4 x 50kg. The mounting plate and the moving plate should both be as rigid as possible. Zip Library. May 2, 2020 · Le module amplificateur HX711 est un convertisseur analogique-numérique qui permet de convertir le signal électrique d’un capteur de force en une mesure de p We would like to show you a description here but the site won’t allow us. If you are feeling the stress and strain of a Wheatstone bridge and you want to quantify it, this handy breakout will do the job, no sweat! The Adafruit HX711 Breakout contains a super-high-resolution 24-Bit differential ADC with extra gain circuitry that makes it perfect for measuring strain gauges / load cells or other sensors that Apr 22, 2020 · Place 1500gm (1. Contribute to mirzafahad/hx711_stm32_lib development by creating an account on GitHub. LOAD CELL SETUP. Where: wt = weight in Kg c = ADC count value read from HX711 t = tare (ADC reading with no weight on load cell) k = calibration factor for Load Cell / HX711 combination in units of Kg / ADC Count. Resolution: 24 bit. しかし、条件があります。. Dec 12, 2022 · A weighing machine using an Arduino with load cell hx711 module can be implemented by wiring the load cell to the HX711 amplifier, and the HX711 amplifier to the Arduino. I wanna get stable at least 1g without fluctuation. Maintainer: Bogdan Necula. The input multiplexer selects either Channel A or B differential input to the low-noise HX711_ADC. For the attachment section, hx711 library is being uploaded. From data of Step-3 and 4, find equation for unknown weight (W) in terms of unknown count (C). Assignees. 00 [Amazon] Arduino Uno Board - $13. Saved searches Use saved searches to filter your results more quickly Jun 25, 2024 · The Adafruit HX711 Breakout contains a super-high-resolution 24-Bit differential ADC with extra gain circuitry that makes it perfect for measuring strain gauges / load cells or other sensors that have four wires that are connected in a Wheatstone bridge arrangement. It is compatible with 5kg, 20kg and 50kg load cells. Jun 25, 2024 · If you are feeling the stress and strain of modern life a Wheatstone bridge and you want to quantify it, this handy breakout will do the job, no sweat! The Adafruit HX711 Breakout contains a super-high-resolution 24-Bit differential ADC with extra gain circuitry that makes it perfect for measuring strain gauges / load cells or other sensors Oct 23, 2018 · I discussed with @Clemens today if it would make sense to use the second input on the Hx711 chip with fixed gain of 32. Step 2. . Maintainer: Adafruit. Aug 13, 2016 · Yes, it uses a clock line to sequence the bits. The Adafruit HX711 Breakout contains a super-high-resolution 24-Bit differential ADC with extra gain circuitry that makes it perfect for measuring strain gauges / load cells If you are feeling the stress and strain of modern life a Wheatstone bridge and you want to quantify it, this handy breakout will do the job, no sweat! Apr 21, 2022 · The HX711 amplifier is a breakout board that allows you to easily read load cells to measure weight. Next, the HX711 module is connected to the Arduino Uno. The Arduino uses that amplified, digitally transformed signal to calculate the weight. Filtering and smoothing: "Moving average" method from a Jan 7, 2018 · Did you read the datasheet? the HX711 needs up to 400ms from reset to stable operation (after wakup a reset is executed) so your sketch never reach a stable state of the HX711. These are commonly colour RED, BLK, WHT, GRN, and YLW. In order to know what’s that in pounds or in kilo, we need to have a ratio factor. 00 [Our Store], $12. Next, I tried testing the HX711 in different ways. Make sure that HX711 is the only device on the bus since it does not implemnt CS (Chip Select). So, the formula is: wt = (c - t) * k. The HX711 is a very popular choice for load cell amplifiers because it is inexpensive, easy to use, and has a high resolution and accuracy. Precision Steel Scale Calibration Weight Nov 2, 2016 · blimpyway: The HX711 specs says it should work no problem with 3. In HX711_MEDIAN_MODE and HX711_MEDAVG_MODE mode only 3. 3volt regulator for the exitation voltage that needs 5volt to work. Jun 4, 2024 · The white wire will be connected with the A- pin of the HX711, while the green wire of the Load cell or Strain Gauge is connected with the A+ of the HX711. 