โหลดเซลล์ สำหรับ Arduino HX711 Digital Load Cell Weight Sensor Scale

• Item Type: Digital Load Cell Weight Sensor
• Material: PCB, Acrylic, Aluminum alloy
• Bracket Diameter: Approx. 10cm/3.94in Tray Diameter
• Working Voltage: 3.3V-5V Recommended 5V
• Height: Approx. 3.5cm/1.38in Including Pillars
• AD Module: HX711 24-Bit High Precise A D Conversion Chip HX711
• Working Current: 1.5mA

/*
Rui Santos

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files.

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
*/

// Calibrating the load cell
#include "HX711.h"

// HX711 circuit wiring
const int LOADCELL_DOUT_PIN = 2;
const int LOADCELL_SCK_PIN = 3;

HX711 scale;

void setup() {
Serial.begin(57600);
scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
}

void loop() {

if (scale.is_ready()) {
scale.set_scale();
Serial.println("Tare... remove any weights from the scale.");
delay(5000);
scale.tare();
Serial.println("Tare done...");
Serial.print("Place a known weight on the scale...");
delay(5000);
long reading = scale.get_units(10);
Serial.print("Result: ");
Serial.println(reading);
}
else {
Serial.println("HX711 not found.");
}
delay(1000);
}

//calibration factor will be the (reading)/(known weight)