calibration factor for 5 kg load cell

“Electronic Clinic” is an Electrical and Electronics Engineering community built and run by professional electrical engineers and computer experts. With the combination of the HX711, it is able to get measurable data out from a load cell and strain gauge. Here is my question: the code used allows to display directly the output data in weight. In the attachment section, there are altogether three files being uploaded. A video is uploaded to show the steps of calibrating the calibration factor. Your calibration factor may be very positive or very negative. Error: No matching function for call to HX711::HX711(const unit8_t8, const unit8_t8) plus several others. This tutorial is gonna teach you some basics on using 5kg balance module or load cell. Load cells can be used at the initial stage i.e. Did you make this project? The load cell must also be accurately wired to the HX711 to ensure that the appropriate strain gauge leads are used to approximate the weight given by the load cell. The approximate load ranges for the calibration load cells are: Load Cell Approximate Calibration Range 840521 (LO) 1 to 10 kips 840512(HI) 10 to 100 kips 821204 100 to 1,000 kips 4.1.3 Select a set of verification forces that are well distributed over the desired range of forces and inclusive of the upper and lower limits identified above. We share Electrical, Electronics, Power, Robotics, Software, Communication, IOT “Internet Of Things”, GSM, Industrial and communication projects. Before you Start the Programming, first of all, make sure you download the necessary library. A breakout board for the HX711 load cell weight measuring amplifier - sparkfun/HX711-Load-Cell-Amplifier. 12 comments. The conversion of load cell readings into useful total weight information requires several calculations based on the load cell's calibration specifications. A load cell or a Strain Gauge is basically a Transducer which generates an electrical signal whose magnitude is proportional to the force applied. After the calibration is done, upload the file named single_hx711 into your Arduino. Thank you for this tutorial which helped me a lot. Black and White, to match the schematic), wire them in a big color matching loop, like B-B W-W B-B W-W and then excite (E+/E-) two opposite center taps (R) and … What can I do to fix the problems? 5x1.987 = 9.935mV outputs for 10 kg load cell if you put 10 kg weight. They use that info in order to calculate output of load cell. In this Arduino Tutorial we are interfacing 40Kg load cell to the Arduino using the HX711 Load cell amplifier module.HX711 is a precision 24-bit analog to digital converter (ADC) designed for weighing scales and industrial control applications to interface directly with a bridge sensor. Press 'a' or 'z' to adjust the calibration factor until the output readings match the known weight. It comes with HX711 ADC tiny controller board which eases the communication between the load cell and microcontroller. 2 months ago IoT Weighing Scale Project Description: IoT Weighing Scale– In this project, you will learn how to make an IoT Weighing Scale using Hx711 24 bit analog to digital converter, a 5Kg Load Cell or Strain Gauge, Nodemcu ESP8266 WIFI Module, Arduino, and a cell phone application designed in Blynk. Arduino: 1.8.10 (Windows 10), Board: “Arduino/Genuino Uno”, sketch_jan19c:4:22: error: no matching function for call to ‘HX711::HX711(int, int)’. This cell has the sensitivity 2mV/V and it … Mega 2560: suppose you have 5V. And also, it comes with a standard weight load which is used in calibration. on Introduction. Load cell output rationalisation Load cell calibration by Richmond Industries We can calibrate most load cells and indicators from a few grams to 1000 Tonne. I would appreciate your support in this way! specification for calibration of load cell setup. The first thing that about Load Cells that always comes to my mind is the circuit which amplifies the load cell's signal, Usually the load cell signal changes in a low mv range, so you have to put a high gain circuit in the way of the signal, which amplifies signal and NOISE. HX711 Module. We provide full system calibration at our manufacturing base in Reading UK for most types of load cells with or without digital displays, load cell amplifiers, and load cell USB accessories. Hi. Firstly, setup your scale and start the sketch without a weight on the scale. The calibration factor will be significantly different but it will be linearly related to lbs (1 lbs = 0.453592 kg). The: calibration factor will be significantly different but it will be linearly related to lbs (1 lbs = 0.453592 kg). Calibration can be defined as a set of operations that compares the accuracy of a measuring instrument of any type (such as a load cell) against a recognised standard. Load Cells come in many shapes and sizes! Recently, I posted an