HX711 Load Cell Amplifier Module
HX711 Load Cell Amplifier Module has a 5-10 day lead time before dispatch. Order will only be sent once all items are available for delivery.
HX711 Load Cell Amplifier Module
The HX711 is a high-precision 24-bit analog-to-digital converter (ADC) designed specifically for weighing scales and strain gauge load cells. It converts the small millivolt signals from load cells into a digital signal readable by microcontrollers like Arduino, ESP32, and Raspberry Pi, making it perfect for weight and force measurement projects.
Specifications
- High-precision 24-bit ADC for load cells
- Two differential input channels (A and B) for multiple sensor setups
- Programmable gain amplifier (PGA) selectable: 32, 64, 128
- Operating voltage: 2.6V to 5.5V
- Low power consumption (<1.5mA)
- Noise rejection for 50/60Hz AC mains interference
- Dimensions: 20mm x 35mm
Wiring
| Pin | Function |
|---|---|
| VCC | Power supply 2.6–5.5V |
| GND | Ground |
| DT / DOUT | Data output to microcontroller |
| SCK / CLK | Clock input from microcontroller |
| E+ / E− | Excitation output to load cell |
| A+ / A− | Differential input from load cell channel A |
Applications
- DIY digital scales and bathroom scales
- Industrial weighing and batching systems
- Robotics with force or weight feedback
- Embedded electronics projects with microcontrollers
- Accurate weight and pressure sensing using load cells
The HX711 is compatible with a wide range of load cells. For example, it can be paired with our 1kg, 5kg, 10kg, 20kg, or 50kg load cells for precise digital weight measurement.
Ideal for both single-sensor setups with bridge completion resistors or multiple load cell configurations, the HX711 ensures accurate, stable, and high-resolution readings for your projects.
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