HX711 MODULE LOAD CELL VOLTAGE AMPLIFIER

150.0

The HX711 is a precision 24-bit analog-to-digital converter (ADC) designed for weigh scales and industrial control applications to interface directly with a bridge sensor. It is commonly used with load cells to measure weight in various applications.

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    Here is a brief overview of the HX711 module and its connection to a load cell:

    Components:

    1. HX711 Module:
      • The HX711 module usually has a 16-pin interface. It consists of an analog-to-digital converter, programmable gain amplifier, and other supporting components.
    2. Load Cell:
      • A load cell is a transducer that converts force or weight into an electrical signal. It typically has strain gauges that change resistance when subjected to force.

    Connection:

    1. HX711 Module Pinout:
      • The module usually has pins labeled as VCC, GND, DT (Data), and SCK (Clock). Some modules might have additional pins for calibration.
    2. Load Cell Connection:
      • Connect the load cell to the HX711 module. The load cell typically has four wires: red (excitation+), black (excitation-), white (signal+), and green (signal-).
      • Connect the red wire to E+ on the HX711 module, the black wire to E-, the white wire to A-, and the green wire to A+.
    3. Power Supply:
      • Connect VCC on the HX711 module to a 5V power supply and GND to ground.
    4. Microcontroller/Arduino:
      • Connect the DT pin to a digital input on your microcontroller/Arduino.
      • Connect the SCK pin to another digital input on your microcontroller/Arduino.