https://www.elecrow.com/arduino-automatic-smart-plant-watering-kit.html (69$)
https://ru.aliexpress.com/item/Elecrow-Arduino/32950752157.html (55$)
Board: Arduino Leonardo
Code: https://www.elecrow.com/download/watering_kit.zip
Libs:
#include <Wire.h>
#include "U8glib.h"
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE); // I2C
#include "Wire.h"
#include "RTClib.h"
RTC_DS1307 RTC;
// set all moisture sensors PIN ID
int moisture1 = A0;
int moisture2 = A1;
int moisture3 = A2;
int moisture4 = A3;
// declare moisture values
int moisture1_value = 0 ;
int moisture2_value = 0;
int moisture3_value = 0;
int moisture4_value = 0;
// set water relays
int relay1 = 6;
int relay2 = 8;
int relay3 = 9;
int relay4 = 10;
// set water pump
int pump = 4;
// set button
int button = 12;
//pump state 1:open 0:close
int pump_state_flag = 0;
//relay1 state 1:open 0:close
int relay1_state_flag = 0;
//relay2 state 1:open 0:close
int relay2_state_flag = 0;
//relay3 state 1:open 0:close
int relay3_state_flag = 0;
//relay4 state 1:open 0:close
int relay4_state_flag = 0;
static unsigned long currentMillis_send = 0;
static unsigned long Lasttime_send = 0;
char daysOfTheWeek[7][12] = {"Sun", "Mon", "Tues", "Wed", "Thur", "Fri", "Sat",};
unsigned long nowtime;
unsigned long endtime;
unsigned long nowtimeNext;
unsigned long nowtime1;
unsigned long endtime1;
unsigned long nowtimeNext1;
unsigned long nowtime2;
unsigned long endtime2;
unsigned long nowtimeNext2;
unsigned long nowtime3;
unsigned long endtime3;
unsigned long nowtimeNext3;
// good flower
unsigned char bitmap_good[] U8G_PROGMEM = {
0x00, 0x42, 0x4C, 0x00, 0x00, 0xE6, 0x6E, 0x00, 0x00, 0xAE, 0x7B, 0x00, 0x00, 0x3A, 0x51, 0x00,
0x00, 0x12, 0x40, 0x00, 0x00, 0x02, 0x40, 0x00, 0x00, 0x06, 0x40, 0x00, 0x00, 0x06, 0x40, 0x00,
0x00, 0x04, 0x60, 0x00, 0x00, 0x0C, 0x20, 0x00, 0x00, 0x08, 0x30, 0x00, 0x00, 0x18, 0x18, 0x00,
0x00, 0xE0, 0x0F, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x02, 0xC1, 0x00, 0x00, 0x0E, 0x61, 0x00,
0x00, 0x1C, 0x79, 0x00, 0x00, 0x34, 0x29, 0x00, 0x00, 0x28, 0x35, 0x00, 0x00, 0x48, 0x17, 0x00,
0x00, 0xD8, 0x1B, 0x00, 0x00, 0x90, 0x1B, 0x00, 0x00, 0xB0, 0x09, 0x00, 0x00, 0xA0, 0x05, 0x00,
0x00, 0xE0, 0x07, 0x00, 0x00, 0xC0, 0x03, 0x00
};
// bad flower
unsigned char bitmap_bad[] U8G_PROGMEM = {
0x00, 0x80, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0xE0, 0x0D, 0x00, 0x00, 0xA0, 0x0F, 0x00,
0x00, 0x20, 0x69, 0x00, 0x00, 0x10, 0x78, 0x02, 0x00, 0x10, 0xC0, 0x03, 0x00, 0x10, 0xC0, 0x03,
0x00, 0x10, 0x00, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x10, 0xC0, 0x00, 0x00, 0x30, 0x60, 0x00,
0x00, 0x60, 0x30, 0x00, 0x00, 0xC0, 0x1F, 0x00, 0x00, 0x60, 0x07, 0x00, 0x00, 0x60, 0x00, 0x00,
0x00, 0x60, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xC7, 0x1C, 0x00,
0x80, 0x68, 0x66, 0x00, 0xC0, 0x33, 0x7B, 0x00, 0x40, 0xB6, 0x4D, 0x00, 0x00, 0xE8, 0x06, 0x00,
0x00, 0xF0, 0x03, 0x00, 0x00, 0xE0, 0x00, 0x00
};
/******************************************************************************
// Elecrow Logo
