Theremino

Theremino Load Cells HX711

18,00 €

The Theremino LoadCells Module is an integrated board with Arduino Nano and HX711 (24-bit) for high-resolution weighing. It offers selectable channels (A/B) and gain (32x, 64x, 128x) via serial commands and is managed directly by Theremino Automation.

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Descrizione

⚖️ Theremino LoadCells Module: Direct USB Weighing Interface

The Theremino LoadCells Module is an integrated, high-resolution solution designed for connecting and reading strain gauge load cells and pressure sensors. This module combines the popular HX711 24-bit ADC with the versatility of an Arduino Nano Super Mini on a custom PCB, creating a powerful, precise, and simplified digital weighing system.

This module is the ideal choice for quickly building analytical balances, industrial scales, or any application demanding high-accuracy weight or force readings without relying on the HAL application.

Key Features, Precision, and Flexibility

  • High-Resolution 24-bit ADC: Utilizes the high-performance HX711 chip, providing 24-bit analog-to-digital conversion for exceptional resolution, crucial for precision weighing.

  • Selectable Channels and Gain: The firmware allows the user to easily switch between the two available input channels of the HX711 (Channel A and B) and select the amplification gain via simple serial commands from the PC:

Mode (Command)

Channel

 Gain Application
Mode 0 (mode0) Inactive – Disables reading/output.
Mode 1 (mode1) Channel A 128 Max gain, standard for sensitive load cells.
Mode 2 (mode2) Channel A 64 Lower gain, suitable for sensors with higher output voltages.
Mode 3 (mode3) Channel B 32 Lowest gain option, ideal for general-purpose applications.

  • Direct USB Communication: The module reads data and communicates directly with the PC via a single USB connection, bypassing the standard Theremino HAL application.

  • Native Theremino Automation Support: Works seamlessly with Theremino Automation, which is used to implement all advanced features, including the filtering, zero setting (tare), and scaling (calibration).

  • Compiler Agnostic: Since communication is handled via the generic USB COM port, the module can interface with any compiler or high-level application that supports serial communication.

System Requirements

The functionality of the LoadCells Module is designed for maximum simplicity:

  1. Theremino Automation Software: Essential for providing the user interface, calibration functions (Set Zero, Set Scale), data processing (filtering), and data output to the Theremino Slots.

  2. USB Connection: The module connects and is powered via a single USB cable.

Essential Resources and Documentation

To set up, calibrate, and use your LoadCells Module for precision weighing:

Resource Description Useful Link
Theremino Automation The core application for managing the module, implementing calibration, filtering data, and defining weighing algorithms. Download Theremino Automation
Load Cells Project Guide Detailed information on wiring, calibration, and best practices for load cells and the HX711 chip. Theremino Load Cells/Scale Documentation
Theremino Automation Code Example The example script that provides the full weighing logic (zero, scale, filter) and button controls. [Link to your code/script download]

 

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