Lectura de una celda de Carga HX711.

Dependencies:   mbed

Revision:
0:5d67331a6e7e
Child:
1:392a3fb6d177
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri May 05 20:16:31 2017 +0000
@@ -0,0 +1,31 @@
+#include "mbed.h"
+#include "HX711.h"
+#include "TextLCD.h" 
+
+DigitalOut led(LED_BLUE);
+HX711 scale(PTC9, PTC8);
+
+Serial rs232(USBTX, USBRX);    // USB Serial Terminal
+TextLCD lcd(PTE20,PTE21,PTE22,PTE23,PTE29,PTE30, TextLCD::LCD16x2); // Rs, E, d4, d5, d6, d7 
+
+float calibration_factor = 1000; //Ajustar este valor para calibrar el peso exacto
+int averageSamples = 100;
+
+int main(void)
+{
+     
+    scale.setScale(0);
+    scale.tare(); //Reset the scale to 0
+    
+    long zero_factor = scale.averageValue(averageSamples); // Saca promedio de varias lecturas para estabilizar la medida
+     
+    while (true) {
+        scale.setScale(calibration_factor); 
+        float weight = scale.getGram();
+        rs232.printf("Peso: %.2f\n", weight);
+        lcd.locate(0,0);
+        lcd.printf("Peso: %.2f Grms", weight);
+        led = !led; // toggle led
+        wait(0.2f);
+    }
+}
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