025kg -> ±25g. Apr 28, 2021 · Hello to everyone, today I am here to show you a very insteresting project that I was working on for a while, it consists on a digital scale using the ESP-12S microcontroller plus a load cell and it HX711 wheatstone bridge to i2c converter, it is capable to measure weight precisely in the spectrum of grams, the sensor I am using is limited to 5Kg but you can use one for smaller or bigger weights. Dec 14, 2020 · The HX711, on the other hand, has an impressive resolution of 24 bits (= 16,777,216). The Gnd of the HX711 is connected with the Arduino’s ground, the DT pin of the HX711 is connected with the Arduino’s pin number 3, the SCK pin is connected with the Arduino’s pin number 2, and the VCC Jan 6, 2019 · I spent a hole day trying to find how to change the resolution ; unfortunately there is no Wiki for HX711. Apr 30, 2021 · Using a 2k 20 turn trim pot, connect the two outer pins across the Vext pins [ in parallel with the two 1ks. 7V, in the case AVDD is 5V (which it is not on a common HX711 module board). That kind of Wheatstone bridge would produce an exceedingly high current through the PT100 and the HX711. Yeah, they go into quite a lot of detail on the timing. El módulo HX711 es un transmisor de celdas de carga para uso con microcontroladores como Arduino/PIC/ESP, permitiendo leer el peso en la celda de manera sencilla. A:The accuracy depends mostly on the ADC resolution, 24Bit in the case of standard HX711, accuracy will be better than 200g even with 50KG load cell, it will be in the order of few grams at most In order to explain the calibration process we need to go over some basic things. HX711 is a precision 24-bit analogto-digital converter (ADC) designed for weigh scales and industrial control applications to interface directly with a bridge sensor. Examples also includes calibration procedure and interrupt drive. Selectable 10SPS or 80SPS output data rate. cc Jun 14, 2023 · The HX711 chip inside the HX711 Weight Sensor Module is a 24 high-precision A/D converter. Read the documentation. The gain setting is crucial for achieving the desired resolution and range of the measurements. Apr 3, 2016 · Custom way with micro-controller and HX711. h" // Library needed to communicate with HX711 GitHub - bogde/HX711: An Arduino library to interface the Avia Semiconductor HX711 24-Bit Analog-to-Digital Converter (ADC) for Weight Scales. 1 x 50kg. Bearded Dragon. Since fewer parts are in the circuit, it’s simpler to assemble. 1 gram resolution up May 20, 2019 · The HX711 is easily wired to the Arduino using any two digital or analog pins. The HX 711 is a 24-bit analog-to-digital This an Arduino library for the HX711 24-bit ADC for weight scales. It’s also designed for scale / load cell applications, so talking to it requires a minimum of code. Sep 4, 2022 · The HX711 amplifier is a breakout board that allows you to easily read load cells to measure weight. Since it still needs a few parts to work properly, it is convenient to use the ready-to-use module. 3Vでも動作させることができます。. So If we read the data from the hx711 then place 3Kg on the scale and read the data again, the delta This tutorial need a hx711 library. Nov 25, 2016 · We are interfacing 40Kg load cell to the arduino using HX711 Load cell amplifier module. Hi, I am currently in the process of calibrating my load cell, and initially I decided to calibrate with a 1kg mass. Description Allows you to easily read load cells to measure weight Uses a two-wire interface (Clock and Data) for communication Four-wire wheatstone bridge configuration to connect Simultaneous 50 and 60Hz supply rejection The HX711 Load Cell Amplifier is a small breakout board that allows you to easily read load cells Oct 26, 2020 · Principe de fonctionnement. 50 kg) weight on the loadcell. On the opposite side you can see the connection for the Load cell. Calibration involves removing any offset and adjusting the sensitivity of the sensor for accurate readings. 05% from the maximum rated value. Input Voltage: 2. The HX711 is designed to be used with an external pass transistor for bridge current. Library for the Adafruit HX711 ADC Breakout Designed specifically to work with the Adafruit HX711 ADC Breakout Author: Adafruit. Author: Bogdan Necula. It is a specially designed for the high precision electronic scale designwith two analog input channelthe internal integration of 128 times the programmable gain amplifier INFO. Non-blocking, smoothed data from "Moving average" rolling data set. The chip can, a breakout board can't shouldn't. This allows the Arduino to resolve weight (mass) changes down to the range of the load cell (typically 500g, 1kg, 5kg, or more) divided by half the bit depth (2exp23). Step 1: Parts Needed: Any reference to merchants and particular parts is just that, reference. Use a DVM and adjust the pot so the voltage across the two input pins is zero. We will be using a simple Arduino library to communicate with the HX711 that provides a calibration and Tare (reset) feature to easily determine the weight of an object. 