HX711 Load Cell Amplifier Module

The HX711 Load Cell Amplifier Module is a compact precision interface board designed for reading signals from strain-gauge load cells and electronic weighing sensors. It uses the HX711 24-bit analog-to-digital converter to amplify very small differential signals from a load cell and convert them into digital data that can be processed by Arduino, ESP32, Raspberry Pi, and other microcontroller platforms. The module provides dedicated terminals for load-cell excitation and signal connections along with simple DT and SCK digital interface pins. It is widely used in electronic weighing scales, force measurement systems, pressure measurement projects, industrial monitoring, and DIY weighing applications.

Technical Specifications:

• Product Type: Load Cell Amplifier and ADC Module
• Main IC: HX711
• ADC Resolution: 24-bit
• Input Type: Differential load-cell input
• Channels: 2 differential input channels
• Digital Interface: DT and SCK
• Load Cell Connections: E+, E-, A+, A-, B+, B-
• Power Pins: VCC and GND
• Sampling Rates: 10 SPS / 80 SPS selectable
• Compatible Sensors: Strain-gauge load cells and bridge sensors

Features:

• High-resolution 24-bit analog-to-digital conversion
• Designed specifically for load-cell and weighing applications
• Amplifies low-level differential sensor signals
• Simple two-wire digital communication with microcontrollers
• Supports multiple load-cell wiring connections
• Compact PCB suitable for embedded projects
• Easy integration with Arduino, ESP32 and similar controllers

Applications:

• Electronic weighing scales
• Digital kitchen and platform scales
• Load and force measurement systems
• Industrial weighing equipment
• Pressure and strain measurement projects
• Smart IoT weighing systems
• Robotics and automation projects
• DIY load-cell testing and experimentation