Did current sweeps for some dists, might do more

TwoCellMagChar/CalibConsts.hpp

@@ -0,0 +1 @@
+../loadCellCode/CalibConsts.hpp

TwoCellMagChar/TwoCellMagChar.ino

@@ -0,0 +1,79 @@
+#include "HX711.h"
+#include "CalibConsts.hpp"
+
+HX711 c0, c1;
+
+//  adjust pins if needed.
+#define c0Data 2
+#define c0Clock 3
+#define c1Data 4
+#define c1Clock 5
+
+#define DIR0 7
+#define PWM0 6
+#define DIR1 8
+#define PWM1 9
+
+void setup()
+{
+  pinMode(DIR0, OUTPUT);
+  pinMode(PWM0, OUTPUT);
+  pinMode(DIR1, OUTPUT);
+  pinMode(PWM1, OUTPUT);
+
+  Serial.begin(115200);
+  Serial.println();
+  Serial.println(__FILE__);
+  Serial.print("HX711_LIB_VERSION: ");
+  Serial.println(HX711_LIB_VERSION);
+  Serial.println();
+
+  c0.begin(c0Data, c0Clock);
+  c0.set_offset(OFFSET0);
+  c0.set_scale(SCALE0);
+
+  c1.begin(c1Data, c1Clock);
+  c1.set_offset(OFFSET1);
+  c1.set_scale(SCALE1);
+}
+
+void loop() {
+  while (Serial.available()) Serial.read();
+  Serial.println("Enter any key to begin reading");
+  while (!Serial.available());
+  Serial.println("Reading Load Cells (Mean over 10 Readings)");
+  float c0Avgs[11] = {0};
+  float c1Avgs[11] = {0};
+  uint8_t ind = 0;
+
+  for (int16_t i = -250; i < 255; i+=50) {
+    Serial.print("Running PWM: ");
+    Serial.println(i);
+    digitalWrite(DIR0, i >= 0);
+    digitalWrite(DIR1, i >= 0);
+    analogWrite(PWM0, abs(i));
+    analogWrite(PWM1, abs(i));
+    delay(200);
+    for (uint8_t j = 0; j < 10; j++) c0Avgs[ind] += c0.get_units();
+    c0Avgs[ind] /= 10;
+    for (uint8_t j = 0; j < 10; j++) c1Avgs[ind] += c1.get_units();
+    c1Avgs[ind] /= 10;
+    ind++;
+  }
+
+  digitalWrite(DIR0, 0);
+  digitalWrite(DIR1, 0);
+  digitalWrite(PWM0, 0);
+  digitalWrite(PWM1, 0);
+
+  Serial.println("Average Values:");
+  for (uint8_t i = 0; i < 11; i++) {
+    Serial.print("PWM ");
+    Serial.print((int) -250+i*50);
+    Serial.print(" - Cell 0: ");
+    Serial.print(c0Avgs[i]);
+    Serial.print("g, Cell 1: ");
+    Serial.print(c1Avgs[i]);
+    Serial.println("g");
+  }  
+}

loadCellCode/CalibConsts.hpp

@@ -1,7 +1,10 @@
 #ifndef CONSTANTS_H
 #define CONSTANTS_H
 
-#define OFFSET 19532
+#define OFFSET0 19532
-#define SCALE 108.633064
+#define SCALE0  108.633064
+
+#define OFFSET1 164066
+#define SCALE1  102.531166
 
 #endif

loadCellCode/loadCellCode.ino

@@ -11,8 +11,8 @@
 HX711 myScale;
 
 //  adjust pins if needed.
-uint8_t dataPin = 2;
+uint8_t dataPin = 4;
-uint8_t clockPin = 3;
+uint8_t clockPin = 5;
 
 
 void setup()
@@ -25,8 +25,8 @@ void setup()
   Serial.println();
 
   myScale.begin(dataPin, clockPin);
-  myScale.set_offset(OFFSET);
+  myScale.set_offset(OFFSET1);
-  myScale.set_scale(SCALE);
+  myScale.set_scale(SCALE1);
 }
 
 void loop()