Upload files to "libraries/HX711/examples/HX_loadcell_array"

libraries/HX711/examples/HX_loadcell_array/HX_loadcell_array.ino

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+//
+//    FILE: HX_loadcell_array.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: HX711 demo
+//     URL: https://github.com/RobTillaart/HX711
+//
+//  see #40
+//  see https://forum.arduino.cc/t/mega2560-with-multiple-hx711/1378510  16 cells
+
+
+#include "HX711.h"
+
+HX711 scale0;
+HX711 scale1;
+HX711 scale2;
+HX711 scale3;
+
+HX711 scales[4] = { scale0, scale1, scale2, scale3 };
+
+//  adjust pins if needed
+const uint8_t dataPin[4] = { 3, 4, 5, 6 };
+const uint8_t clockPin = 7;
+
+//  TODO you need to adjust to your calibrated scale values
+float calib[4] = { 420.0983, 421.365, 419.200, 410.236 };
+
+uint32_t count = 0;
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println();
+  Serial.println(__FILE__);
+  Serial.print("HX711_LIB_VERSION: ");
+  Serial.println(HX711_LIB_VERSION);
+  Serial.println();
+
+  for (int i = 0; i < 4; i++)
+  {
+    scales[i].begin(dataPin[i], clockPin);
+    scales[i].set_scale(calib[i]);
+    //  reset the scale to zero = 0
+    scales[i].tare();
+  }
+}
+
+
+void loop()
+{
+  count++;
+  Serial.print(count);
+  for (int i = 0; i < 4; i++)
+  {
+    Serial.print("\t");
+    Serial.print(scales[i].get_units(5));
+  }
+  Serial.println();
+  delay(250);
+}
+
+
+//  -- END OF FILE --