DFRobot_HX711

• 中文版

HX711 is a 24-bit A / D converter chip designed for high-precision electronic scales.
This example is suitable for HX711 sensor and read data through Arduino.

Product Link (https://www.dfrobot.com/product-1031.html)

SEN0160: Gravity: Digital Weight Sensor

Table of Contents

• Summary
• Installation
• Methods
• Compatibility
• History
• Credits

Summary

Provide an Arduino library to get weight by reading data from HX711.

Installation

To use this library, first download the library file, paste it into the \Arduino\libraries directory, then open the examples folder and run the demo in the folder.

Methods

    /*!
     * @fn DFRobot_HX711
     * @brief Constructor 
     * @param pin_din  Analog data pins
     * @param pin_slk  Analog data pins
     */
    DFRobot_HX711(uint8_t pin_din, uint8_t pin_slk);
    ~DFRobot_HX711();
	
    /*!
     * @fn getValue
     * @brief Get the weight of the object
     * @return return the read weight value, unit: g
     */
    long getValue();
	
    /*!
     * @fn averageValue
     * @brief Get the average of multiple measurements
     * @param times Take the average several times
     * @return return the read weight value, unit: g
     */
    long averageValue(byte times = 25);

    /*!
     * @fn setOffset
     * @brief peel
     * @param offset skin value
     */
    void setOffset(long offset);
	
    /*!
     * @fn setCalibration
     * @brief set calibration value
     * @param base calibration value
     */
    void setCalibration(float base = 1992.f);

    /*!
     * @fn readWeight
     * @brief Get the weight of the object after peel
     * @return return the read weight value, unit: g
     */
	float readWeight();

Compatibility

MCU	Work Well	Work Wrong	Untested	Remarks
Arduino uno	√
FireBeetle-ESP8266	√
FireBeetle-ESP32	√
mpython	√
microbit	√

History

• 2019/12/02 - Version 1.0.0 released.

Credits

Written by wuxiao(xiao.wu@dfrobot.com), 2019. (Welcome to our website)