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50kg Load Cell with HX711 Weight Sensor

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Component Name

50kg Load Cell with HX711 Weight Sensor

Overview

The 50kg Load Cell with HX711 Weight Sensor is a high-precision weight measurement module designed for industrial and commercial applications. This component combines a 50kg load cell with a high-performance HX711 weight sensor, providing accurate and reliable weight measurements.

Load Cell

The 50kg load cell is a strain gauge-based transducer that converts weight or force into an electrical signal. It is designed to measure weights up to 50kg with high accuracy and precision. The load cell has a robust construction, ensuring durability and reliability in harsh environments.

HX711 Weight Sensor

The HX711 weight sensor is a 24-bit analog-to-digital converter (ADC) designed specifically for weight measurement applications. It features a high-resolution converter with a wide input range, making it suitable for a variety of load cell types. The HX711 provides a digital output signal that is directly proportional to the weight applied to the load cell.

Functionality

  • The load cell converts the applied weight into an electrical signal.
  • The HX711 weight sensor amplifies and converts the analog signal from the load cell into a 24-bit digital signal.
  • The digital signal is then output through the module's communication interface (e.g., I2C or UART).
The 50kg Load Cell with HX711 Weight Sensor module operates as follows

Key Features

  • High-Accuracy Weight Measurement: The module provides accurate weight measurements with a resolution of up to 0.1kg.
  • Wide Weight Range: The load cell can measure weights up to 50kg, making it suitable for a variety of industrial and commercial applications.
  • High-Speed Conversion: The HX711 weight sensor provides fast conversion rates, allowing for real-time weight measurement and monitoring.
  • Low Power Consumption: The module operates with low power consumption, making it suitable for battery-powered devices.
  • Robust Construction: The load cell and HX711 weight sensor are designed to withstand harsh environments and offer high reliability.
  • Easy Integration: The module features a simple and easy-to-use interface, making it easy to integrate into existing systems.
  • Multi-Interface Options: The module provides multiple communication interface options, including I2C, UART, and SPI, allowing for flexibility in system design.

Applications

  • Industrial Automation: The module is suitable for industrial automation applications, such as weighing systems, packaging machines, and material handling systems.
  • Commercial Scales: The module can be used in commercial scales, such as retail scales, counting scales, and industrial scales.
  • Medical Devices: The module can be used in medical devices, such as hospital scales, patient lifts, and medical weight measurement systems.
  • Agricultural Applications: The module can be used in agricultural applications, such as livestock scales, grain weighing systems, and agricultural automation.

Technical Specifications

| Parameter | Value |

| --- | --- |

| Maximum Weight Capacity | 50kg |

| Weight Resolution | 0.1kg |

| Load Cell Type | Strain Gauge |

| HX711 Weight Sensor Resolution | 24-bit |

| Communication Interface | I2C, UART, SPI |

| Operating Voltage | 5V |

| Power Consumption | <20mA |

| Operating Temperature | -20C to 80C |

| Storage Temperature | -40C to 125C |

Conclusion

The 50kg Load Cell with HX711 Weight Sensor is a high-performance weight measurement module designed for industrial and commercial applications. With its high accuracy, wide weight range, and low power consumption, it is an ideal solution for a variety of weight measurement applications.

