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One Metre Plus (1M+): A Multifunctional Open-Source Sensor for Bicycles Based on Raspberry Pi.

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Researchers developed the open-source "one metre plus" (1m+) sensor to measure cyclist passing distances. This low-cost device democratizes safety research by enabling global data sharing and comparability.

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Area of Science:

  • Transportation Engineering
  • Public Health
  • Open Science

Background:

  • Bicycle-mounted sensors are crucial for analyzing vehicle-cyclist interactions.
  • Measuring lateral passing distance is key to cyclist safety research.
  • Existing sensor solutions can be costly and inaccessible.

Purpose of the Study:

  • To introduce the "one metre plus" (1m+) sensor, a low-cost, open-source device for measuring lateral passing distance.
  • To provide researchers with accessible tools for cyclist safety studies.
  • To foster a platform for standardized data sharing in transportation research.

Main Methods:

  • Detailed description of the 1m+ sensor's conceptualization, design, and materials.
  • Open-source release of plans, code, and schematic designs.
  • Evaluation of the sensor's functionalities and performance in field applications.

Main Results:

  • The 1m+ sensor successfully measures lateral passing distance, records GPS data, and captures video.
  • Open-source availability facilitates widespread adoption and adaptation by the scientific community.
  • The device's low cost makes advanced cyclist safety research more accessible.

Conclusions:

  • The 1m+ sensor democratizes research by providing an affordable and open platform.
  • Standardized data collection through this tool will enhance the comparability of results globally.
  • This initiative promotes collaborative research and knowledge sharing in cyclist safety.