Views: 222 Author: Leah Publish Time: 2025-01-15 Origin: Site
Content Menu
● Understanding the Degraw 40 kg Tension Load Cell
>> Key Features
● Components Required for Integration
>> Step 1: Mounting the Load Cell
>> Step 2: Wiring the Load Cell and HX711
>> Step 3: Connecting to Arduino
● Practical Applications in 3D Projects
● Troubleshooting Common Issues
● FAQ
>> 1. What is a tension load cell?
>> 2. How do I calibrate my Degraw load cell?
>> 3. Can I use this load cell with other microcontrollers?
>> 4. What materials are best for mounting brackets?
>> 5. What is the maximum weight I can measure with this load cell?
The Degraw 40 kg tension load cell is a versatile and essential component for various 3D projects, particularly those involving weight measurement or force sensing. This article will guide you through the process of integrating the load cell into your 3D projects, including setup, wiring, calibration, and practical applications.
The Degraw 40 kg tension load cell is designed to measure tensile forces and is commonly used in applications such as scales, robotics, and structural testing. It operates based on the principle of strain gauges, which change resistance when subjected to stress. This change in resistance can be converted into an electrical signal that correlates with the weight or force applied.
- Capacity: Up to 40 kg
- Construction: Durable steel alloy
- Output: Analog signal proportional to the applied force
- Integration: Compatible with Arduino and HX711 amplifier for easy data acquisition
To effectively use the Degraw 40 kg tension load cell in your project, you'll need several components:
- Degraw 40 kg Tension Load Cell
- HX711 Load Cell Amplifier
- Arduino Board (e.g., Arduino Uno)
- Connecting Wires
- Breadboard (optional)
- Power Supply (usually USB for Arduino)
- Mounting hardware (for securing the load cell)
The first step is to securely mount the load cell in your project. Depending on your design, you may want to create a custom bracket using a 3D printer. Ensure that the load cell can freely deform under load without obstruction.
1. Design a mounting bracket using CAD software.
2. Print the bracket using a strong material like PLA or ABS.
3. Attach the load cell to the bracket using screws or adhesive.
Next, you'll need to wire the load cell to the HX711 amplifier. The wiring typically follows this configuration:
- Connect the load cell wires to the HX711 as follows:
- Red (Excitation+) → E+
- Black (Excitation-) → E-
- White (Signal+) → A+
- Green (Signal-) → A-
Refer to the HX711 datasheet for specific pin configurations.
Once wired, connect the HX711 to your Arduino:
- Connect DT (Data) pin of HX711 to a digital pin on Arduino (e.g., D2).
- Connect SCK (Clock) pin of HX711 to another digital pin on Arduino (e.g., D3).
- Power the HX711 using VCC and GND from Arduino.
To read values from your load cell, you will need to upload a code sketch that initializes the HX711 and reads data from it. Here's a simple example:
#include "HX711.h"
HX711 scale;
void setup() {
Serial.begin(9600);
scale.begin(2, 3); // DT, SCK pins
scale.set_scale(); // Set scale factor
scale.tare(); // Reset scale to zero
}
void loop() {
Serial.print("Weight: ");
Serial.println(scale.get_units(), 1); // Read weight in kg
delay(1000); // Update every second
}
Calibration is crucial for accurate measurements. To calibrate:
1. Place a known weight on the load cell.
2. Adjust the scale factor in your code until the output matches the known weight.
3. Use this calibration factor in your final application code.
The applications of a Degraw 40 kg tension load cell in 3D projects are vast:
- Weighing Scales: Create precise digital scales for various uses.
- Robotics: Measure forces exerted by robotic arms or grippers.
- Structural Testing: Monitor tension in materials during experiments.
When working with load cells, you may encounter some common issues:
- Inaccurate Readings: Ensure proper calibration and check for any mechanical interference.
- Fluctuating Values: This could be due to electrical noise; ensure proper grounding and shielding.