static unsigned char bitmap_logo[] U8G_PROGMEM ={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xE0,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x04,0xF8,0xFF,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x08,0xFE,0xFF,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x10,0x1F,0xE0,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xB0,0x07,0x80,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xE0,0x03,0x00,0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xC0,0x00,0x00,0x3E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x01,0x00,0x7E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x60,0x23,0x00,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x70,0xC7,0x00,0x7E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x70,0x9E,0x0F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x70,0x3C,0xFE,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x70,0x78,0xF8,0x7F,0xF0,0x9F,0x07,0xFE,0x83,0x0F,0xFF,0x00,0x77,0x3C,0x18,0x1C,
0x70,0xF0,0xE1,0x3F,0xF1,0x9F,0x07,0xFE,0xE1,0x1F,0xFF,0xC3,0xF7,0x3C,0x38,0x0C,
0x70,0xE0,0x87,0x8F,0xF1,0xC0,0x07,0x1E,0x70,0x3C,0xCF,0xE3,0xE1,0x7D,0x3C,0x0E,
0x70,0xD0,0x1F,0xC0,0xF1,0xC0,0x03,0x1F,0x78,0x3C,0xCF,0xE3,0xE1,0x7D,0x3C,0x06,
0xF0,0xB0,0xFF,0xF1,0xF0,0xC0,0x03,0x0F,0x78,0x3C,0xCF,0xF3,0xE0,0x7B,0x3E,0x06,
0xF0,0x60,0xFF,0xFF,0xF0,0xC6,0x03,0xEF,0x3C,0x80,0xEF,0xF1,0xE0,0x7B,0x3E,0x03,
0xF0,0xE1,0xFC,0xFF,0xF8,0xCF,0x03,0xFF,0x3C,0x80,0xFF,0xF0,0xE0,0x7B,0x7B,0x01,
0xE0,0xC3,0xF9,0x7F,0x78,0xC0,0x03,0x0F,0x3C,0x80,0xF7,0xF1,0xE0,0xF9,0xF9,0x01,
0xE0,0x83,0xE3,0x7F,0x78,0xE0,0x03,0x0F,0x3C,0xBC,0xE7,0xF1,0xE0,0xF9,0xF9,0x00,
0xC0,0x0F,0x8F,0x3F,0x78,0xE0,0x81,0x0F,0x3C,0x9E,0xE7,0xF1,0xE0,0xF1,0xF8,0x00,
0x80,0x3F,0x1E,0x00,0x78,0xE0,0x81,0x07,0x38,0x9E,0xE7,0xF1,0xF0,0xF0,0x78,0x00,
0x80,0xFF,0xFF,0x00,0xF8,0xEF,0xBF,0xFF,0xF8,0xCF,0xE7,0xE1,0x7F,0x70,0x70,0x00,
0x00,0xFF,0xFF,0x0F,0xF8,0xEF,0xBF,0xFF,0xE0,0xC3,0xE3,0x81,0x1F,0x70,0x30,0x00,
0x00,0xFC,0xFF,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xF8,0xFF,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xE0,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
******************************************************************************/
static unsigned char bitmap_T[] U8G_PROGMEM = {
0xF7, 0x01, 0x1D, 0x03, 0x0B, 0x02, 0x0C, 0x02, 0x0C, 0x00, 0x0C, 0x00, 0x0C, 0x00, 0x08, 0x02,
0x18, 0x03, 0xF0, 0x01
};
static unsigned char bitmap_H[] U8G_PROGMEM = {
0x00, 0x00, 0x80, 0x01, 0xC0, 0x03, 0xE0, 0x07, 0xF0, 0x0F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFC, 0x3F,
0xFC, 0x3F, 0xFE, 0x7F, 0xEE, 0x7F, 0xB3, 0xF7, 0xBB, 0xFB, 0xBB, 0xFD, 0xBB, 0xFD, 0xC7, 0xFE,
0x7F, 0xC3, 0x3F, 0xDD, 0xBF, 0xFD, 0xDF, 0xDD, 0xEE, 0x5B, 0xFE, 0x7F, 0xFC, 0x3F, 0xF8, 0x1F,
0xE0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
void setup()
{
//draw_elecrow();
//delay(5000);
Wire.begin();
RTC.begin();
Serial.begin(9600);
// declare relay as output
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);
pinMode(relay3, OUTPUT);
pinMode(relay4, OUTPUT);
// declare pump as output
pinMode(pump, OUTPUT);
// declare switch as input
pinMode(button, INPUT);
//pinMode(ROTARY_ANGLE_SENSOR, INPUT);
// water_flower();
}
void loop()
{
// read the value from the moisture sensors:
read_value();
water_flower();
int button_state = digitalRead(button);
if (button_state == 1)
{
//read_value();
u8g.firstPage();
do
{
drawTH();
drawflower();
} while ( u8g.nextPage() );
delay(500);
}
else
{
u8g.firstPage();
do
{
drawtime();
u8g.drawStr(8, 55 , "www.elecrow.com");
} while (u8g.nextPage());
delay(500);
}
}
//Set moisture value