Pin Configuration

  • 50kg Load Cell with HX711 Weight Sensor Documentation
  • Overview
  • The 50kg Load Cell with HX711 Weight Sensor is a high-precision weight measurement module designed for various industrial and commercial applications. It combines a 50kg load cell sensor with an HX711 24-bit analog-to-digital converter (ADC) to provide accurate weight measurements. This documentation provides a detailed explanation of the pins and connection guide for the module.
  • Pin Description
  • The module has a total of 6 pins, which are labeled as follows:
  • 1. E+ (Excitation Positive)
  • Function: Power supply for the load cell sensor
  • Voltage: 5V (typical)
  • Description: This pin provides the positive excitation voltage to the load cell sensor.
  • 2. E- (Excitation Negative)
  • Function: Power supply for the load cell sensor
  • Voltage: 5V (typical)
  • Description: This pin provides the negative excitation voltage to the load cell sensor.
  • 3. S+ (Signal Positive)
  • Function: Output signal from the load cell sensor
  • Voltage: Differential output signal (typically 1-4mV/V)
  • Description: This pin carries the positive output signal from the load cell sensor.
  • 4. S- (Signal Negative)
  • Function: Output signal from the load cell sensor
  • Voltage: Differential output signal (typically 1-4mV/V)
  • Description: This pin carries the negative output signal from the load cell sensor.
  • 5. CLK (Clock)
  • Function: Clock input for the HX711 ADC
  • Frequency: 10-50Hz (typical)
  • Description: This pin provides the clock signal for the HX711 ADC to sample the load cell sensor output.
  • 6. DAT (Data)
  • Function: Digital output from the HX711 ADC
  • Protocol: Serial (SPI-compatible)
  • Description: This pin provides the digital output data from the HX711 ADC, which represents the weight measurement.
  • Connection Guide
  • To connect the 50kg Load Cell with HX711 Weight Sensor to a microcontroller or other devices, follow these steps:
  • Step 1: Power the Load Cell
  • Connect E+ to a 5V power supply
  • Connect E- to a 5V power supply (or GND, if using a single power supply)
  • Step 2: Connect the Load Cell Output
  • Connect S+ to a differential amplifier or instrumentation amplifier (if required)
  • Connect S- to a differential amplifier or instrumentation amplifier (if required)
  • Step 3: Connect the HX711 ADC
  • Connect CLK to a clock signal source (e.g., a microcontroller's clock output)
  • Connect DAT to a microcontroller's digital input (e.g., SPI input)
  • Step 4: Configure the Microcontroller
  • Configure the microcontroller to generate a clock signal on the CLK pin
  • Configure the microcontroller to read the digital data from the DAT pin using the SPI protocol
  • Configure the microcontroller to process the weight measurement data according to the HX711 ADC's datasheet
  • Note: Make sure to refer to the datasheets of the load cell sensor and HX711 ADC for specific requirements and guidelines on power supply, signal conditioning, and data processing. Additionally, ensure proper electrical connections and ESD protection when handling the module.

Code Examples

50kg Load Cell with HX711 Weight Sensor Documentation
Overview
The 50kg Load Cell with HX711 Weight Sensor is a high-precision weight measurement module designed for industrial and commercial applications. It combines a 50kg load cell with an HX711 24-bit analog-to-digital converter (ADC) to provide accurate and reliable weight readings.
Technical Specifications
Load Cell Capacity: 50kg
 Load Cell Accuracy: 0.1% of full scale
 HX711 ADC Resolution: 24-bit
 HX711 Sampling Rate: 10 Hz to 80 Hz
 Power Supply: 5V DC
 Communication Interface: SPI
Pinout
VCC: 5V power supply
 GND: Ground
 DT: Data output
 SCK: Clock input
 E+: Excitation voltage positive
 E-: Excitation voltage negative
Code Examples
Example 1: Basic Weight Measurement using Arduino
This example demonstrates how to use the 50kg Load Cell with HX711 Weight Sensor to measure weight using an Arduino board.
Hardware Requirements
Arduino Board (e.g., Arduino Uno)
 50kg Load Cell with HX711 Weight Sensor
 Jumper wires
Software Requirements
Arduino IDE
Code
```cpp
#include <HX711.h>
#define HX711_DOUT_PIN  3
#define HX711_SCK_PIN  2
HX711 scale(HX711_DOUT_PIN, HX711_SCK_PIN);
void setup() {
  Serial.begin(9600);
  scale.begin();
  scale.set_gain(64); // adjust gain to match your load cell
}
void loop() {
  float weight = scale.get_units(10); // average 10 readings
  Serial.print("Weight: ");
  Serial.print(weight, 2);
  Serial.println(" kg");
  delay(1000);
}
```
Example 2: Weight Measurement with Calibration using Raspberry Pi
This example demonstrates how to use the 50kg Load Cell with HX711 Weight Sensor to measure weight with calibration using a Raspberry Pi board.
Hardware Requirements
Raspberry Pi Board (e.g., Raspberry Pi 4)
 50kg Load Cell with HX711 Weight Sensor
 Jumper wires
Software Requirements
Python 3.x
 RPi.GPIO library
Code
```python
import RPi.GPIO as GPIO
import time
# HX711 pin connections
DOUT_PIN = 17
SCK_PIN = 23
# calibration values
CALIBRATION_FACTOR = 100.0
ZERO_POINT = 0.0
GPIO.setmode(GPIO.BCM)
GPIO.setup(DOUT_PIN, GPIO.IN)
GPIO.setup(SCK_PIN, GPIO.OUT)
def read_weight():
    # read 24-bit data from HX711
    data = 0
    for _ in range(24):
        GPIO.output(SCK_PIN, 0)
        data <<= 1
        data |= GPIO.input(DOUT_PIN)
        GPIO.output(SCK_PIN, 1)
# convert data to weight
    weight = (data - ZERO_POINT) / CALIBRATION_FACTOR
    return weight
while True:
    weight = read_weight()
    print(f"Weight: {weight:.2f} kg")
    time.sleep(1)
```
Note: In this example, you need to adjust the `CALIBRATION_FACTOR` and `ZERO_POINT` values based on your specific load cell and application.