0005 = 0. I’m looking to get a sensor that displays the weight on a platfom only if it remains the same for a period of time. A pop-up window will show up. t and k must be determined experimentally. The HX711 itself is actually the sixteen pin chip on the module. Any microcontroller’s GPIO pins should work, and numerous libraries have been written, making it easy to read data from the HX711. You wire the load cell wires on one side, and the microcontroller on the other side. Le module HX711 est composé d’un amplificateur et d’un convertisseur analogique numérique HX711. Library to interface the Avia Semiconductor HX711 ADC. You have got gain factor and offset of the input device (lodacell + HX711), and the calibration is done. After the upload is successful, open the serial monitor and adjust the baud rate to 9600. please add a wiki for HX711 thanks Note: I'm using the reddefined SPI signal names ('see sparkfun's Resolution'). The HX711 Weighing Sensor uses a two-wire interface (Clock and Data) for communication. Initially, you’ll become familiar with the necessary wiring connections needed to link the load cell arduino and HX711 amplifier to the ESP8266 for constructing the scale. Load cells use a four wire wheatstone bridge to connect to the HX711. Feb 6, 2024 · The HX711 library provides functions to set the gain of the ADC, tare the sensor, and read the raw and calibrated data. Video n. Assemble the kit and remove the objects on the sensor (if it comes with an additional tray, you can keep the tray). Mar 20, 2021 · HX711のIC自体は、データシートによると2. Utilizado en sistemas de medición automatizada, procesos industriales, industria médica. In this post , a user made some experimental estimates of the HX711 noise free bit resolution. 2 and AVDD-1. I changed in the sketch to get it work as gram (i removed the / 1000) finally I found this command "weightres" I still don't understand Item weight (kg) is used for. Note that without setting WeightRes the default resolution is to the nearest 1kg. A bar load cell contains two strain gauge connected in a Wheatstone brigde. I am using 3kg load cell from LWBMT, hx711, arduino mega, adapter for supply and LCD to display. Programmable Gain Amplifier (PGA): The HX711 Nov 19, 2022 · I am doing same project same as with you. 5mA. However, is there a place that i can change the resolution? for some reason my output is only in integers, it doesnt show decimals in any amount of places Dec 17, 2021 · The HX711 is a 24-bit analog-to-digital converter translates the small changes in strain from the load cell into 24-bit changes in voltage (Arduino 0-5V). The HX711 communicates with the microcontroller using two-wire interface (Clock and Data). My calibration factor was -1100 or so. The load cell amplifier HX711 is included in the making of this circuit. S See full list on microcontrollerslab. 7V ~ 5V. 15 samples are allowed to keep memory footprint relative low. Zip library to your Arduino IDE. com/load-cell to view our full selection of ATO load cells and more. this 3D design and 3D print is my own, it is free to use for own usage her :https://www. データシートの「Power Supply Option」の項目です。. Es compatible con las celdas de carga de 1kg , 5kg , 20kg y 50kg. Data retrieval from the HX711 is done without blocking the mcu, also on the 10SPS rate setting and with Multiple HX711's performing conversions simultaneously. The HX711 is an amplifier specifically for load cells (and used in the OpenScale board). HX711 Arduino Library. To run the load cell with the HX711 module, you will need to install a specific library. Q:What is the range of output? how low will it accurately go? i need accuracy to at least 200g, preferably lower . BTW: +/- 0. Which has an amplifier, which gives a maximum gain of 128 as per the datasheet. In practice the resolution of the HX-711 will be limited by circuit noise, ambient (environmental) noise, nonlinearity of the strain gauge sensor, temperature changes, etc. The HX711 module amplifies the low-voltage output of the load cell and sends it to the Arduino so that the Arduino eventually calculate weight from this data. Jun 4, 2024 · Hx711, the hx711 is a 24 bit analog to digital converter “ADC”. NOTE for the kit above: One side both holes tapped M4 thread, the other side both holes tapped M5 thread. Manufacturer: Avia Semiconductor Oct 24, 2020 · To connect the HX711 to the Arduino you only need 2 pins (Clock and Data). On the right side of the HX711 breakout board, the four terminals are clearly labeled with Gnd, DT, SCK, and VCC. 00 [Our Store] Oct 22, 2023 · 常見的HX711 有5kg,10kg,20kg等規格,依照專題的需要選擇合適的量測範圍,使用Arduino能快速製作一個自動化的秤重系統。