initial commit

README.md

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+# HX711 Based Torque Measurement
+
+[SparkFun HX711 Load Cell Amp Board](https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html)
+
+[Arduino Library by Rob Tillaart](https://github.com/RobTillaart/HX711/)

arduino_strain.ino

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+//
+//    FILE: HX_plotter.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: HX711 demo
+//     URL: https://github.com/RobTillaart/HX711
+
+
+#include "SevSeg.h"
+#include "HX711.h"
+
+HX711 scale;
+
+//  adjust pins if needed
+uint8_t dataPin = A1;
+uint8_t clockPin = A0;
+
+float f;
+
+
+void setup()
+{
+// 
+  byte numDigits = 4;
+  byte digitPins[] = {2, 3, 4, 5};
+  byte segmentPins[] = {6, 7, 8, 9, 10, 11, 12, 13};
+  bool resistorsOnSegments = false; // 'false' means resistors are on digit pins
+  byte hardwareConfig = COMMON_ANODE; // See README.md for options
+  bool updateWithDelays = false; // Default 'false' is Recommended
+  bool leadingZeros = false; // Use 'true' if you'd like to keep the leading zeros
+  bool disableDecPoint = false; // Use 'true' if your decimal point doesn't exist or isn't connected. Then, you only need to specify 7 segmentPins[]
+
+  sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments,
+  updateWithDelays, leadingZeros, disableDecPoint);
+
+
+  Serial.begin(115200);
+  // Serial.println();
+  // Serial.println(__FILE__);
+  // Serial.print("HX711_LIB_VERSION: ");
+  // Serial.println(HX711_LIB_VERSION);
+  // Serial.println();
+  scale.begin(dataPin, clockPin);
+  scale.set_scale(1);       // TODO you need to calibrate this yourself.
+  scale.tare();
+
+}
+
+
+void loop()
+{
+  //  continuous scale 4x per second
+  f = scale.get_units(1);
+  Serial.println(f);
+  delay(250);
+}
+
+
+//  -- END OF FILE --