Day: August 23, 2021

#define trigPin 7 #define echoPin 6 #define ledAman 8 #define led1 9 #define led2 10 #define led3 11 void setup() { // put your setup code here, to run once:…

#include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); // membaca nilai analog pin A0 const int phSensorPin = A0; // hasil perhitungan = (TeganganPhA - TeganganPhB) / (phB - phA) float kalibrasi = 0.165;…