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Building a digital scale using a 1kg load cell and Arduino is a great project for electronics enthusiasts and DIYers in Pune. This project allows you to create a precise and accurate digital scale that can be used for a variety of applications.
To start building your digital scale, you will need a 1kg load cell, an Arduino board, a HX711 amplifier module, a small piece of wood or plastic for the base, and some basic tools like a soldering iron and wires.
The first step in building your digital scale is to connect the load cell to the HX711 amplifier module. The load cell has four wires – red, black, white, and green. The red and black wires are for power supply (usually 5V) and ground, while the white and green wires are for data signals. Connect the red wire to VCC on the HX711 module, the black wire to GND, the white wire to E+ (excitation positive), and the green wire to E- (excitation negative) on the module. Make sure to solder the connections properly to ensure good connectivity.
Next, connect the HX711 module to the Arduino board. The module has four pins – VCC, GND, DT (data), and SCK (clock). Connect the VCC pin to 5V on the Arduino, the GND pin to GND, the DT pin to a digital pin on the Arduino (e.g. pin 2), and the SCK pin to another digital pin (e.g. pin 3).
Now, it’s time to write the code for the Arduino. You can find sample code online that will help you interface the load cell with the Arduino and display the weight readings on a digital display or computer screen. Make sure to calibrate the scale properly using known weights to ensure accurate readings.
Once you have completed the wiring and coding, mount the load cell on the base of the scale using screws or adhesive. Place the object you want to weigh on the scale and watch as the weight reading appears on the display.
Building a digital scale using a 1kg load cell and Arduino is a fun and educational project that can be used for various applications. Whether you want to weigh ingredients for cooking, measure packages for shipping, or even monitor your own weight, this digital scale is a versatile tool that you can build yourself in Pune. Happy building!
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