Most automated robotic projects start from a line-following robot. The Grove Line finder v1.1 is designed to achieve this task easily and quickly. Those eye-like sensors on the board are actually IR emitting LED and sensitive phototransistors. When the phototransistor detects the reflected infrared light from the IR emitting LED, it will output a digital signal, which changes from HIGH to LOW. This module also features an adjustable detection range and indication LEDS. Features * Integrated indicator LED * Digital output * Adjustable detecting range * Product number: Seeed 101020172 Specifications * Power supply: 5V DC * Digital output mode: TTL (High when black is detected, Low when white is detected) * Connector: 4 pin Buckled Grove interface * Dimension: 20mm x 20mm * Comparator: LMV358 * Photo reflective diode: RS-06WD Package Contents * 1x Grove Line Finder V1.1 Resources * Product Wiki https://elecena.pl/product/22724194/grove-line-finder-v1-1 2023-03-07 https://elecena.pl/product/22724194/grove-line-finder-v1-1 2023-12-27 https://elecena.pl/product/22724194/grove-line-finder-v1-1 2024-09-19 https://elecena.pl/product/22724194/grove-line-finder-v1-1 2024-11-29 https://elecena.pl/product/22724194/grove-line-finder-v1-1 2024-11-30 https://elecena.pl/product/22724194/grove-line-finder-v1-1 2025-09-30 https://elecena.pl/product/22724194/grove-line-finder-v1-1 2025-11-28 https://elecena.pl/product/22724194/grove-line-finder-v1-1 2025-11-29