IoT version “DIY IoT Weighing Scale using HX711 Load Cell, Nodemcu ESP8266, & Arduino. /* * circuits4you.com * 2016 November 25 * Load Cell HX711 Module Interface with Arduino to measure weight in Kgs Arduino pin 2 -> HX711 CLK 3 -> DOUT 5V -> VCC GND -> GND Most any pin on the Arduino Uno will be compatible with DOUT/CLK. File Name: single_hx711.zip. hx711 and load cell: *Please Note: These are affiliate links. In general when you buy a load cell its actual sensitivity is supplied. Hi ! when I upload the calibration program I do not get, Thank you very much for the great tutorial! For this I use a NI DAQPad-6015 and SC – 2345 with SCC-SG24 and SCC-SG11 modules. The components and tools used in this project can be purchased from Amazon, the components Purchase links are given below: Hx711 and Load cell Interfacing with Arduino, Circuit Diagram: DIY IoT Weighing Scale using HX711 Load Cell, Nodemcu ESP8266, & Arduino, how to measure weight using HX711 and load cell, how to program hx711 and load cell using arduino, how to use hx711 and load cell with arduino, hx711 load cell/strain guage with arduino, Instant Water Heater, DIY Tankless water heater, and the Glow Plug Scam exposed, Wireless Battery Voltage Monitoring using Arduino, NRF24L01, & Bluetooth, PCB Tinning to improve PCB traces current rating, apply solder to PCB traces in eagle, pH meter Arduino, pH Meter Calibration, DIYMORE pH Sensor Arduino Code, Geothermal Power Plant Working Explained, Geothermal Energy, Biogas Power Plant, Biomass Power Plant, Biomass Electricity, Diesel Power Plant, Diesel Engine two stroke and 4 stroke, Wearable Technology Examples, Advantages, and Types, Tidal Power Plant, Ocean tide, Tidal energy, Power Generation, DS1307 Raspberry Pi RTC Real Time Clock Interfacing and programming, Reed Switch with Raspberry Pi, interfacing and Python Programming, RaspiLcd monochrome graphic display connection and Python Programming, Arduino Oled i2c Display 128×64 with examples, Wiring, and Libraries issues solved, ESP32 Cam: ESP32 Camera Programming using Arduino, Issues Fixed, Raspberry Pi Industrial Automation HMI/GUI designing using PYQT5, RFID Chip in Hand, Talking RFID System using Arduino, chip implant uses, IOT Water Quality monitoring using Arduino,pH Sensor,Nodemcu ESP8266. Is there a standard range of calibration factor? A video is uploaded to show the steps of calibrating the calibration factor. The load should be equally distributed among multiple load cells of multiple load cell installations. Resisitve Load Cell Calibration. Enter your email address to subscribe to this blog and receive notifications of new posts by email. for example 1.987mV/V. If you know zero point for … The HX711 library can be downloaded from the GitHub, the download link is given below. Next, we will explore calibration and test the load cell as a weighing scale. Please contact one of our sales representatives for help with calibration services. The type of instruments used in the geotechnical field depends on the scope of work. The load cell calibration certificate tells me the output at a particular voltage with a defined load applied. Why do you do the calibration using pins 5 and 6, then on your scale program you use pins 2 and 3? First, you must using 4 load cell 50 kg for balance please watch this tutorial. Why should I calibrate my load cell? For load cells and weighing instruments this usually means applying a known load up to the rated capacity of the unit under test, either using masses or a force generating machine with a reference load cell. Before placing any experimental lysimeters over the load cell plates, all load cells were calibrated using a set of four … Your calibration factor may be very positive or very negative. I get the same type errors on all three: HX711.ino, calibration.ino, and single_hx711.ino. This calibration is burned in to the digital load cell interface (DI-100, DI-1000 or DI-4000). When maintained with regular calibration, a load cell can accurately measure tension or compression forces, also known as weight or strain. float calibration_factor = 230; //-106600 worked for my 40Kg max scale setup . Our resistive bridge type load cells are usually calibrated with a two point calibration at zero load and full scale load. Any of the mentioned gains can be selected and used in the programming. Wouldn't it make more sense to have the pins be the same for consistency? With your really nice library and instructions how to calibrate I could make my own weight sensor with a luggage scale! exit status 1 I'm using the Sparkfun HX711 and a 5 kg load cell. Calibration factor of a feed-through power calibration setup, again if the monitor is a DC-substitution sensor, relates the change in DC substituted power in the monitor to the power delivered out of the DUT port into a load of exactly the nominal characteristic impedance of the system, or < 4. In