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Load cells are devices used to measure weight and force by converting the force exerted on them into an electrical signal. When combined with an HX711 amplifier and connected to an Arduino board, load cells can provide accurate weight readings for various applications. In this article, we will discuss how to use a load cell HX711 with an Arduino and an LCD display.
Materials needed:
1. Load cell
2. HX711 amplifier
3. Arduino board
4. LCD display
5. Breadboard
6. Jumper wires
Step 1: Connecting the load cell to the HX711 amplifier
The load cell typically has red, white, green, and black wires. Connect the red and black wires to the E+ and E- pins on the HX711 amplifier, respectively. Connect the white and green wires to the A+ and A- pins on the HX711 amplifier, respectively. The HX711 module will usually have VCC, GND, DT, and SCK pins. Connect VCC to 5V on the Arduino, GND to GND, DT to digital pin 2, and SCK to digital pin 3.
Step 2: Setting up the Arduino
Download the HX711 library for Arduino from the internet and install it in the Arduino IDE. Open a new sketch and include the necessary libraries. Define the pins to which the HX711 module is connected. Initialize the HX711 module in the setup function.
Step 3: Connecting the LCD display
Connect the VCC and GND pins of the LCD display to 5V and GND on the Arduino, respectively. Connect the SDA and SCL pins of the LCD display to the SDA and SCL pins on the Arduino, respectively.
Step 4: Displaying the weight readings on the LCD display
In the loop function, read the weight value from the HX711 module, convert it to kilograms or pounds as needed, and print it on the LCD display.
Step 5: Testing the setup
Upload the sketch to the Arduino board and test the setup by placing an object on the load cell. The weight readings should be displayed on the LCD display accurately.
Using a load cell HX711 with an Arduino and an LCD display is a cost-effective and versatile solution for weight measurement applications. With this setup, you can build scales, force sensors, and other weight measurement devices for various projects. By following the steps outlined in this article, you can easily integrate a load cell HX711 with an Arduino and an LCD display for accurate weight measurements.
If you are looking for high quality electronic components and resources for your projects, Sharp Electronics Pune is one of the leading suppliers in Pune. Visit their website or store to explore a wide range of electronic components and get expert advice on your projects. Happy tinkering!
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