUT8	8 independent detection signal outputs, corresponding to channel U1~U8, transmit detection results directly to main controller
Core Feature - 8 Channel Parallel Detection	Simultaneous reflection data acquisition from 8 points, suitable for cross & multi-branch complex tracking tracks	Multi-channel simultaneous road surface data collection, capable of detecting forks and curves, ideal for high-complexity robot racing tracks
Core Feature - Adjustable Sensitivity	Adjust detection threshold via potentiometer, adapts to tracks with different colors & surface materials	Rotate onboard potentiometer to change trigger threshold; compatible with white paper, wood grain and various marking lines
Core Feature - Ambient Light Suppression Switch	Enable/disable strong light filtering to reduce interference from sunlight and indoor lighting	Reduce external infrared interference; stable black line detection for outdoor and window-side scenarios
Core Feature - Pure Digital Output	No MCU ADC sampling required; ordinary IO ports read level directly to locate black lines	Eliminate analog-to-digital conversion, lower programming difficulty; quick status reading via general IO pins
Core Feature - Low Power Static Design	Low standby quiescent current, suitable for battery-powered smart cars & mobile robots	Low standby power consumption extends battery life for long-term operation of battery-driven mobile robots
Packaging Option	Optional Packages	① Anti-static soft bag ② White hanging-hole card box ③ Kraft paper box

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