10kg Load Cell with HX711 Weight Sensor

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Component Description

Overview

The 10kg Load Cell with HX711 Weight Sensor is a precision weighing component designed for use in various industrial, commercial, and IoT applications. This component combines a high-accuracy load cell with a dedicated HX711 weight sensor, enabling precise weight measurement and monitoring. This documentation provides a detailed description of the component's functionality, features, and specifications.

Functionality

The 10kg Load Cell with HX711 Weight Sensor is designed to measure weights up to 10 kg with high accuracy and precision. The load cell is a transducer that converts the weight into an electrical signal, which is then amplified and processed by the HX711 weight sensor. The resulting output is a precise digital signal that can be interfaced with microcontrollers, computers, or other devices for further processing, display, or analysis.

Key Features

High Accuracy: The load cell has a high accuracy of 1% of the full scale, ensuring reliable and precise weight measurements.
High Resolution: The HX711 weight sensor provides a 24-bit analog-to-digital converter, offering a high resolution of 1:1,000,000, allowing for precise weight detection.
Wide Weight Range: The component can measure weights from 0 to 10 kg, making it suitable for a broad range of applications.
Low Noise and Drift: The HX711 weight sensor features a low noise floor and minimal drift, ensuring stable and reliable weight measurements over time.
Compact Design: The component has a compact design, making it ideal for integration into space-constrained devices and systems.
Easy Interface: The component provides a simple digital interface, allowing easy connection to microcontrollers, computers, or other devices.
Power Supply: The component operates on a single 2.7V to 5V power supply, making it suitable for battery-powered devices.
High-Speed Conversion: The HX711 weight sensor features a high-speed conversion rate of up to 80 conversions per second, enabling fast and responsive weight measurement.
Multiple Gain Settings: The HX711 weight sensor provides multiple gain settings, allowing for adjustment to optimize performance in various applications.
Robust Construction: The load cell is designed with a robust construction, ensuring resistance to environmental factors such as temperature, humidity, and vibration.

Specifications

Load Cell Specifications

+ Capacity	10 kg
+ Accuracy	1% of full scale
+ Resolution	1 mg
+ Operating Temperature	-20C to 80C
HX711 Weight Sensor Specifications
+ Analog-to-Digital Converter Resolution	24 bits
+ Conversion Rate	Up to 80 conversions per second
+ Power Supply	2.7V to 5V
+ Interface	Digital (SPI or I2C)
+ Operating Temperature	-20C to 85C

Physical Dimensions

+ Load Cell	50 mm x 30 mm x 20 mm
+ HX711 Weight Sensor	18 mm x 14 mm x 2.5 mm

Applications

The 10kg Load Cell with HX711 Weight Sensor is suitable for various applications, including

Industrial automation and process control

Commercial weighing scales and balances

Medical devices and healthcare applications

IoT devices and smart home systems

Robotics and mechatronics

Laboratory and research applications

Conclusion

The 10kg Load Cell with HX711 Weight Sensor is a high-accuracy, high-resolution weighing component designed for precise weight measurement and monitoring. Its compact design, ease of interface, and robust construction make it an ideal solution for a wide range of applications.

Pin Configuration

10kg Load Cell with HX711 Weight Sensor Documentation
Overview
The 10kg Load Cell with HX711 Weight Sensor is a high-precision weight measurement module designed for various industrial and commercial applications. The module combines a 10kg load cell with the HX711, a 24-bit analog-to-digital converter (ADC) integrated circuit. This documentation provides a detailed explanation of the pins on the HX711 Weight Sensor and how to connect them.
Pinout and Connections
The HX711 Weight Sensor has a total of 6 pins, labeled as follows:
Pin 1: VCC (Power Supply)
Function: Power supply pin for the HX711 IC
Description: Connect to a stable 2.7V to 5V DC power supply
Recommended Connection: Connect to the positive terminal of a power source (e.g., 3.3V or 5V) through a suitable voltage regulator or power supply module
Pin 2: GND (Ground)
Function: Ground pin for the HX711 IC
Description: Connect to the negative terminal of the power supply or system ground
Recommended Connection: Connect to the negative terminal of the power source (e.g., GND) or the system ground
Pin 3: DT (Data Out)
Function: Digital output pin for the weight data
Description: Provides the 24-bit digital weight data output
Recommended Connection: Connect to a microcontroller's digital input pin (e.g., Arduino's digital pin)
Pin 4: SCK (Clock Input)
Function: Clock input pin for the HX711 IC
Description: Provides the clock signal for the ADC conversion process
Recommended Connection: Connect to a microcontroller's digital output pin (e.g., Arduino's digital pin) that generates a clock signal
Pin 5: E+ (Excitation Positive)
Function: Excitation positive pin for the load cell
Description: Provides the excitation voltage to the load cell
Recommended Connection: Connect to the positive terminal of the excitation voltage source (e.g., 5V) through a suitable resistor (e.g., 1 k)
Pin 6: E- (Excitation Negative)
Function: Excitation negative pin for the load cell
Description: Provides the excitation ground to the load cell
Recommended Connection: Connect to the negative terminal of the excitation voltage source (e.g., GND) through a suitable resistor (e.g., 1 k)
Additional Connections
Load Cell connections:
+ Connect the load cell's positive terminal to Pin 5 (E+) through a suitable resistor (e.g., 1 k)
+ Connect the load cell's negative terminal to Pin 6 (E-) through a suitable resistor (e.g., 1 k)
Important Notes
Ensure the power supply voltage is within the recommended range (2.7V to 5V) to avoid damaging the HX711 IC.
Use suitable resistors for the excitation voltage to avoid damaging the load cell.
Connect the load cell and HX711 Weight Sensor according to the recommended connections to ensure accurate weight measurements.
By following these connection guidelines, you can successfully integrate the 10kg Load Cell with HX711 Weight Sensor into your project and start measuring weights with high precision.