👉訂閱頻道:https://reurl. The boards I have seen have a 4. DaveEvans January 8, 2018, 10:59pm 3. High Precision ADC: The heart of the HX711 is its 24-bit sigma-delta ADC, which allows for extremely high resolution in digital weight readings. Used in automated measurement systems, industrial processes, medical industry. Page: 9 Pages. You can see the connections between Arduino, load cell and HX711 in the Jun 14, 2023 · HX711 Calibration. So scaling A+/A- down to the 2mV-20mV range won't work. 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. Based on Avia Semiconductor’s patented technology, 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. The HX711 Module boosts the Load cells' light electrical output. Type "weight" in the Filter box of the Component Toolbox then select the "HX711 Weight Scale" component (Picture 1), and drop it in the design area Connect the "SensorClock" pin of the WeightScale1 component to the to the "Digital" input pin of the "Digital[ 2 ]" channel of the Arduino component (Picture 2) Jun 6, 2015 · The Hx711 module is a 24 bit ADC, which offers high resolution and amplification. Next, we will explore calibration and test the load cell as a weighing scale. This is read by a HX71124-bit analog Feb 23, 2022 · Hello, I am attempting to figure out how to calculate the noise free resolution of my load cell and HX711 ADC system. Record B (count2, 1500) 5. Part #: HX711. No one assigned. This means both inputs, i. In this video, we've talked about several commen rea We would like to show you a description here but the site won’t allow us. On the search bar, type “HX711_ADC” by Olav . 03g is extremely accurate. Kindly download the library and add . Step 3. Sensors. The circuit’s code is also much simpler for a beginner to understand. HX711 does not use SCLK, instead clock is provided by the driver using SDO. An HX711 amplifier is a unit which does both, it amplifies and converts Feb 5, 2020 · Here is a short example from brainy-bits. Dec 4, 2017 · The load cell has four wires, which must be connected to the first four pins of the HX711 module: Red wire to E+, black wire to E-, white wire to A-, and green wire to A+. I got a calibration factor of around 48400, however, I noticed that if I start adding more weight it begins to deviate from the true value. Author: Olav Kallhovd. HX711 Library for STM32 using STM32CubeHAL. We would like to show you a description here but the site won’t allow us. Yes, it uses a clock line to sequence the bits. While on the left side we have E+, E-, A-, A+, B-, and B+. The load cell is a sensor that generates a proportional electrical signal to the weight applied to it. The HX711 data sheet describes the serial protocol well enough that you should be able to write code for any processor, especially if you follow the C code example in the data sheet. com/thing:5147968please post a make0. Tare function can also be performed without blocking the mcu. Lower/unstable exitation voltage is lower/unstable load May 18, 2024 · First, let’s start with the basics. I have tried some code like your code, HX711 bodge library, and try to edit both oh them. May 30, 2024 · This tutorial will teach you how to use the HX711 to connect a load cell to an Arduino. Check the hookup guide below for more information. Caveat Emptor. Jun 10, 2020 · This resolution is calculated using: In contrast, the HX711 has a resolution of: This means it can detect changes as small as 0. ato. 2. Connect the sensor correctly according to the wiring diagram, and upload the sample code. 214 del corso Arduino in 100+ video. そのため3. Après avoir assemblé l’échelle sur l’Arduino, vous devez calibrer la jauge de contrainte. The input multiplexer selects either Channel A or B differential input to the low-noise programmable gain amplifier (PGA). com: /* Calibration sketch for HX711 */ #include "HX711. Accuracy, according to the spec, is ±0. 