Integrating a Degraw 40 kg tension load cell into your 3D projects can significantly enhance your ability to measure forces accurately and reliably. By following proper setup procedures, wiring configurations, and calibration techniques, you can create innovative applications ranging from weighing scales to dynamic force measurement systems.
A tension load cell is a type of sensor that measures tensile forces by converting mechanical stress into an electrical signal.
To calibrate, place a known weight on it and adjust your scale factor in your code until it matches that weight.
Yes, as long as you have compatible libraries and connections, it can be used with various microcontrollers like Raspberry Pi or ESP8266.
Strong materials like aluminum or durable plastics such as ABS or PETG are recommended for mounting brackets.
The maximum weight that can be measured is up to 40 kg.
[1] https://www.instructables.com/Arduino-Tension-Scale-With-40-Kg-Luggage-Load-Cell/
[2] https://www.youtube.com/watch?v=sxzoAGf1kOo
[3] https://www.instructables.com/member/DegrawSt/
[4] https://www.instructables.com/Arduino-Bathroom-Scale-With-50-Kg-Load-Cells-and-H/
[5] https://www.smdsensors.com/load-cell-troubleshooting-guide/
[6] https://www.camaweigh.com/blog/post/faqs-load-cells/
[7] https://how2electronics.com/weighing-scale-40kg-load-cell-hx711-arduino/
[8] https://grabcad.com/library/degraw-40-kg-tension-load-cell-1
[9] https://www.fpaynter.com/2018/10/digital-tension-scale/
[10] https://engineering.purdue.edu/ME463/Sample-FDR-Reports/Best--Feed-FDR.pdf
[11] https://chameth.com/filament-weight-display/
[12] https://www.3dfindit.com/en/keywords/load-cells
[13] https://www.instructables.com/Arduino-Bathroom-Scale-With-50-Kg-Load-Cells-and-H/
[14] https://forum.arduino.cc/t/using-s-type-load-cell-to-measure-pull-tensions/674180
[15] https://robocraze.com/products/40kg-load-cell
[16] https://www.youtube.com/shorts/G_NN0OOeGyQ
[17] https://www.ascend-tech.com/blog/how-accurate-are-load-cells-a-comprehensive-guide
[18] https://www.anyload.com/guide-to-load-cell-failures/
[19] https://electronics.stackexchange.com/questions/655287/creating-a-strain-gauge-load-cell
[20] https://www.apecusa.com/blog/why-is-my-load-cell-inaccurate-11-problems-and-solutions-for-troubleshooting-load-cells/
[21] https://www.nepal.ubuy.com/en/product/12ZTGST6-degraw-40-kg-tension-load-cell-and-hx711-combo-pack-kit-load-cell-amplifier-adc-weight-sensor-for-ar
[22] https://www.loadstarsensors.com/support/faq.html
[23] https://www.omega.com/en-us/resources/load-cell-troubleshooting
[24] https://www.instructables.com/member/DegrawSt/
[25] https://www.eng-tips.com/threads/correct-orientation-of-shear-beam-load-cell.189176/
[26] https://www.pricecheck.co.za/offers/143363240/Degraw+40+Kg+Tension+Load+Cell+And+HX711+Combo+Pack+Kit+-+Load+Cell+Amplifier+Adc+Weight+Sensor+For+Arduino+Scale+-+Everything+Needed
[27] https://interfaceforce.co.uk/blog/2023/03/27/how-load-cells-can-go-bad/
[28] https://ie.rs-online.com/web/generalDisplay.html?id=ideas-and-advice%2Fload-cells-guide
[29] https://www.desertcart.tn/products/82039474-degraw-40-kg-tension-load-cell-and-hx-711-combo-pack-kit-load-cell-amplifier-adc-weight-sensor-for-arduino-scale-everything-needed-for-accurate-force-measurement
[30] https://www.anyload.com/load-cell-troubleshooting/
[31] https://www.fpaynter.com/2018/10/digital-tension-scale/