void read_value()
{
float value1 = analogRead(A0);
moisture1_value = (value1 * 120) / 1023; delay(20);
float value2 = analogRead(A1);
moisture2_value = (value2 * 120) / 1023; delay(20);
float value3 = analogRead(A2);
moisture3_value = (value3 * 120) / 1023; delay(20);
float value4 = analogRead(A3);
moisture4_value = (value4 * 120) / 1023; delay(20);
}
void water_flower()
{
if (moisture1_value < 30)
{
digitalWrite(relay1, HIGH);
relay1_state_flag = 1;
delay(50);
if (pump_state_flag == 0)
{
digitalWrite(pump, HIGH);
pump_state_flag = 1;
delay(50);
}
}
else if (moisture1_value > 55)
{
digitalWrite(relay1, LOW);
relay1_state_flag = 0;
delay(50);
if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
{
digitalWrite(pump, LOW);
pump_state_flag = 0;
delay(50);
}
}
if (moisture2_value < 30)
{
digitalWrite(relay2, HIGH);
relay2_state_flag = 1;
delay(50);
if (pump_state_flag == 0)
{
digitalWrite(pump, HIGH);
pump_state_flag = 1;
delay(50);
}
}
else if (moisture2_value > 55)
{
digitalWrite(relay2, LOW);
relay2_state_flag = 0;
delay(50);
if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
{
digitalWrite(pump, LOW);
pump_state_flag = 0;
delay(50);
}
}
if (moisture3_value < 30)
{
digitalWrite(relay3, HIGH);
relay3_state_flag = 1;
delay(50);
if (pump_state_flag == 0)
{
digitalWrite(pump, HIGH);
pump_state_flag = 1;
delay(50);
}
}
else if (moisture3_value > 55)
{
digitalWrite(relay3, LOW);
relay3_state_flag = 0;
delay(50);
if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
{
digitalWrite(pump, LOW);
pump_state_flag = 0;
delay(50);
}
}
if (moisture4_value < 30)
{
digitalWrite(relay4, HIGH);
relay4_state_flag = 1;
delay(50);
if (pump_state_flag == 0)
{
digitalWrite(pump, HIGH);
pump_state_flag = 1;
delay(50);
}
}
else if (moisture4_value > 55)
{
digitalWrite(relay4, LOW);
relay4_state_flag = 0;
delay(50);
if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
{
digitalWrite(pump, LOW);
pump_state_flag = 0;
delay(50);
}
}
}
/*
void draw_elecrow(void){
u8g.setFont(u8g_font_gdr9r);
u8g.drawStr(8,55 , "www.elecrow.com");
u8g.drawXBMP(0, 5,128,32, bitmap_logo);
}
*/
void drawtime(void)
{
int x = 5;
float i = 25.00;
float j = 54;
DateTime now = RTC.now();
//Serial.print(now.year(), DEC);
if (! RTC.isrunning())
{
u8g.setFont(u8g_font_6x10);
u8g.setPrintPos(5, 20);
u8g.print("RTC is NOT running!");
RTC.adjust(DateTime(__DATE__, __TIME__));
}
else
{
u8g.setFont(u8g_font_7x13);
u8g.setPrintPos(x, 11);
u8g.print(now.year(), DEC);
u8g.setPrintPos(x + 80, 11);
u8g.print(daysOfTheWeek[now.dayOfTheWeek()]);
u8g.setPrintPos(x + 28, 11);
u8g.print("/");
u8g.setPrintPos(x + 33, 11);
u8g.print(now.month(), DEC);
if (now.month() < 10)
x -= 7;
u8g.setPrintPos(x + 47, 11);
u8g.print("/");
u8g.setPrintPos(x + 53, 11);
u8g.print(now.day(), DEC);
u8g.setFont(u8g_font_8x13);
int x = 35;
u8g.setPrintPos(x, 33);
u8g.print(now.hour(), DEC);
if (now.hour() < 10)
x -= 7;
u8g.setPrintPos(x + 15, 33);
u8g.print(":");
u8g.setPrintPos(x + 21, 33);
u8g.print(now.minute(), DEC);
if (now.minute() < 10)
x -= 7;
u8g.setPrintPos(x + 36, 33);
u8g.print(":");
u8g.setPrintPos(x + 42, 33);
u8g.print(now.second(), DEC);
}
}
void drawLogo(uint8_t d)
{
u8g.setFont(u8g_font_gdr25r);
u8g.drawStr(8 + d, 30 + d, "E");
u8g.setFont(u8g_font_gdr25r);
u8g.drawStr(30 + d, 30 + d, "l");
u8g.setFont(u8g_font_gdr25r);