2V to 3. An Arduino library to interface the Avia Semiconductor HX711 24-Bit Analog-to-Digital Converter (ADC) for reading load cells / weight scales. May 25, 2019 · The HX711 amplifier sensor includes a HX711 chip with analog-to-digital conversion capability in 24-bit accuracy. The HX711 is a 24 bit analog to digital converter “ADC”. The HX711 chip has internally the electronics for reading Languages. Any microcontroller’s GPIO pins should work and numerous libraries have been written making it easy to read data from the HX711. This applies to the JSON payload too. 478837. Aug 23, 2016 · Please also note that according to HX711 the common mode of the differential input should be between AGND+1. File Size: 268Kbytes. These I tested your code on a spare 2Kg load cell, HX711 (without RF shield) and Arduino Uno, but without the LCD (just let it print to serial monitor). You would probably have quite a hard time getting accurate +/-1 milligram resolution for the 0-20 g scale with a DIY Jan 7, 2020 · Verified the voltage readings with a Voltmeter. The HX711 uses a two-wire interface (Clock and Data) for communication. The remaining pins, B- and B+, can be used if a second load cell has to be connected to the HX711 module. This level of precision makes the HX711 suitable for applications where even small weight variations need to be detected and measured. Load cells use a four-wire Wheatstone bridge to connect to the HX711. HX711_ADC. Load cells use a four wire Wheatstone bridge to connect to the HX711. Which has an amplifier, that gives a maximum gain of 128 as per the Datasheet. I calculated something. 1 = reset display to 0 2 = start calibration 2 <value> = set reference weight in grams and start calibration Feb 6, 2023 · Be sure to check out https://www. Le capteur d’effort utilise un pont de Weahstone afin de convertir l’effort qui lui est appliqué en signal analogique. Compatibility Aug 15, 2023 · pip21 (Zoe) August 15, 2023, 1:28am 1. void set_raw_mode() will cause read() to be called only once! void set_average_mode() take the average of n measurements. 2 x 50kg. You could try some of the techniques in this document. Channel: 2 Channel. Marcus210 April 24, 2020, 3:24pm 8. I found this tutorial on using an HX711 amplifier and analogue-to-digital converter. This is the current code that Igot from esphome smart scale: - platform: template id: smart_scale_hx711_value name: "Smart Scale HX711 Value" internal: False filters: # apply auto_tare Oct 25, 2021 · The HX711 On-chip active low noise PGA with selectable gain of 3264 and 128 ; This HX711 module uses 24 high precision A/D converter chip hx711. To do so, please go to the Arduino IDE top menu, click on “Sketch”, then go to “Include Library”, the click on “Manage Libraries…”. The result value can then later be included in your project sketch or fetched from EEPROM. I get the voltage reading close to my hand calculations. Nov 19, 2014 · The arrow on the labeled side should point down in the direction the platform will move when a load is applied. Support for doing conversions on multiple HX711 modules simultaniously. En este tutorial trabajaremos con el Módulo trasmisor de celda de carga HX711, he indicaremos todos los pasos para su conexión y programación con el objetivo de armar una balanza digital. Connectez le capteur au module HX711 selon le schéma affiché ci-dessus, et le module lui-même doit être connecté à la carte Arduino. Operation Current: <1. Connections are fairly simple. step 3 - click add . 7Vから5. Make sure to put some form of rigid spacers between the mounting plates and the load cell. To get started with the HX711, you will need to connect it to your microcontroller or computer. Jun 19, 2024 · The HX711 amplifier module is a transmitter between the load cells and a microcontroller such as Arduino, allowing the weight in the cell to be read easily. The HX711 uses a two-wire interface (clock and data) to communicate with a microcontroller or a computer. You need to solder header pins on the GND, DT, SCK, and VCC pins to Nov 14, 2022 · The Arduino pictured is 8 bit, but that is irrelevant. Set WeightRes 3 to read fractions of a kilogram. The HX711 features two channels for analog input, and their gain can be programmed up to 128. To implement calibration The resolution will be the same for any load cell 24-Bits. 1 gram. Nov 15, 2022 · Code: /* HX711_ADC Arduino library for HX711 24-Bit Analog-to-Digital Converter for Weight Scales Olav Kallhovd sept2017 */ /* This example file shows how to calibrate the load cell and optionally store the calibration value in EEPROM, and also how to change the value manually. zip file you have downloaded A digital weight sensor using an Arduino, bar load cell and HX711 24-bit ADC. These are Jun 25, 2024 · Overview. This more-or-less matches my experience with it in short term measurements. It took readings from the load cell and sent to the Arduino nano with 24 bits of depth. 