source code utnuk cek chip ID
void setup() {
Serial.begin(115200);
}
void loop() {
Serial.println("");
Serial.println("");
Serial.println("Check ID in:");
Serial.println("https://www.wemos.cc/verify_products");
Serial.printf("Chip ID = %08X\n", ESP.getChipId());
Serial.println("");
Serial.println("");
delay(5000);
}
ini adalah sourcode untuk pelatihan iot
code untuk server :
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
const char* ssid = "free@WIFIUGMCLUB";
const char* password = "hotelugm10";
ESP8266WebServer server(80);
const int led = 13;
void handleRoot() {
digitalWrite(led, 1);
server.send(200, "text/plain", "Hello from esp8266!");
digitalWrite(led, 0);
}
void handleNotFound(){
digitalWrite(led, 1);
String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET)?"GET":"POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i=0; i<server.args(); i++){
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message);
digitalWrite(led, 0);
}
void setup(void){
pinMode(led, OUTPUT);
digitalWrite(led, 0);
Serial.begin(115200);
WiFi.begin(ssid, password);
Serial.println("");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
if (MDNS.begin("esp8266")) {
Serial.println("MDNS responder started");
}
server.on("/", handleRoot);
server.on("/inline", [](){
server.send(200, "text/plain", "this works as well");
});
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
}
void loop(void){
server.handleClient();
}
berikut adalah code untuk konek ke thinkspeak.com
#include <ESP8266WiFi.h>
String apiWritekey = "30CVYJA6791ULL7K";
const char* ssid = "kj";
const char* password = "12345678" ;
const char* server = "api.thingspeak.com";
float resolution=3.3/1023;
WiFiClient client;
void setup() {
Serial.begin(115200);
WiFi.disconnect();
delay(10);
WiFi.begin(ssid, password);
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.print("NodeMcu connected to wifi...");
Serial.println(ssid);
Serial.println();
}
void loop() {
float temp = ((analogRead(A0) * resolution) * 100)+23.89;
if (client.connect(server,80)) {
String tsData = apiWritekey;
tsData +="&field1=";
tsData += String(temp);
tsData += "\r\n\r\n";
client.print("POST /update HTTP/1.1\n");
client.print("Host: api.thingspeak.com\n");
client.print("Connection: close\n");
client.print("X-THINGSPEAKAPIKEY: "+apiWritekey+"\n");
client.print("Content-Type: application/x-www-form-urlencoded\n");
client.print("Content-Length: ");
client.print(tsData.length());
client.print("\n\n");
client.print(tsData);
Serial.print("Temperature: ");
Serial.print(temp);
Serial.println("uploaded to Thingspeak server....");
}
client.stop();
Serial.println("Waiting to upload next reading...");
Serial.println();
delay(15000);
}
KOntrol 1 lampu
/*************************************
* Program : Project 1 Kontrol LED
* Input : -
* Output : LED1
* Iot Starter Kit Inkubatek
* www.kf-tronik.blogspot.com
* ***********************************/
#include <ESP8266WiFi.h>
const char* ssid = "kj";
const char* password = "12345678";
int ledPin = D5;
WiFiServer server(80);
void setup() {
Serial.begin(115200);
delay(10);
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW);
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");
server.begin();
Serial.println("Server started");
Serial.print("Use this URL to connect: ");
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");
}
void loop() {
WiFiClient client = server.available();
if (!client) {
return;
}
Serial.println("new client");
while(!client.available()){
delay(1);
}
String request = client.readStringUntil('\r');
Serial.println(request);
client.flush();
int value = LOW;
if (request.indexOf("/LED=ON") != -1) {
digitalWrite(ledPin, HIGH);
value = HIGH;
}
if (request.indexOf("/LED=OFF") != -1) {
digitalWrite(ledPin, LOW);
value = LOW;
}
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println(""); // do not forget this one
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.print("Led pin is now: ");
if(value == HIGH) {
client.print("On");
} else {
client.print("Off");
}
client.println("<br><br>");
client.println("<a href=\"/LED=ON\"\"><button>Turn On </button></a>");
client.println("<a href=\"/LED=OFF\"\"><button>Turn Off </button></a><br />");
client.println("</html>");
delay(1);
Serial.println("Client disonnected");
Serial.println("");
}