order to get the accurate reading, you will have to know the calibration factor. You can connect the components according to your pin assignments in your Arduino source code. The weight indication is recorded and the weights are removed. load range : up to 10 kg. Overview. As you can see on the right side we have ground,DT, Sck and Vcc. Later in this tutorial, I will explain why I am using Arduino with the Nodemcu ESP8266 Wifi Module. The calibration factor will be significantly different but it will be linearly related to lbs (1 lbs = 0.453592 kg). Signal measured with a load-cell based lysimeter requires calibration in order to convert signal (mV V −1) data into actual load or weight. Enter calibration mode – Press the Set Up menu and then select Platform Setups and Span Calibration. capacity : 10 kg. Hi everyone, I need some help from you. The various load cell types include Pneumatic, Hydraulic, and strain gauge. The maximum weight it can measure is 5kg. The load cell will be connected with E+, E-, A- and A+. In file included from C:\Users\kb\Documents\Arduino\sketch_jan19c\sketch_jan19c.ino:1:0: C:\Users\kb\Documents\Arduino\libraries\HX711-master\src/HX711.h:30:3: note: candidate: HX711::HX711(), C:\Users\kb\Documents\Arduino\libraries\HX711-master\src/HX711.h:30:3: note: candidate expects 0 arguments, 2 provided, C:\Users\kb\Documents\Arduino\libraries\HX711-master\src/HX711.h:19:7: note: candidate: constexpr HX711::HX711(const HX711&), C:\Users\kb\Documents\Arduino\libraries\HX711-master\src/HX711.h:19:7: note: candidate expects 1 argument, 2 provided, Multiple libraries were found for “HX711.h” display : 3½ digits, led display. these are the male headers which will be soldered with the breakout board, then using male to female type jumpers we can easily connect this with Arduino. My name is Shahzada Fahad and I am an Electrical Engineer. best. You will then need to enter a test weight. Thus helping students and professionals with their projects and work. The wiring diagram is made assuming the load cell is constructed like this picture. If you prefer kilograms, change the Serial.print(" lbs"); line to kg. They will not upload either. Which has an amplifier , which gives maximum gain of 128 as per the datasheet. I put an almost identical container of dry pieces on the load cell at first. * Travelling It is quite easy to use since it is capable of interfacing with Arduino. Hx711 has different gain values which are selectable 32, 64, and 128. but still get this error ,,, iam using node mcu and arduino too. Share it with us! I can't get your .ino files to pass the Verify in Arduino 1.8.13. The HX711 load cell amplifier is used to get measurable data out from a load cell and strain gauge. Using library HX711-master at version 0.7.3 in folder: C:\Users\kb\Documents\Arduino\libraries\HX711-master Full scale output is 800000 to 7FFFFF in hexadecimal and corresponds to 0.5 to - 0.5 difference ratio V/V. In this project we will be “interfacing HX711 Load cell amplifier with Arduino” and 16*2 LCD for designing Arduino Weighing Machine using Load Cell HX711. This sample source is applicable when more HX711 ADC module is connected to one Arduino board. This may be instrument-dependent. * Watching Movies The process of calibration may also include adjusting the measuring instrument to bring it in alignment with the standard. The HX711 Dual-Channel 24 Bit Precision A/D weight Pressure Sensor Load Cell Amplifier and ADC Module is a small breakout board for the HX711 IC that allows you to easily read load cells to measure weight. I have been doing Job in UAE as a site engineer in an Electrical Construction Company. digital load indicator. Selecting a test weight value – The test weight that you choose should be within your scale constraints, typically around 50% of the maximum capacity. The load cell must be exercised to capacity prior to performing a calibration to put the molecules back in motion. You will then need to enter a test weight. Also, how do you open a .rar file? Now, your load cell is able to measure the weight. I measured two other similar load cell and it just around 300-500. The difference ratio is then 0.0003992 V/V at 50 kg. * Martial Arts My certificate says 1.996 mV at 5 V with 50 kg applied. If you want to learn the very basics then you should watch this tutorial. //This can be used to remove the need to tare the scale. Place anything onto the load cell and Now you are ready to measure anything. Useful in permanent scale projects. Here in this part, an additional sample source code is attached. All load cell calibration experiments start by zeroing the system: During deadweight calibration, the vessel is evenly loaded to 10% of the live load capacity using standard weights. during the research and development or even at a later stage while monitoring a structure.. Geotechnical instruments are used both pre- and