* **Modern MCU Platform** – Today's ESP32 microcontrollers offer performance and capabilities that bring them much closer to industrial PLC controllers than they were just a few years ago, making them an excellent platform for high-precision measurement systems.
* **Portable Power** – A Makita 5Ah battery provides a reliable, long-lasting power source, ensuring stable operation both in the workshop and in the field.
* **Infrared Communication** – The integrated IR receiver enables fast, simple, and reliable command input, allowing efficient interaction with the firmware without additional hardware.
* **Environmental Monitoring** – The DHT22 sensor continuously measures ambient temperature and humidity to verify measurement conditions. Future firmware versions will use these values to compensate laser measurements for maximum accuracy.
* **Acoustic Feedback** – A programmable buzzer provides clear audio notifications for system states, operating modes, warnings, and user actions.
* **SD Card Storage** – The SD card interface enables easy transfer of measurement data, configuration files, firmware settings, and service logs between the device and a computer.
* **High-Precision Force Measurement** – The HX711 24-bit ADC delivers highly accurate load cell measurements, providing stable and repeatable force readings throughout the measurement process.
* **Precision Motion Control** – The TMC2209 stepper driver and precision stepper motor generate and maintain a constant pulling force of up to **5 kg**, ensuring stable and repeatable conditions during laser-based measurements.
* **Industrial User Interface** – A 2.42-inch I²C OLED display presents measurement data, system status, diagnostics, and calculation results with excellent readability, giving the operator
* **Industrial-Grade Laser Measurement** – The JRT UB2B laser distance sensor provides **±1 mm accuracy** with measurement rates of up to **10 Hz**. Designed for industrial applications, it ensures highly repeatable, stable, and reliable distance measurements, forming the foundation of the system's precision.
I²C OLED display presents measurement data, system status, diagnostics, and calculation results with excellent readability, giving the operator immediate access to all critical
information.immediate access to all critical information.




Firmware – The Intelligence Behind the System
The firmware is the heart of every Mater Paragliding Tools device. While the hardware provides precision mechanics and high-quality sensors, the firmware transforms them into a reliable professional instrument.
Our current Zero Series firmware is designed as a functional engineering platform. It focuses on stability, accurate measurements, and validating every hardware component under real working conditions. Every measurement, every motor movement, and every sensor reading is monitored, verified, and recorded to ensure repeatable results.
Built on the ESP32-S3 platform, the firmware integrates laser distance measurement, load cell control, environmental monitoring, SD card logging, and intelligent motor control into a single embedded system. Its modular architecture allows every function to be tested, refined, and expanded independently, ensuring a solid foundation for future development.
The Zero Series is not the final commercial firmware. It is an engineering validation platform that allows us to evaluate mechanics, electronics, and real-world workflow before introducing the industrial release.
The final version will feature industrial-grade firmware with a modern Web UI, simplified configuration, remote diagnostics, automatic calibration assistance, and continuous software improvements—bringing professional precision together with an intuitive user experience.
By measuring both new and used lines under identical conditions, we have demonstrated that the system can do more than simply measure length. It also has the potential to determine the condition of each individual line during the measurement process, providing valuable insight into line wear, stretching, and overall serviceability.
The real game changer isn't just the hardware or the software—it's the intelligence behind the entire measuring process. By combining engineering experience, real service feedback, and modern embedded technology, Mater Paragliding Tools is redefining how paraglider trimming is performed.
Precision is measured in millimeters. Confidence is built into every line of code.