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Building your own DIY weight scale using an Arduino and a load cell is a fun and rewarding project for electronics enthusiasts. In this article, we will guide you through the process of creating your very own weight scale from scratch.
Start by gathering the necessary materials. You will need an Arduino board, a load cell (a type of sensor that measures weight), an HX711 amplifier module, a breadboard, wires, and a suitable container to house your scale.
First, connect the load cell to the HX711 module. The load cell will typically have four wires – red, black, white, and green. Connect the red wire to E+ on the HX711 module, the black wire to E-, the white wire to A+, and the green wire to A-.
Next, connect the HX711 module to the Arduino. Connect VCC on the HX711 module to the 5V pin on the Arduino, GND to GND, DT to digital pin 3, and SCK to digital pin 2.
Now, it’s time to write the code for the Arduino. You can use the HX711 library, which simplifies the process of reading data from the load cell. The code will read the weight measured by the load cell and display it on the serial monitor.
Once you have uploaded the code to the Arduino and connected it to your computer, you can test your scale by placing an object of known weight on it. The weight should be displayed accurately on the serial monitor.
Finally, you can design and build a housing for your weight scale. You can use a 3D printer to create a custom enclosure or simply use a small box or container to protect the electronics.
With your DIY weight scale up and running, you can now use it for various purposes such as measuring ingredients for recipes, weighing packages for shipping, or monitoring your fitness progress.
In conclusion, building a DIY weight scale with an Arduino and load cell is a fun and educational project that anyone with basic electronics knowledge can undertake. By following the steps outlined in this article, you can create your very own working weight scale in no time. Happy building!
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