Overview:
TREEMO can detect soil moisture with sensor. You can display tree’s emotion by this device.
With the ESP8266 (WIFI dev. kit) you can make your own IoT (internet of things) projects with TREEMO.
Circuit Diagram
Components
- Arduino Nano CH430 ATMega328
- Soil Moisture Analog
- LED Max7219 8×8 Matrix Display Module
- USB Battery pack 2200Mah (Rechargeble)
Screws for assembly
to hold the electronic components to the body of treemo.
#include "LedControl.h"
#include "binary.h"
const int AirValue = 1025; //you need to replace this value with Value_1
const int WaterValue = 350; //you need to replace this value with Value_2
int intervals = (AirValue - WaterValue)/3;
int soilMoistureValue = 0;
String wet = "";
int DIN = D0;
int CS = D1;
int CLK = D2;
LedControl lc0=LedControl(DIN,CLK,CS,0);
void setup() {
Serial.begin(115200);
int deviceA=lc0.getDeviceCount();
//we have to init all devices in a loop
for(int addressA=0;addressA<deviceA;addressA++)
{
/*The MAX72XX is in power-saving mode on startup*/
lc0.shutdown(addressA,false);
/* Set the brightness to a medium value (1-15) */
lc0.setIntensity(addressA,15);
/* and clear the display */
lc0.clearDisplay(addressA);
}
}
void loop() {
soilMoistureValue = analogRead(A0);
Serial.println(soilMoistureValue);
if(soilMoistureValue > WaterValue && soilMoistureValue < (WaterValue + intervals))
{
lc0.setLed(0,0,7,false);
lc0.setLed(0,1,6,false);
lc0.setLed(0,2,7,false);
lc0.setLed(0,5,7,false);
lc0.setLed(0,6,6,false);
lc0.setLed(0,7,7,false);
lc0.setLed(0,0,6,true);
lc0.setLed(0,1,7,true);
lc0.setLed(0,2,6,true);
lc0.setLed(0,5,6,true);
lc0.setLed(0,6,7,true);
lc0.setLed(0,7,6,true);
Serial.println("Very Wet");
lc0.setLed(0,1,3,true);
lc0.setLed(0,2,2,true);
lc0.setLed(0,3,2,true);
lc0.setLed(0,4,2,true);
lc0.setLed(0,5,2,true);
lc0.setLed(0,6,3,true);
delay(500);
lc0Clear();
delay(100);
lc0.setLed(0,2,3,true);
lc0.setLed(0,2,2,true);
lc0.setLed(0,3,3,true);
lc0.setLed(0,3,1,true);
lc0.setLed(0,4,3,true);
lc0.setLed(0,4,1,true);
lc0.setLed(0,5,3,true);
lc0.setLed(0,5,2,true);
delay(500);
lc0Clear();
delay(100);
}
else if(soilMoistureValue > (WaterValue + intervals) && soilMoistureValue < (AirValue - intervals))
{
lc0.setLed(0,0,7,false);
lc0.setLed(0,1,6,false);
lc0.setLed(0,2,7,false);
lc0.setLed(0,5,7,false);
lc0.setLed(0,6,6,false);
lc0.setLed(0,7,7,false);
lc0.setLed(0,0,6,true);
lc0.setLed(0,1,7,true);
lc0.setLed(0,2,6,true);
lc0.setLed(0,5,6,true);
lc0.setLed(0,6,7,true);
lc0.setLed(0,7,6,true);
lc0Clear();
Serial.println("Wet");
lc0.setLed(0,1,3,true);
lc0.setLed(0,2,2,true);
lc0.setLed(0,3,2,true);
lc0.setLed(0,4,2,true);
lc0.setLed(0,5,2,true);
lc0.setLed(0,6,3,true);
}
else if(soilMoistureValue < AirValue && soilMoistureValue > (AirValue - intervals))
{
lc0.setLed(0,0,6,false);
lc0.setLed(0,1,7,false);
lc0.setLed(0,2,6,false);
lc0.setLed(0,5,6,false);
lc0.setLed(0,6,7,false);
lc0.setLed(0,7,6,false);
lc0.setLed(0,0,7,true);
lc0.setLed(0,1,6,true);
lc0.setLed(0,2,7,true);
lc0.setLed(0,5,7,true);
lc0.setLed(0,6,6,true);
lc0.setLed(0,7,7,true);
lc0Clear();
Serial.println("Dry");
// sad
lc0.setLed(0,1,2,true);
lc0.setLed(0,2,3,true);
lc0.setLed(0,3,3,true);
lc0.setLed(0,4,3,true);
lc0.setLed(0,5,3,true);
lc0.setLed(0,6,2,true);
}
}
void lc0Clear(){
lc0.setLed(0,1,3,false);
lc0.setLed(0,2,2,false);
lc0.setLed(0,3,2,false);
lc0.setLed(0,4,2,false);
lc0.setLed(0,5,2,false);
lc0.setLed(0,6,3,false);
lc0.setLed(0,2,3,false);
lc0.setLed(0,2,2,false);
lc0.setLed(0,3,3,false);
lc0.setLed(0,3,1,false);
lc0.setLed(0,4,3,false);
lc0.setLed(0,4,1,false);
lc0.setLed(0,5,3,false);
lc0.setLed(0,5,2,false);
lc0.setLed(0,1,3,false);
lc0.setLed(0,2,2,false);
lc0.setLed(0,3,2,false);
lc0.setLed(0,4,2,false);
lc0.setLed(0,5,2,false);
lc0.setLed(0,6,3,false);
lc0.setLed(0,1,2,false);
lc0.setLed(0,2,3,false);
lc0.setLed(0,3,3,false);
lc0.setLed(0,4,3,false);
lc0.setLed(0,5,3,false);
lc0.setLed(0,6,2,false);
}
