The BDD HX711 Load Cell Amplifier with Display is a compact, high-accuracy weight measurement solution designed for DIY electronics, embedded systems, and light industrial applications. Built around the widely trusted HX711 24-bit analog-to-digital converter, this module accurately amplifies and converts the tiny millivolt signals produced by strain gauge load cells into precise, stable digital weight readings.
What sets this unit apart is its integrated digital display, allowing real-time weight monitoring without the need for a PC, microcontroller, or external display for basic operation. This makes it ideal for standalone weighing projects as well as development and prototyping environments where fast validation and visibility are required.
The HX711 chip is specifically engineered for electronic scale and industrial control applications. Its high resolution and low noise performance ensure excellent repeatability and accuracy, even when measuring small weight changes. The module supports standard 4-wire and 5-wire load cells, commonly used in kitchen scales, postal scales, and force measurement systems, with typical sensor ratings from 5kg to 10kg and a maximum display capacity of 9999g.
With a simple low-voltage DC power requirement (3.5V-5V), the module integrates easily with Arduino, Raspberry Pi, ESP8266/ESP32, and other microcontroller platforms via a 2-wire serial interface. This makes it an excellent choice for smart scales, IoT-based monitoring systems, robotics projects, and educational demonstrations.
Designed for reliability, the module operates over a wide temperature and humidity range, making it suitable for both indoor and workshop environments. Its compact footprint allows easy mounting into enclosures, instrument panels, or custom-built scale housings.
Key Features
- High-precision 24-bit HX711 ADC for accurate weight measurement
- Integrated digital display for real-time weight readout
- Supports 4-wire and 5-wire strain gauge load cells
- Ideal for DIY scales, Arduino projects, and embedded systems
- Stable performance with low noise and high sensitivity
- Simple wiring and easy integration
- Compact and lightweight design
Electrical Specifications
- Input Voltage: DC 3.5V - 5V
- Supported Load Cells: 5kg / 10kg strain gauge sensors
- Maximum Measurable Weight: 9999g
Environmental Specifications
- Operating Temperature: -25 C to +85 C
- Operating Humidity: 5% - 95% RH
Mechanical Specifications
- Dimensions: 56 × 33 × 11 mm
Applications
- DIY electronic weighing scales
- Arduino and Raspberry Pi weight measurement projects
- Smart kitchen and postal scales
- Force and pressure testing rigs
- Robotics and automation feedback systems
- Educational electronics and sensor experiments
What's in the box
1 x BDD HX711 Load Cell Amplifier with Digital Display for DIY Scales 3.5-5V