basicAdc.ino

#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <ArduinoOTA.h>
#include <Adafruit_ADS1015.h>

Adafruit_ADS1115 ads;
//Adafruit_ADS1015 ads;
const char* ssid = "Tell my WiFi I love her";
const char* password = "xxxxxxxx";

void setup() {
  Wire.begin(0, 2);
  Serial.begin(115200);
  Serial.println("Booting");
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  while (WiFi.waitForConnectResult() != WL_CONNECTED) {
    Serial.println("Connection Failed! Rebooting...");
    delay(5000);
    ESP.restart();
  }

  // Port defaults to 8266
  // ArduinoOTA.setPort(8266);

  // Hostname defaults to esp8266-[ChipID]
  // ArduinoOTA.setHostname("mc01");

  // No authentication by default
  // ArduinoOTA.setPassword((const char *)"123");

  ArduinoOTA.onStart([]() {
    Serial.print("OTA Update");
  });
  ArduinoOTA.onEnd([]() {
    Serial.println("done!");
  });
  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
    Serial.print(".");
  });
  ArduinoOTA.onError([](ota_error_t error) {
    Serial.printf("Error[%u]: ", error);
    if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
    else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
    else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
    else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
    else if (error == OTA_END_ERROR) Serial.println("End Failed");
  });
  ArduinoOTA.begin();
  Serial.println("Ready");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  ads.begin();
  ads.setGain(GAIN_ONE);
}

void loop() {
  ArduinoOTA.handle();
  int16_t adc0, adc1, adc2, adc3;

  adc0 = ads.readADC_SingleEnded(0);
  adc1 = ads.readADC_SingleEnded(1);
  adc2 = ads.readADC_SingleEnded(2);
  adc3 = ads.readADC_SingleEnded(3);
  Serial.print("AIN0: "); Serial.println(adc0);
  Serial.print("AIN1: "); Serial.println(adc1);
  Serial.print("AIN2: "); Serial.println(adc2);
  Serial.print("AIN3: "); Serial.println(adc3);
  Serial.println(" ");

  int16_t results;

  /* Be sure to update this value based on the IC and the gain settings! */
  //float   multiplier = 3.0F;    /* ADS1015 @ +/- 6.144V gain (12-bit results) */
  float multiplier = 0.125F; /* ADS1115  @ +/- 6.144V gain (16-bit results) */

  results = ads.readADC_Differential_0_1();

  Serial.print("Differential 0_1: "); Serial.print(results); Serial.print("("); Serial.print(results * multiplier); Serial.println("mV)");

  results = ads.readADC_Differential_2_3();

  Serial.print("Differential 2_3: "); Serial.print(results); Serial.print("("); Serial.print(results * multiplier); Serial.println("mV)");

  delay(1000);
}