Output Capacitive Moisture as percentage on Serial and LCD

1// include LCD library
2#include <LiquidCrystal.h>
3
4// define  constants for wet and dry sensor
5const int dry = 595; // value for dry sensor
6const  int wet = 239; // value for wet sensor
7const int rs = 12, en = 11, d4 = 5, d5  = 4, d6 = 3, d7 = 2; // define pins corresponding with the above setup
8LiquidCrystal  lcd(rs, en, d4, d5, d6, d7); // define which pins on the LCD are being used
9  
10
11void setup()
12{
13  Serial.begin(9600); // set serial monitor so values  can be monitored via IDE
14  lcd.begin(16, 2); // set up the LCD's number of columns  and rows
15  lcd.print("Soil Moisture: "); // Print a message to the LCD.
16  
17  // set up LCD pins as follows (also see: https://www.arduino.cc/en/Tutorial/LibraryExamples/HelloWorld  for setup of LCD):
18  // LCD RS pin to digital pin 12
19  // LCD Enable pin to  digital pin 11
20  // LCD D4 pin to digital pin 5
21  // LCD D5 pin to digital  pin 4
22  // LCD D6 pin to digital pin 3
23  // LCD D7 pin to digital pin 2
24  // LCD R/W pin to GND
25  // LCD VSS pin to GND
26  // LCD VCC pin to 5V
27  // LCD LED+ to 5V through a 220 ohm resistor
28  // LCD LED- to GND
29
30}
31
32void  loop()
33{
34  lcd.setCursor(0, 1); // set the LCD cursor to column 0, line 1
35
36  int sensorVal = analogRead(A0); // output analogue value as integer
37  int percentageHumididy  = map(sensorVal, wet, dry, 100, 0); // set analogue value as percentage between  0% and 100%
38  Serial.print(percentageHumididy); // print output
39  Serial.println('%');  // add "%" sign after output to display as percentage
40
41  // SO FAR, THIS  PRINTS VALUES IN THE SERIAL MONITOR. NOW WE HAVE TO PRINT TO THE LCD. Above, LCD  library should be included in program.
42
43  lcd.print(percentageHumididy); //  print the sensor value on LCD:
44  lcd.print('%'); // add "%" sign after output  to display as percentage
45
46  delay(100); // restart loop after 1 second
47}

1// include LCD library
2#include <LiquidCrystal.h>
3
4// define
5  constants for wet and dry sensor
6const int dry = 595; // value for dry sensor
7const
8  int wet = 239; // value for wet sensor
9const int rs = 12, en = 11, d4 = 5, d5
10  = 4, d6 = 3, d7 = 2; // define pins corresponding with the above setup
11LiquidCrystal
12  lcd(rs, en, d4, d5, d6, d7); // define which pins on the LCD are being used
13
14  
15
16void setup()
17{
18  Serial.begin(9600); // set serial monitor so values
19  can be monitored via IDE
20  lcd.begin(16, 2); // set up the LCD's number of columns
21  and rows
22  lcd.print("Soil Moisture: "); // Print a message to the LCD.
23
24  
25  // set up LCD pins as follows (also see: https://www.arduino.cc/en/Tutorial/LibraryExamples/HelloWorld
26  for setup of LCD):
27  // LCD RS pin to digital pin 12
28  // LCD Enable pin to
29  digital pin 11
30  // LCD D4 pin to digital pin 5
31  // LCD D5 pin to digital
32  pin 4
33  // LCD D6 pin to digital pin 3
34  // LCD D7 pin to digital pin 2
35
36  // LCD R/W pin to GND
37  // LCD VSS pin to GND
38  // LCD VCC pin to 5V
39
40  // LCD LED+ to 5V through a 220 ohm resistor
41  // LCD LED- to GND
42
43}
44
45void
46  loop()
47{
48  lcd.setCursor(0, 1); // set the LCD cursor to column 0, line 1
49
50
51  int sensorVal = analogRead(A0); // output analogue value as integer
52  int percentageHumididy
53  = map(sensorVal, wet, dry, 100, 0); // set analogue value as percentage between
54  0% and 100%
55  Serial.print(percentageHumididy); // print output
56  Serial.println('%');
57  // add "%" sign after output to display as percentage
58
59  // SO FAR, THIS
60  PRINTS VALUES IN THE SERIAL MONITOR. NOW WE HAVE TO PRINT TO THE LCD. Above, LCD
61  library should be included in program.
62
63  lcd.print(percentageHumididy); //
64  print the sensor value on LCD:
65  lcd.print('%'); // add "%" sign after output
66  to display as percentage
67
68  delay(100); // restart loop after 1 second
69}