HX711 Load Cell Amplifier Module – 24-Bit ADC for Weight Sensors

The HX711 Load Cell Amplifier Module is a precision 24-bit analog-to-digital converter designed for weight measurement applications using strain gauge load cells. It integrates a low-noise programmable gain amplifier (PGA) and internal regulator to provide stable signal conditioning for load cell sensors. The module simplifies the interface between load cells and microcontrollers such as Arduino, Raspberry Pi, and other embedded platforms. It is commonly used in digital scales, industrial weighing systems, and measurement instrumentation.

• HX711 24-bit precision ADC for load cell measurement
• Integrated programmable gain amplifier PGA
  
• Selectable gain values 32, 64, and 128
  
• Two differential analog input channels
  
• Internal regulator for load cell power supply
  
• Selectable output data rate 10 SPS or 80 SPS
  
• Simultaneous 50 Hz and 60 Hz noise rejection
• Simple two-wire digital interface
  
• No programming required for basic operation
• Low current consumption design
  
• Compatible with Arduino, Raspberry Pi, and MCU platforms
  
• Designed for digital weighing and force measurement systems

• Two selectable differential input channels
• On-chip active low noise PGA with selectable gain of 32, 64 and 128
• On-chip power supply regulator for load-cell and ADC analog power supply
• Selectable 10SPS or 80SPS output data rate
• Simultaneous 50 and 60Hz supply rejection
• On-chip oscillator requiring no external component with optional external crystal
• On-chip power-on-reset
• Simple digital control and serial interface: pin-driven controls, no programming needed
• Current consumption including on-chip analog power supply regulator: normal operation < 1.5mA, power down < 1uA
• Operation supply voltage range: 2.6 ~ 5.5V
• Operating Temperature Range:-20 degree ~ +85 degree

• HX711 Load Cell Amplifier Module Datasheet
• HX711 Symbol and Footprint
• HX711 loadcell amplifier 3D Model
• HX711 Boards Case

• Arduino Scale with HX711 and 50kg Bathroom Scale Load Cells | Step by Step Guide.