Very basic Arduino example for testing the HiGrow board based on ESP32, DHT11 and a capacitive moisture sensor

HiGrow_basics.ino

/*
* Very basic Arduino example for testing the HiGrow board based on ESP32, DHT11 and a capacitive moisture sensor
*
* Details on the hardware and how to use it can be found on:
* http://flashgamer.com/blog/comments/higrow-esp32-moisture-and-temperature-sensor#capacitive
*/

#include "DHT.h"
#define DHTTYPE DHT11

const int LEDPIN = 16;
const int DHTPIN = 22;
const int SOILPIN = 32;

DHT dht(DHTPIN, DHTTYPE);

void setup() {  
  Serial.begin(115200);
}

void loop() {
  int waterlevel = analogRead(SOILPIN);
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  float hic = dht.computeHeatIndex(temperature, humidity, false);

  Serial.print("waterlevel: ");
  Serial.print(waterlevel);
  Serial.print(" humidity: ");
  Serial.print(humidity);
  Serial.print(" temperature: ");
  Serial.print(temperature);
  Serial.print(" hic: ");
  Serial.println(hic);
  delay(1000);
}