.: January 2022

KENDALI KIPAS ANGIN / FAN MENGGUNAKAN GESTURE TANGAN SENSOR APDS 9960

KENDALI KIPAS ANGIN / FAN MENGGUNAKA GESTURE TANGAN SENSOR APDS 9960

Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara untuk membuat sebuah alat yang bisa mengendalikan kipas angin menggunakan gesture tangan, jadi gesture tangan yang diberikan hanya swap ke kanan dan swap ke kiri untuk mengendalikan on/off kipas angin, sensor yang dipakai yaitu apds9960. untuk lebih jelasnya berikut adalah koding dan komponenya.

a. Arduino Uno

b. Sensor APDS9960

c. Modul Relay

d. Skema

e. Program Arduino IDE

#include <Wire.h>
#include <SparkFun_APDS9960.h>

// Pins
#define APDS9960_INT    2 // Needs to be an interrupt pin

// Constants

// Global Variables
SparkFun_APDS9960 apds = SparkFun_APDS9960();
int isr_flag = 0;

int speedx;

void setup() {

pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);

digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, HIGH);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);

// Set interrupt pin as input
pinMode(APDS9960_INT, INPUT);

// Initialize Serial port
Serial.begin(9600);
Serial.println();
Serial.println(F("--------------------------------"));
Serial.println(F("Y-GESTURE APDS - GestureTest"));
Serial.println(F("--------------------------------"));

// Initialize interrupt service routine
attachInterrupt(0, interruptRoutine, FALLING);

// Initialize APDS-9960 (configure I2C and initial values)
if ( apds.init() ) {
    Serial.println(F("APDS-9960 initialization complete"));
} else {
    Serial.println(F("Something went wrong during APDS-9960 init!"));
}

// Start running the APDS-9960 gesture sensor engine
if ( apds.enableGestureSensor(true) ) {
    Serial.println(F("Gesture sensor is now running"));
} else {
    Serial.println(F("Something went wrong during gesture sensor init!"));
}
}

void loop() {
if( isr_flag == 1 ) {
    detachInterrupt(0);
    handleGesture();
    isr_flag = 0;
    attachInterrupt(0, interruptRoutine, FALLING);
}

if(speedx == 0){
        digitalWrite(3, HIGH);
        digitalWrite(5, HIGH);
        digitalWrite(6, HIGH);
        digitalWrite(7, HIGH);
}

if(speedx == 1){
        digitalWrite(3, HIGH);
        digitalWrite(5, LOW);
        digitalWrite(6, HIGH);
        digitalWrite(7, HIGH);
}

if(speedx == 2){
        digitalWrite(3, HIGH);
        digitalWrite(5, HIGH);
        digitalWrite(6, LOW);
        digitalWrite(7, HIGH);
}

if(speedx == 3){
        digitalWrite(3, HIGH);
        digitalWrite(5, HIGH);
        digitalWrite(6, HIGH);
        digitalWrite(7, LOW);
}

if(speedx > 3){
speedx = 3;
}

if(speedx < 0){
speedx = 0;
}
}

void interruptRoutine() {
isr_flag = 1;
}

void handleGesture() {
    if ( apds.isGestureAvailable() ) {
    switch ( apds.readGesture() ) {
      case DIR_UP:
        Serial.println("ATAS");
        speedx++;
        break;

      case DIR_DOWN:
        Serial.println("BAWAH");
        speedx--;
        break;

      case DIR_LEFT:
        Serial.println("KIRI");
        digitalWrite(4, HIGH);
        digitalWrite(3, HIGH);
        digitalWrite(5, HIGH);
        digitalWrite(6, HIGH);
        digitalWrite(7, HIGH);
        break;

      case DIR_RIGHT:
        Serial.println("KANAN");

        digitalWrite(4, LOW);
        digitalWrite(3, HIGH);
        digitalWrite(5, LOW);
        digitalWrite(6, HIGH);
        digitalWrite(7, HIGH);
        break;

      case DIR_NEAR:
        Serial.println("NEAR");

        break;
      case DIR_FAR:
        Serial.println("FAR");

        break;
      default:
        Serial.println("NONE");
    }
}
}

f. VIDEO HASILNYA

Monitor Suhu Tubuh / Object Non-Contact MLX90614 via BLYNK ESPDUINO32 ESP32 ARDUINO

