![](/media/cache/profiles/Cristian_Castro_-_Foto.jpg.50x50_q85.jpg)
Lectura de una celda de Carga HX711.
Diff: main.cpp
- 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); + } +} \ No newline at end of file