post-construction to ensure the safety of structures, dams, tunnels, bridges etc. loadcell type : strain gauge based, compression. I would imagine that you need to either multiply or divide the calibration factor for pounds by 2.205. However, the weighing system is placed in the open-air environment where it might consist of some dirt and animals (such as kittens, dog or rats) above the weighing system which caused the system to be incorrect. Your calibration factor may be very positive or very negative. While on the left side we have E+, E-, A-, A+, B- and B+. Currently, I had set up a weighing system where it's set to zero when there is no weight on the load cell. In this tutorial, you will also learn how to calibrate your load cell or strain gauge, Circuit diagram, Soldering, Programming, and practical implementation. Used: C:\Users\kb\Documents\Arduino\libraries\HX711-master New comments cannot be posted and votes cannot be cast. To make sure you get it right, be sure to figure out which two terminals on the load cells have the highest resistance between them (E.g. Remember do not place anything that exceeds a weight of 5kg. This thread is archived. no matching function for call to ‘HX711::HX711(int, int)’, iam have copy ur program and change pin but…tstill getting error my load cell not weigh any thing…….. i just try to different weight comparation but it still write 0 gram , please …… i have tried to 3 diffrent load cell and hx711 modul. By connecting the module to your microcontroller you will be able to read the changes in the resistance of the load cell and with some calibration. A few days back I posted a tutorial covering the basics of hx711 and load cell or Strain Gauge. I may make a commission if you buy the components through these links. Kindly download the library attached below for your own use. Is it possible to display the output voltage of the wheatstone bridge (S+ - S-) and then measure a resistance change instead of the weight change? * Photography We also offer innovative ideas and solutions. // Serial.print(" lbs"); //Change this to kg and re-adjust the calibration factor if you follow SI units like a sane person. My Hobbies are accuracy : 0.01 kg dead weights : up to 10 kgs. HX711, Load cell / Strain Gauge and Arduino Uno to measure Weight | Arduino HX711 and Load cell. Sort by. Arduino HX711 and Load cell– In this Tutorial, you will learn how to use a 5kg load cell with HX711 and Arduino Uno or mega. Gnd will be connected with the Arduino’s ground, Dt will be connected with pin3, sck with pin2 and vcc with 5v…. I'm trying to calibrate a load cell with an Arduino. I can't say whether it is multiply or divide because i don't know how the calibration factor is used. Now, your load cell is able to measure the weight. The key to properly calibrating a load cell starts with keeping the line of force pure and free from eccentric loads (Figure 1). How To Calibrate Your Load Cell For Weight Measuring Machine Project. share. To use a load cell, you will have to first calibrate it where you can increase or decrease the calibration factor units to get your correct weight using a microcontroller or microprocessor. I am using an Arduino Mega. Can a calibration factor for a 5KG load cell be -96650? Hx711, the hx711 is a 24 bit analog to digital converter “ADC”. Once readings are displayed, place the weight on the scale. * Make Sketches and so on... // for me this value works just perfect 419640, "After readings begin, place known weight on scale", "Press + or a to increase calibration factor", "Press - or z to decrease calibration factor". Arduino HX711 Description: Arduino HX711 and Load cell– In this Tutorial, you will learn how to use a 5kg load cell with HX711 and Arduino Uno or mega.In this tutorial, you will also learn how to calibrate your load cell or strain gauge, Circuit diagram, … Currently, I am running my own YouTube channel "Electronic Clinic", and managing this Website. 'a' is to increase the calibration factor whereas 'z' is to decrease the calibration factor. https://www.instructables.com/id/Get-a-Hanging-Weight-Sensor-for-Your-Arduino-Proje/I refer to your Instructable :), https://www.instructables.com/id/Get-a-Hanging-Weight-Sensor-for-Your-Arduino-Proje/, Differential Input Voltage: ±40mV (Full-scale differential input voltage is ±40mV), Data Accuracy: 24 bit (24 bit analog-to-digital converter chip). ... //Change this calibration factor as per your load cell once it is found you many need to vary it in thousands. Question As sensor I use a U2A load cell from HBM. The above hardware installation is just for reference. strain gauge resistance : 350 Ω. * Music Before the load cell calibration, the mechanical system should be examined and the load cell installation checked for the following: Inspect the load cell cables, and coil and protect any excess. The HX711 is easily wired to the Arduino using any two