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If you are looking to build your own weight scale at home, using a 10 kg load cell and Arduino can be a great way to get started. This project is not only fun and educational, but it can also save you money compared to buying a commercial weight scale. In this article, we will guide you through the process of building your own DIY weight scale with a 10 kg load cell and Arduino.
Materials needed:
– Arduino board (such as Arduino Uno or Nano)
– 10 kg load cell
– HX711 amplifier module
– LCD display
– Breadboard
– Jumper wires
– Power source (USB cable or battery)
– Scale platform (to place the load cell)
Step 1: Connect the load cell to the HX711 amplifier module
The load cell has four wires: red, black, white, and green. Connect the red and black wires to the E+ and E- pins on the HX711 module, respectively. Connect the white and green wires to the A+ and A- pins on the module, respectively.
Step 2: Connect the HX711 module to the Arduino
Connect the VCC pin on the HX711 module to the 5V pin on the Arduino. Connect the GND pin on the module to the GND pin on the Arduino. Connect the DT pin on the module to the D3 pin on the Arduino and the SCK pin on the module to the D2 pin on the Arduino.
Step 3: Connect the LCD display to the Arduino
Connect the VCC pin on the LCD display to the 5V pin on the Arduino. Connect the GND pin on the display to the GND pin on the Arduino. Connect the SDA pin on the display to the A4 pin on the Arduino and the SCL pin on the display to the A5 pin on the Arduino.
Step 4: Write the Arduino code
You can find various Arduino libraries and example codes online for interfacing with the load cell and LCD display. Write a code that reads the weight data from the load cell using the HX711 module and displays it on the LCD display.
Step 5: Test the weight scale
Once you have uploaded the code to the Arduino board, place a known weight (such as a 1 kg weight) on the scale platform and check if the weight displayed on the LCD display matches the actual weight. You can also test with different weights to calibrate the scale if needed.
Building your own DIY weight scale with a 10 kg load cell and Arduino can be a fun and rewarding project. It not only allows you to learn about electronics and programming but also gives you a personalized weight scale that you can use at home. So why not give it a try and see how accurate and reliable your homemade weight scale can be!
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