Monitor Suhu Tubuh / Object Non-Contact MLX90614 via BLYNK ESPDUINO32 ESP32

Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara membuat sebuah alat yang dapat memonitor suhu tubuh maupun suhu object yang berada di depan sensor, sensor yang dipakai pada alat ini yaitu mlx90614 dan monitor dilakukan via aplikasi Blynk. untuk lebih jelasnya berikut adalah skema dan programnya.

a. Skema Alat

b. ESPDUINO-32

c. LCD 16x2 I2C

d. Sensor Suhu Non-contact MLX90614

e. Program Arduino IDE

#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#include <Adafruit_MLX90614.h>

Adafruit_MLX90614 mlx = Adafruit_MLX90614();

float TargetC;
BlynkTimer timer;
int dataadc1;
int dataadc2;

char auth[] = "hgjhgjttdgf778t87fg7hhuhkjbhvgcgcbjbjh";
char ssid[] = "hotspothpku";
char pass[] = "123456789";

void senddata() {
    Blynk.virtualWrite(V4, TargetC);
}

void setup() {
mlx.begin();
pinMode(18,OUTPUT);
pinMode(19,OUTPUT);
pinMode(23,OUTPUT);
pinMode(5,OUTPUT);

Serial.begin(9600);
lcd.begin();
lcd.clear();
lcd.noCursor();
Blynk.begin(auth, ssid, pass);
timer.setInterval(1000L, senddata);
}

void loop() {

   TargetC = mlx.readObjectTempC();

   lcd.setCursor(0,0);
   lcd.print("Suhu= ");
   lcd.print(TargetC);
   lcd.print(" C    ");

delay(200);

Blynk.run();
timer.run();
}

f. VIDEO HASILNYA

Tutorial ESPDUINO-32 (ESP-32) Monitor ADC Connect to Blynk

Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara mengakses pin ADC ESPDUINO-32 dan terkoneksi ke Blynk. jadi pada aplikasi Blynk akan tertampil nilai 2 buah adc yang mana nilai adc tersebut adalah input dari dua buah potensiometer yang dihubungkan ke pin ADC tersebut. untuk lebih jelasnya berikut adalah koding dan daftar komponennya.

a. ESPDUINO-32

b. LCD 16x2 + I2C

c. Potensiometer

d. Program Arduino IDE

#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

BlynkTimer timer;
int dataadc1;
int dataadc2;

char auth[] = "hgfhgytddytgfhgjhku768768fgfwqw1265";
char ssid[] = "hotspothp";
char pass[] = "123456789";

void senddata() {
    Blynk.virtualWrite(V4, dataadc1);
    Blynk.virtualWrite(V5, dataadc2);
}

void setup() {
Serial.begin(9600);
lcd.begin();
lcd.clear();
lcd.noCursor();
Blynk.begin(auth, ssid, pass);
timer.setInterval(1000L, senddata);
}

void loop() {

dataadc1 = analogRead(34);
dataadc2 = analogRead(35);

   lcd.setCursor(0,0);
   lcd.print("ADC1=");
   lcd.print(dataadc1);
   lcd.print("     ");
   lcd.setCursor (0,1);
   lcd.print("ADC2=");
   lcd.print(dataadc2);
   lcd.print("     ");

delay(200);

Blynk.run();
timer.run();
}

e. VIDEO HASILNYA

TUTORIAL UPLOAD CODING / SKETCH ESPDUINO-32 (ESP-32)