00 [Our Store] Analog U-Tube Manometer - $30. Features. Step 1. You need to solder header pins on the GND, DT, SCK, and VCC pins to Jan 9, 2018 · The values produced by the HX711 are arbitrary ADC count units. Then by turning the trim pot you can simulate load cell voltages. May 5, 2019 · In questo video vedremo come funziona una cella di carico e come utilizzarla con AArduino con la scheda HX711. Aug 23, 2023 · In this guide, you’ll be taken step by step through the process of creating a scale using the ESP8266 NodeMCU along with a load cell and the arduino HX711 amplifier. Adafruit HX711. Load cells use a four-wire Wheatstone bridge configuration to connect to the HX711. Library for the HX711 24-bit ADC for weight scales. com Tutorial trasmisor de celda de carga HX711, Balanza Digital. Possibly the load cell wires are not connected to the HX711 in the right Mar 17, 2022 · Comment connecter module HX711 et capteur de poids Arduino. Arduino UNO - Amazon. step 2 - click Include Library. The calibration factor for 2kg is 50500, and 51500 for 3kg. As you can see on the right side we have ground, DT, Sck, and Vcc. Chip: HX711. Use an embedded-hal implementation to get SPI. HX711 is ADC converter don't worry about resolution, to HX711 can handle it, as long as your load cell is powered within the power range of the ADC. 50kg x 0. Oct 26, 2020 · Principe de fonctionnement. But, my best resolution is unstable +- 2g. You will need a 4 wire load cell, and those typically have Green, White, Red, and Black wires. No. Simultaneous 50 and 60Hz supply rejection. 3. Jun 7, 2020 · Thus, the parts list and setup for the wiring and setup are listed below as a way to demonstrate the repeatability of this experiment: MPS20N0040D Ported Pressure Sensor Breakout Board - $9. Apr 10, 2020 · Frequently Asked Question . The HX711 uses a two wire interface (Clock and Data) for communication. If you combine four cells to a single scale, then you can measures up to 4 x 50 = 200 kg / 440 lbs. Description: 24-Bit Analog-to-Digital Converter (ADC) for Weigh Scales. 298 uV! Like most Arduino-compatible ICs, a breakout board for HX711 is readily available: To use the HX711 with the bar load cell, we just connect the output wires White and Green to the A+ and A- pins. 3. 3V, and I don't recall any mention about losing accuracy at lower voltages. Your code looks a little more stable than my code, though it still varies by 0. With excitation on the bridge, the change in resistance is proportional to voltage. bogde closed this as completed on Feb 21, 2019. Then connect the wiper of the trim pot to the other input pin. thingiverse. Il permet l’amplification d’un signal envoyé par une cellule d’effort. Download. When a weight is on the load cell, the strain gauges change resistance. A+/A- should be in this range - 1. デジタル電源 (DVDD)はマイコンと同じ電源電圧にするべきです Nov 14, 2023 · HX711 Key Features. 5kg Load Cell and HX711 Combo Pack Kit - Amazon. It has a programmable gain amplifier that allows you to adjust the gain to increase the resolution of the ADC. Dec 29, 2019 · 本記事の対象者 ①「HX711使用 ロードセルADコンバータ モジュール基板」をこれから使用する方で、秋月電子通商のArduinoサンプルソースがあまり理解できず、ネットサーフィンで調べたものの、解説されたサイトが見つからなく困っている方。 ②サンプルソースの型、関数、引数、戻り数、参照 HX711 Arduino Library. The received data from the hx711 is a 24bit resolution analog to digital read. 5Vの範囲で使えます。. The ground of the HX711 is connected with the Arduino’s Ground. step 4 - select the . (Yes, their resolution is not as good as HX711 but at least they are stable and consistent). step 1 - click Sketch. However I've had a hard time understanding how he calculates the noise free resolution in grams (see comment #5), which is further complicated by the fact that other sources calculate HX711 load cell sensor calibration. CONTENIDO: May 19, 2022 · Download the Arduino Library. Jun 5, 2022 · The HX711 is designed for a Wheatstone bridge input, which is easy to make with a PT100 and 3x100 Ohm precision resistors. The HX711 communicates with the ESP32 using a serial protocol, so it can be easily integrated with any load cell. Maybe somebody can verify that? I used this datasheet of the Hx711 Assuming we have 3V input and a load cell with 2mV/V on rated output (maximum): input range: (=0,5*VDC/GAIN) = +- 50mV resolution with 24bit on +-50mV ~ 100mV: 100mV/(2^24) = 6 * 10 Jun 25, 2024 · If you are feeling the stress and strain of modern life a Wheatstone bridge and you want to quantify it, this handy breakout will do the job, no sweat! The Adafruit HX711 Breakout contains a super-high-resolution 24-Bit differential ADC with extra gain circuitry that makes it perfect for measuring strain gauges / load cells or other sensors that have four wires that are connected in a Hello, I am fairly new at this and this HX711 code has worked best for me so far. e. saowsjhdraymexmpejuz