09 May 2024


Are you looking for a fun and useful DIY project to work on? How about building your own Arduino scale using the HX711 Load Cell Amplifier? This project is not only a great way to learn about electronics and programming, but it can also be a handy tool to have around the house. In this article, we will guide you through the steps of building your own Arduino scale.

First, let’s talk about the components you will need for this project. You will need an Arduino board, a HX711 Load Cell Amplifier, a load cell sensor, a LCD display, and some basic electronic components like resistor and jumper wires. You can easily find these components at your local electronics store or online.

The first step is to wire up the HX711 Load Cell Amplifier to the Arduino board. Connect the DT and SCK pins of the HX711 to digital pins 3 and 2 on the Arduino, respectively. Then, connect the VCC pin to the 5V pin on the Arduino and the GND pin to the GND pin on the Arduino.

Next, connect the load cell sensor to the HX711 Load Cell Amplifier. The load cell sensor will have four wires – red, black, white, and green. Connect the red and black wires to the E+ and E- pins on the HX711, and the white and green wires to the A+ and A- pins.

Now, it’s time to wire up the LCD display to the Arduino board. Connect the SDA pin of the LCD display to the A4 pin on the Arduino, and the SCL pin to the A5 pin. Also, connect the VCC pin of the LCD display to the 5V pin on the Arduino and the GND pin to the GND pin.

Once all the components are connected, it’s time to write the Arduino code. You will need to download the HX711 library and the LiquidCrystal_I2C library from the Arduino website. Then, you can write a simple code that reads the weight from the load cell sensor and displays it on the LCD display.

And that’s it! You have successfully built your own Arduino scale using the HX711 Load Cell Amplifier. This project is a great way to learn about electronics and programming, and it can be a useful tool to have around the house. So, gather your components and start building your DIY Arduino scale today! If you need any further assistance, don’t hesitate to contact Sharp Electronics Pune.

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