Pada kesempatan kali ini saya akan memberikan tutorial mengenai bagaimana cara upload sketch atau koding ke board espduino-32 yang mana board ini berbasis esp-32. yang harus diperhatikan yaitu penambahan kapasitor 4.7 uF agar koding / sketch dapat terupload ke dalam board espduino-32. untuk lebih jelasnya berikut adalah komponen dan programnya.

a. ESPDUINO-32

b. Capasitor 4.7 uF

c. Error yang terjadi jika upload tanpa capasitor (ERROR SOLVED)

d Program Arduino IDE

void setup() {

pinMode(2, OUTPUT);

}

void loop() {

digitalWrite(2, HIGH);

delay(1000);

digitalWrite(2, LOW);

delay(1000);

}

e. VIDEO HASILNYA

Tutorial ESP32-CAM Membuat CCTV dan Connect to Blynk

Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara mengakses ESP32-CAM untuk menjadi CCTV dan bisa terhubung ke aplikasi Blynk secara wireless, untuk melakukan percobaan ini yang dibutuhkan yaitu ESP32-CAM dan modul downloadernya kemudian handphone yang sudah terinstal aplikasi Blynk. untuk lebih jelasnya berikut adalah komponen dan kodingnya.

LINK DOWNLOAD CODE

a. ESP32-CAM + Downloader

b. Program Arduino ESP32-CAM Camera WebServer

#include "esp_camera.h"
#include <WiFi.h>

// Select camera model
//#define CAMERA_MODEL_WROVER_KIT
//#define CAMERA_MODEL_ESP_EYE
//#define CAMERA_MODEL_M5STACK_PSRAM
//#define CAMERA_MODEL_M5STACK_WIDE
#define CAMERA_MODEL_AI_THINKER

#include "camera_pins.h"

const char* ssid = "hotspot hpku";
const char* password = "123456789";

void startCameraServer();

void setup() {
Serial.begin(115200);
Serial.setDebugOutput(true);
Serial.println();

camera_config_t config;
config.ledc_channel = LEDC_CHANNEL_0;
config.ledc_timer = LEDC_TIMER_0;
config.pin_d0 = Y2_GPIO_NUM;
config.pin_d1 = Y3_GPIO_NUM;
config.pin_d2 = Y4_GPIO_NUM;
config.pin_d3 = Y5_GPIO_NUM;
config.pin_d4 = Y6_GPIO_NUM;
config.pin_d5 = Y7_GPIO_NUM;
config.pin_d6 = Y8_GPIO_NUM;
config.pin_d7 = Y9_GPIO_NUM;
config.pin_xclk = XCLK_GPIO_NUM;
config.pin_pclk = PCLK_GPIO_NUM;
config.pin_vsync = VSYNC_GPIO_NUM;
config.pin_href = HREF_GPIO_NUM;
config.pin_sscb_sda = SIOD_GPIO_NUM;
config.pin_sscb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 20000000;
config.pixel_format = PIXFORMAT_JPEG;
//init with high specs to pre-allocate larger buffers
if(psramFound()){
    config.frame_size = FRAMESIZE_UXGA;
    config.jpeg_quality = 10;
    config.fb_count = 2;
} else {
    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
}

#if defined(CAMERA_MODEL_ESP_EYE)
pinMode(13, INPUT_PULLUP);
pinMode(14, INPUT_PULLUP);
#endif

// camera init
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
    Serial.printf("Camera init failed with error 0x%x", err);
    return;
}

sensor_t * s = esp_camera_sensor_get();
//initial sensors are flipped vertically and colors are a bit saturated
if (s->id.PID == OV3660_PID) {
    s->set_vflip(s, 1);//flip it back
    s->set_brightness(s, 1);//up the blightness just a bit
    s->set_saturation(s, -2);//lower the saturation
}
//drop down frame size for higher initial frame rate
s->set_framesize(s, FRAMESIZE_QVGA);

#if defined(CAMERA_MODEL_M5STACK_WIDE)
s->set_vflip(s, 1);
s->set_hmirror(s, 1);
#endif

WiFi.begin(ssid, password);

while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");

startCameraServer();

