Crimpdeq
Meet Crimpdeq, a portable digital force sensor designed for climbers, coaches, and therapists to measure and train finger strength, pulling power, and endurance. It was inspired by Tindeq Progressor, and works with the Tindeq and Frez apps.
Specs
- Rechargeable battery with USB-C charging
- Communicates via Bluetooth Low Energy (BLE)
- Open-source firmware written in Rust
- Open-source PCB design
- Automatic sleep when inactive
- Compatible with the Tindeq Progressor app (Android | iOS)
- Compatible with the Frez app (formerly ClimbHarder) (Android | iOS)
- Sampling rate: 80 Hz
- Design load: 1500 N (~150 kg), full scale
- Precision:
- 0.05 kg between 0 and 99 kg
- 0.1 kg between 100 and 150 kg
- Operating temperature: 0-40 C
- Dimensions: 80 x 90 x 35 mm
- Uses the Tindeq Progressor API
⚠️ Warning: Some values come from the crane scale used in this project. If you use a different scale, those values may change.
Book Contents
This book covers everything from assembly and calibration to firmware internals and PCB design. Below are the available sections:
⚠️ Note: If you want to reproduce this project, feel free to reach out by email (sergio.gasquez@gmail.com), X (formerly Twitter), or Bluesky.