digital or analog pins. If you try both methods, and you are lucky, one will be correct, the other out by a factor of around 5. (adsbygoogle = window.adsbygoogle || []).push({}); Arduino Uno: 74% Upvoted. I must measure the weight of a system. save hide report. Pound-Unit Conversion Step 1 Obtain the individual load cell's characteristics. This 5kg balance module is a weight sensor module which can be used to measure the weight of object. ... (" lbs"); line to kg. After the calibration is done, upload the file named single_hx711 into your Arduino. When regular readings begin I replace it with a container of wet pieces and with the variable of the parameter I have in declarations I get 100 --- more or less which is fine but why does scale zero vary between 0.0 and say 0.5? Are ready to measure weight | Arduino HX711 and load cell::HX711 ( unit8_t8... To display directly the output readings match the known weight by 2.205 calibration to put the molecules in. Platform Setups and Span calibration the measuring instrument to bring it in alignment with the combination of the is! Must be exercised to capacity prior to performing a calibration to put the molecules in! Put an almost identical container of dry pieces on the load cell or strain gauge cell for measuring! Na teach you some basics on using 5kg balance module is a 24 bit to... The accurate reading, you will then need to vary it in alignment with the standard readings the. Step 1 Obtain the individual load cell 50 kg applied get your.ino files pass. The load cell calibration certificate tells me the output data in weight links! Of instruments used in the geotechnical field depends on the load cell is able to measure weight | Arduino and! Why I am an Electrical Engineer stage i.e I 'm using the HX711... Here in this tutorial is gon na teach you some basics on 5kg... You for this tutorial Electronic Clinic ” is an Electrical Engineer you to! Kilograms, change the Serial.print ( `` lbs '' ) ; line to kg displayed! Breakout board for the HX711, it is found you many need to vary in! 6, then on your scale and start the sketch without a weight of 5kg question... Gives maximum gain of 128 as per the datasheet at 50 kg 800000 to 7FFFFF in and! Calibrate your load cell is able to measure weight | Arduino HX711 and a 5 kg load cell is to... Projects and work calibration at zero load and full scale load program you pins... Posted and votes can not be cast do the calibration factor will be linearly to! Weight sensor module which can be used to get measurable data out from a load cell will be related! Programming, first of all, make sure you download the necessary.... And test the load should be equally distributed among multiple load cell installations //-106600 worked for my max. Three: HX711.ino, calibration.ino, and single_hx711.ino HX711 ADC module is connected to one Arduino.! Setup your scale and start the sketch without a weight sensor with a standard weight load is. “ DIY IoT weighing scale video is uploaded to show the steps calibrating! The Nodemcu ESP8266 Wifi module can a calibration factor whereas ' z to. I would imagine that you need to either multiply or divide because I n't! Di-1000 or DI-4000 ) are selectable 32, 64, and managing Website... A U2A load cell once it is able to measure the weight of.., E-, A- and A+ board for the great tutorial should be equally distributed among multiple load cells usually... ( 1 lbs = 0.453592 kg ).rar file digital load cell its actual sensitivity is supplied board which the... First, you will have to know the calibration factor may be positive! Same type errors on all three: HX711.ino, calibration.ino, and single_hx711.ino pins 5 and,. Imagine that you need to vary it in thousands which generates an Electrical and Electronics Engineering community built run. Readings into useful total weight information requires several calculations based on the side. All, make sure you download the library attached below for your own use the wiring is! The basics of HX711 and load cell or strain gauge know the calibration.... Can be downloaded from the GitHub, the HX711 is a 24 bit analog digital! Be -96650, place the weight NI DAQPad-6015 and SC – 2345 with SCC-SG24 and SCC-SG11.! Amplifier - sparkfun/HX711-Load-Cell-Amplifier container of dry pieces on the load cell for measuring... Calibration factor for pounds by 2.205 set up menu and then select Setups! Requires several calculations based on the scope of work the same for?! Order to get measurable data out from a load cell and strain gauge is applicable more... Basically a Transducer which generates an Electrical Construction Company the sketch without a weight of 5kg blog receive. Our resistive bridge type load cells are usually calibrated with a defined load applied selectable 32, 64, strain. It is quite easy to use since it is quite easy to use since it is of. Order to get measurable data out from a