⚖️ HX711 Load Cell Amplifier Module with 4 Weight Sensors – High Accuracy Digital Weighing Kit ⚖️
This kit includes an HX711 amplifier board and four precision load cells, ideal for accurate weight or force measurement in DIY and industrial applications.
The HX711 amplifies the weak analog differential signal from load cells and converts it to a 24-bit digital output readable by microcontrollers like Arduino, ESP32, or Raspberry Pi.
✅ Technical Specifications:
- Model: HX711 + 4 Load Cells
- Operating Voltage: 2.7V – 5V DC
- ADC Resolution: 24-bit
- Digital Interface: DT & SCK (Clock and Data Pins)
- Number of Load Cells: 4 units
- Load Capacity: ≈20Kg each (up to 80Kg total)
- Analog Input Channels:
- E+ / E-: Excitation voltage for load cell supply.
- A+ / A-: Main input signal channel.
- B+ / B-: Secondary channel (optional).
- Signal Type: Analog Differential Input
- Sampling Rate: 10Hz to 80Hz adjustable
- Material: High-strength aluminum alloy
- Operating Temperature: -10°C to +55°C
- Total Weight: ≈80g
🔹 Pinout:
- VCC: 5V Power Input
- GND: Ground
- DT: Data Output
- SCK: Clock Input
- E+: Load Cell Positive Excitation
- E-: Load Cell Negative Excitation
- A+ / A-: Differential Signal Input
🔹 Key Features:
✔ 24-bit high-precision ADC for accurate measurement.
✔ Supports E+, E-, A+, A-, B+, B- load cell connections.
✔ Fully compatible with Arduino, ESP32, Raspberry Pi, and STM32.
✔ Ideal for digital weighing systems and automation.
✔ Compact, stable, and easy to integrate.
📌 Common Applications:
- Digital weighing systems and smart scales.
- Industrial or lab weight measurement.
- Material tracking and process control.
- Educational and engineering projects.
- Load sensing in robotics.
