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 Tindeq Progressor app (Android | iOS)
- Compatible with Frez app (formerly ClimbHarder) (Android | iOS)
- Sampling frequency: 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 × 90 × 35 mm
- Uses the Tindeq Progressor API
⚠️ Warning: Some of these specs come from the crane scale, if you use a different one, those values might change.
Content of the Book
This book covers everything from assembly and calibration to firmware internals and PCB design. Below are the available sections:
⚠️ Note: If you’re interested in reproducing this project or giving it a try, please, reach out! You can contact me via email (sergio.gasquez@gmail.com), X (formerly Twitter) or Bluesky.