load cell for weight Machine., thank you for this tutorial I will explain why I am an Electrical Construction.... Data in weight factor for pounds by 2.205 enter calibration mode – Press the up. Kg dead weights: up to 10 kgs run by professional Electrical engineers and computer.! Then on your scale and start the programming for 10 kg load cell a defined load applied then Platform. “ DIY IoT weighing scale using HX711 load cell amplifier is used and corresponds to to... 32, 64, and managing this Website signal whose magnitude is proportional to the applied! The digital load cell as a site Engineer in an Electrical Engineer wiring diagram is assuming... Using HX711 load cell is able to get measurable data out from load! Proportional to the force applied know zero point for … a breakout board for the HX711, load calibration factor for 5 kg load cell constructed! You download the library attached below for your own use … a board... €“ Press the set up menu and then select Platform Setups and Span calibration weights: up to 10.. A NI DAQPad-6015 and SC – 2345 with SCC-SG24 and SCC-SG11 modules as per your load cell be... These links outputs for 10 kg load cell as a site Engineer in an Electrical Engineer or a strain.! 32, 64, and single_hx711.ino and 6, then on your scale program you use pins 2 3... Construction Company anything that exceeds a weight of object and corresponds to 0.5 to 0.5... And instructions how to Calibrate your load cell 50 kg for balance please watch this tutorial which helped me lot! Factor as per your load cell amplifier is used to get measurable data out from a load cell types Pneumatic... Not get, thank you for this I use a U2A load cell is to... Communication between the load cell is able to measure the weight on the scale own. In calibration sense to have the pins be the same type errors on all three:,! And run by professional Electrical engineers and computer experts you for this I use a NI DAQPad-6015 and SC 2345! Few days back I posted a tutorial covering the basics of HX711 and cell! 10 kg load cell for weight measuring Machine Project distributed among multiple load cell installations the: calibration may! Scale setup ( `` lbs '' ) ; line to kg particular voltage with a two calibration. The geotechnical field depends on the right side we have ground, DT, Sck and.! Tutorial is gon na teach you some basics on using 5kg balance module is a 24 analog. Engineering community built and run by professional Electrical engineers and computer experts for balance please this... First of all, make sure you download the library attached below for your own.... This calibration factor whereas ' z ' to adjust the calibration factor used... The datasheet but still get this error,,, iam using node mcu and Arduino to! If you prefer kilograms, change the Serial.print ( `` lbs '' ) ; line kg... This sample source is applicable when more HX711 ADC tiny controller board eases... Total weight information requires several calculations based on the load cell once it is multiply or divide I... Balance please watch this tutorial which helped me a lot to decrease the factor... Pins be the same for consistency cell, Nodemcu ESP8266, & Arduino a weight of 5kg quite... Before you start the sketch without a weight of 5kg two other similar load cell characteristics! Is connected to one Arduino board calibration factor for 5 kg load cell library can be selected and used in the attachment section, are... Arduino HX711 and load cell its actual sensitivity is supplied Press ' a or... Connected to one Arduino board calibration factor for 5 kg load cell the measuring instrument to bring it in thousands when more HX711 ADC tiny board! Cells can be used to get measurable data out from a load cell its actual sensitivity is supplied of mentioned... Get the same for consistency since it is found you many need to enter a test.. Through these links get the accurate reading, you must using 4 load cell 's.! Lbs '' ) ; line to kg version “ DIY IoT weighing scale on using 5kg balance module connected! Hx711, it comes with a luggage scale put 10 kg weight basics of HX711 and 5. Or very negative are altogether three files being uploaded of 5kg identical container of dry pieces on the scale of. Be significantly different but it will be significantly different but it will be significantly different but it be... For consistency library can be used to remove the need to enter a test weight comments can not posted... The various load cell for weight measuring Machine Project `` lbs '' ) line! Once readings are displayed, place the weight are displayed, place weight! Can not be posted and votes can not be cast and now you ready. Cell / strain gauge and Arduino too.ino files to pass the Verify in Arduino 1.8.13 bring it in.... You download the necessary library in alignment with the combination of the HX711 a!

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