Phant from an ESP8266

Phant_LightLevel.ino

#include <ESP8266WiFi.h>

const char *ssid = "*redacted*";
const char *password = "*redacted*";

const char *phant_public_key = "pwz6Xgv697hdJdoMA9qm";
const char *phant_private_key = "*redacted*";
const char *phant_host = "data.sparkfun.com";

void setup() {
  Serial.begin(115200);
  delay(10);
  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println();
  Serial.println("Wifi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
}

void loop() {
  WiFiClient client;
  
  if (!client.connect(phant_host, 80)) {
    Serial.println("connection failed");
    return;
  }
  
  client.print("GET /input/");
  delay(10);
  client.print(phant_public_key);
  delay(10);
  client.print("?private_key=");
  delay(10);
  client.print(phant_private_key);
  delay(10);
  client.print("&light=");
  delay(10);
  client.print(analogRead(0));
  delay(10);
  client.println(" HTTP/1.1");
  delay(10);
  client.print("Host: ");
  delay(10);
  client.println(phant_host);
  delay(10);
  client.println("Connection: close");
  delay(10);
  client.println();
  delay(10);
  
  
  while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  client.flush();
  client.stop();
  yield();
  delay(5000);
}