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Climb-Sense-Hold

Climb-Sense-Hold is a climbing hold that can sense when it is grasped by a climber. Intended for use in climbing gyms, especially on moon boards, it aims to enhance training by dynamically indicating the next hold to grab based on real-time sensing.

Screenshot 2024-03-11 at 2 02 14 PM

Check out a demo here

Technical Details

  • Utilizes capacitive touch sensing facilitated by nickel-based conductive paint applied to the climbing holds.
  • Hardware: Includes Arduino Mega 2560, Adafruit MPR121 touch sensor, conductive paint, and standard climbing hold materials.
  • Functionality: Holds change color to guide climbers: blue for the next target, red for holds to avoid, and green to confirm a successful grip.

Prototyping

Flexible Pressure Sensor: First approach; discarded due to inconsistency and installation challenges.

Screenshot 2024-03-11 at 1 58 50 PM

Atmospheric Pressure Sensor: Second approach; discarded due to sealing issues and extremely fine granularity in pressure changes.

Screenshot 2024-03-11 at 1 59 05 PM

Capacitive Touch Sensing: Chosen method for its simplicity, minimal hardware requirements, and ease of integration.

Screenshot 2024-03-11 at 1 59 15 PM

Final Design

I built a hang board featuring six sensor-equipped holds, implementing a game to aid in strength training. The system uses LEDs to guide the climber and simple logic to process touch input and control the LEDs.

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climbing holds that sense when you grab them

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