Code Examples

10kg Load Cell with HX711 Weight Sensor Documentation

Overview

The 10kg Load Cell with HX711 Weight Sensor is a high-precision weight measurement module designed for various IoT applications. It consists of a 10kg load cell and an HX711 24-bit analog-to-digital converter (ADC) that provides accurate weight measurements. This module is compatible with Arduino, Raspberry Pi, and other microcontrollers.

Technical Specifications

Load Cell Capacity: 10kg
 HX711 ADC Resolution: 24-bit
 Weight Measurement Range: 0-10kg
 Accuracy: 0.5% of full scale
 Supply Voltage: 2.7V - 5.5V
 Communication Interface: SPI

Pinout

| Pin | Function |
| --- | --- |
| VCC | Power Supply (2.7V - 5.5V) |
| GND | Ground |
| SCK | Clock Input |
| DT | Data Output |
| XS | Excitation+ (for load cell) |
| XS- | Excitation- (for load cell) |

Example 1: Measuring Weight with Arduino

Hardware Requirements

Arduino Board (e.g., Arduino Uno)
 10kg Load Cell with HX711 Weight Sensor
 Breadboard and jumper wires

Software Requirements

Arduino IDE (version 1.8.x or later)

Code Example
```c++
#include <HX711.h>

#define HX711_DT 2  // Data pin
#define HX711_SCK 3 // Clock pin

HX711 scale;

void setup() {
  Serial.begin(9600);
  scale.begin(HX711_DT, HX711_SCK);
}

void loop() {
  float weight = scale.getWeight();
  Serial.print("Weight: ");
  Serial.print(weight, 2);
  Serial.println(" kg");
  delay(1000);
}
```
Example 2: Measuring Weight with Raspberry Pi (Python)

Hardware Requirements

Raspberry Pi (e.g., Raspberry Pi 4)
 10kg Load Cell with HX711 Weight Sensor
 Breadboard and jumper wires

Software Requirements

Python 3.x (e.g., Raspbian)
 `spidev` library (install via `pip install spidev`)

Code Example
```python
import spidev
import time

# Open SPI interface
spi = spidev.SpiDev()
spi.open(0, 0)

# Define HX711 pins
HX711_DT = 17  # Data pin
HX711_SCK = 23  # Clock pin

def read_weight():
    # Initialize HX711
    spi.max_speed_hz = 500000
    spi.mode = 0b01

# Send clock pulse to HX711
    spi.xfer([0x00])

# Read 24-bit data from HX711
    data = spi.xfer([0x00, 0x00, 0x00, 0x00])

# Convert data to weight (kg)
    weight = int.from_bytes(data, 'big') / 100000.0

return weight

while True:
    weight = read_weight()
    print(f"Weight: {weight:.2f} kg")
    time.sleep(1)
```
Example 3: Measuring Weight with ESP32 (MicroPython)

Hardware Requirements

ESP32 Board (e.g., ESP32 DevKitC)
 10kg Load Cell with HX711 Weight Sensor
 Breadboard and jumper wires

Software Requirements

MicroPython (e.g., ESP32 MicroPython 1.12 or later)

Code Example
```python
import machine
import utime

# Define HX711 pins
hx711_dt = machine.Pin(17, machine.Pin.OUT)
hx711_sck = machine.Pin(23, machine.Pin.OUT)

def read_weight():
    # Initialize HX711
    hx711_sck.value(0)
    utime.sleep_ms(1)
    hx711_sck.value(1)
    utime.sleep_ms(1)

# Read 24-bit data from HX711
    data = []
    for _ in range(24):
        hx711_sck.value(0)
        data.append(hx711_dt.value())
        hx711_sck.value(1)
    utime.sleep_ms(1)

# Convert data to weight (kg)
    weight = int(''.join(str(x) for x in data), 2) / 100000.0

return weight

while True:
    weight = read_weight()
    print(f"Weight: {weight:.2f} kg")
    utime.sleep(1)
```
These code examples demonstrate how to interface with the 10kg Load Cell with HX711 Weight Sensor using various microcontrollers. You can modify the code to suit your specific application requirements.