u8g.drawStr(40 + d, 30 + d, "e");
u8g.setFont(u8g_font_gdr25r);
u8g.drawStr(55 + d, 30 + d, "c");
u8g.setFont(u8g_font_gdr25r);
u8g.drawStr(70 + d, 30 + d, "r");
u8g.setFont(u8g_font_gdr25r);
u8g.drawStr(85 + d, 30 + d, "o");
u8g.setFont(u8g_font_gdr25r);
u8g.drawStr(100 + d, 30 + d, "w");
}
//Style the flowers bitmap_bad: bad flowers bitmap_good:good flowers
void drawflower(void)
{
if (moisture1_value < 30)
{
u8g.drawXBMP(0, 0, 32, 30, bitmap_bad);
}
else
{
u8g.drawXBMP(0, 0, 32, 30, bitmap_good);
}
if (moisture2_value < 30)
{
u8g.drawXBMP(32, 0, 32, 30, bitmap_bad);
}
else
{
u8g.drawXBMP(32, 0, 32, 30, bitmap_good);
}
if (moisture3_value < 30)
{
u8g.drawXBMP(64, 0, 32, 30, bitmap_bad);
}
else
{
u8g.drawXBMP(64, 0, 32, 30, bitmap_good);
}
if (moisture4_value < 30)
{
u8g.drawXBMP(96, 0, 32, 30, bitmap_bad);
}
else
{
u8g.drawXBMP(96, 0, 32, 30, bitmap_good);
}
}
void drawTH(void)
{
int A = 0;
int B = 0;
int C = 64;
int D = 96;
char moisture1_value_temp[5] = {0};
char moisture2_value_temp[5] = {0};
char moisture3_value_temp[5] = {0};
char moisture4_value_temp[5] = {0};
read_value();
itoa(moisture1_value, moisture1_value_temp, 10);
itoa(moisture2_value, moisture2_value_temp, 10);
itoa(moisture3_value, moisture3_value_temp, 10);
itoa(moisture4_value, moisture4_value_temp, 10);
u8g.setFont(u8g_font_8x13);
u8g.setPrintPos(9, 60);
u8g.print("A0");
if (moisture1_value < 10)
{
//u8g.setPrintPos(A + 14, 45 );
u8g.drawStr(A + 14, 45, moisture1_value_temp);
}
else if (moisture1_value < 100)
{
//u8g.setPrintPos(A + 6, 45);
u8g.drawStr(A + 6, 45, moisture1_value_temp);
}
else
{
//u8g.setPrintPos(A + 2, 45 );
moisture1_value = 100;
itoa(moisture1_value, moisture1_value_temp, 10);
u8g.drawStr(A + 2, 45, moisture1_value_temp);
}
//u8g.print(moisture1_value);
u8g.setPrintPos(A + 23, 45 );
u8g.print("%");
u8g.setPrintPos(41, 60 );
u8g.print("A1");
if (moisture2_value < 10)
{
//u8g.setPrintPos(B + 46, 45 );
u8g.drawStr(B + 46, 45, moisture2_value_temp);
}
else if (moisture2_value < 100)
{
//u8g.setPrintPos(B + 37, 45);
u8g.drawStr(B + 37, 45, moisture2_value_temp);
}
else
{
//u8g.setPrintPos(B + 32, 45);
moisture2_value = 100;
itoa(moisture2_value, moisture2_value_temp, 10);
u8g.drawStr(B + 32, 45, moisture2_value_temp);
}
// u8g.print(moisture2_value);
u8g.setPrintPos(B + 54, 45);
u8g.print("%");
u8g.setPrintPos(73, 60);
u8g.print("A2");
if (moisture3_value < 10)
{
//u8g.setPrintPos(C + 14, 45 );
u8g.drawStr(C + 14, 45, moisture3_value_temp);
}
else if (moisture3_value < 100)
{
// u8g.setPrintPos(C + 5, 45);
u8g.drawStr(C + 5, 45, moisture3_value_temp);
}
else
{
// u8g.setPrintPos(C + 2, 45);
moisture3_value = 100;
itoa(moisture3_value, moisture3_value_temp, 10);
u8g.drawStr(C + 2, 45, moisture3_value_temp);
}
//u8g.print(moisture3_value);
u8g.setPrintPos(C + 23, 45);
u8g.print("%");
u8g.setPrintPos(105, 60);
u8g.print("A3");
if (moisture4_value < 10)
{
//u8g.setPrintPos(D + 14, 45 );
u8g.drawStr(D + 14, 45, moisture4_value_temp);
}
else if (moisture4_value < 100)
{
// u8g.setPrintPos(D + 5, 45);
u8g.drawStr(D + 5, 45, moisture4_value_temp);
}
else
{
//u8g.setPrintPos(D + 2, 45);
moisture4_value = 100;
itoa(moisture4_value, moisture4_value_temp, 10);
u8g.drawStr(D + 2, 45, moisture4_value_temp);
}
//u8g.print(moisture4_value);
u8g.setPrintPos(D + 23, 45);
u8g.print("%");
}
