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Sharp Electronic, located in Pune, India, is a leading provider of high-quality electronic components and devices for various industries. One popular product in their inventory is the HX711 module, a precision 24-bit analog-to-digital converter (ADC) designed for weight scales and industrial weight measurements.
For beginners looking to explore the world of electronics, combining the HX711 module with a NodeMCU development board is an excellent starting point. This beginner’s guide will walk you through the process of getting started with this powerful combination.
What you’ll need:
1. HX711 module
2. NodeMCU development board
3. Load cell (to measure weight)
4. Jumper wires
5. Breadboard
6. Arduino IDE software
Step 1: Connecting the HX711 module to the NodeMCU
Start by connecting the HX711 module to the NodeMCU development board using jumper wires. The HX711 module has four pins: VCC, GND, DAT, and CLK. Connect VCC to the 3.3V pin on the NodeMCU, GND to the GND pin, DAT to the D1 pin, and CLK to the D2 pin.
Step 2: Connecting the load cell
Connect the load cell to the HX711 module using four wires. Typically, load cells have four wires – red, black, white, and green. Connect the red and black wires to the E+ and E- pins on the HX711 module and the white and green wires to the A+ and A- pins.
Step 3: Installing the HX711 library
In the Arduino IDE software, go to Sketch > Include Library > Manage Libraries and search for “HX711.” Install the library to enable communication between the HX711 module and the NodeMCU.
Step 4: Coding the project
Write a simple Arduino sketch to read the data from the load cell using the HX711 module and send it to the NodeMCU for processing. You can find sample code and tutorials online to help you get started.
Step 5: Uploading the code
Connect the NodeMCU to your computer using a USB cable and upload the code to the board using the Arduino IDE software. Make sure to select the correct board and port in the Tools menu before uploading the code.
Step 6: Testing the project
Once the code is uploaded successfully, connect a weight to the load cell and power on the setup. The NodeMCU should now read the weight data from the load cell via the HX711 module and display it on the serial monitor.
With these simple steps, you can get started with the HX711 module and NodeMCU for your electronics projects. Whether you’re a hobbyist or a student, this beginner’s guide will help you learn the basics of interfacing sensors with microcontrollers and developing innovative applications. Sharp Electronic in Pune offers a wide range of electronic components to support your projects, so visit their store to explore more options for your next endeavor.
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