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58 lines
1.2 KiB
58 lines
1.2 KiB
#include "Nokia_5110.h"
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//https://github.com/baghayi/Nokia_5110
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//MIT license
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//These have been slightly edited from default (normal is 2,3,4,5,6)
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#define RST 3
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#define CE 4
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#define DC 5
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#define DIN 6
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#define CLK 7
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Nokia_5110 lcd = Nokia_5110(RST, CE, DC, DIN, CLK);
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#define PHSENSOR A3
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//uno is 10 bit adc
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uint16_t phVal_u16 = 0;
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float phFloat = 0;
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void setup() {
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Serial.begin(9600);
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/**
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* Note: if instead of text being shown on the display, all the segments are on, you may need to decrease contrast value.
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*/
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lcd.setContrast(28); // 60 is the default value set by the driver
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//lcd.print("Please Wait ...");
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lcd.setCursor(15,1);
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lcd.print("Starting...");
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delay(800);
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lcd.clear();
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//lcd.print("Hi there");
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//lcd.println(":D");
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//lcd.setCursor(0, 5);
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//lcd.println("1 2 3 ...");
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}
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void loop() {
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lcd.clear();
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phVal_u16 = analogRead(PHSENSOR);
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phFloat = phVal_u16 * 0.013672;
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lcd.setCursor(15,1);
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lcd.println("Raw:");
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lcd.setCursor(45,2);
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lcd.print(phVal_u16);
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lcd.setCursor(15,3);
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lcd.println("PH #:");
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lcd.setCursor(45,4);
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lcd.print(phFloat);
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//Serial.println(phVal_u16);
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delay(1000);
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}
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