Serial.print("Camera Ready! Use 'http://");
Serial.print(WiFi.localIP());
Serial.println("' to connect");
}

void loop() {
// put your main code here, to run repeatedly:
delay(10000);
}

c. Program Arduino ESP32-CAM Connect to Blynk

#include "src/OV2640.h"
#include <WiFi.h>
#include <WebServer.h>
#include <WiFiClient.h>

#define CAMERA_MODEL_AI_THINKER

#include "camera_pins.h"

#define SSID1 "hotspot hpku"
#define PWD1 "123456789"

OV2640 cam;

WebServer server(80);

const char HEADER[] = "HTTP/1.1 200 OK\r\n" \
                      "Access-Control-Allow-Origin: *\r\n" \
                      "Content-Type: multipart/x-mixed-replace; boundary=123456789000000000000987654321\r\n";
const char BOUNDARY[] = "\r\n--123456789000000000000987654321\r\n";
const char CTNTTYPE[] = "Content-Type: image/jpeg\r\nContent-Length: ";
const int hdrLen = strlen(HEADER);
const int bdrLen = strlen(BOUNDARY);
const int cntLen = strlen(CTNTTYPE);

void handle_jpg_stream(void)
{
char buf[32];
int s;

WiFiClient client = server.client();

client.write(HEADER, hdrLen);
client.write(BOUNDARY, bdrLen);

while (true)
{
    if (!client.connected()) break;
    cam.run();
    s = cam.getSize();
    client.write(CTNTTYPE, cntLen);
    sprintf( buf, "%d\r\n\r\n", s );
    client.write(buf, strlen(buf));
    client.write((char *)cam.getfb(), s);
    client.write(BOUNDARY, bdrLen);
}
}

const char JHEADER[] = "HTTP/1.1 200 OK\r\n" \
                       "Content-disposition: inline; filename=capture.jpg\r\n" \
                       "Content-type: image/jpeg\r\n\r\n";
const int jhdLen = strlen(JHEADER);

void handle_jpg(void)
{
WiFiClient client = server.client();

cam.run();
if (!client.connected()) return;

client.write(JHEADER, jhdLen);
client.write((char *)cam.getfb(), cam.getSize());
}

void handleNotFound()
{
String message = "Server is running!\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
server.send(200, "text / plain", message);
}

void setup()
{

Serial.begin(115200);
//while (!Serial);            //wait for serial connection.

camera_config_t config;
config.ledc_channel = LEDC_CHANNEL_0;
config.ledc_timer = LEDC_TIMER_0;
config.pin_d0 = Y2_GPIO_NUM;
config.pin_d1 = Y3_GPIO_NUM;
config.pin_d2 = Y4_GPIO_NUM;
config.pin_d3 = Y5_GPIO_NUM;
config.pin_d4 = Y6_GPIO_NUM;
config.pin_d5 = Y7_GPIO_NUM;
config.pin_d6 = Y8_GPIO_NUM;
config.pin_d7 = Y9_GPIO_NUM;
config.pin_xclk = XCLK_GPIO_NUM;
config.pin_pclk = PCLK_GPIO_NUM;
config.pin_vsync = VSYNC_GPIO_NUM;
config.pin_href = HREF_GPIO_NUM;
config.pin_sscb_sda = SIOD_GPIO_NUM;
config.pin_sscb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 20000000;
config.pixel_format = PIXFORMAT_JPEG;

/*
if(psramFound()){
    config.frame_size = FRAMESIZE_UXGA;
    config.jpeg_quality = 10;
    config.fb_count = 2;
} else {
    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
}
*/

// Frame parameters
// config.frame_size = FRAMESIZE_UXGA;
config.frame_size = FRAMESIZE_QVGA; //UXGA,SXGA,XGA,SVGA,VGA,CIF,QVGA,HQVGA,QQVGA
config.jpeg_quality = 12;
config.fb_count = 2;

#if defined(CAMERA_MODEL_ESP_EYE)
pinMode(13, INPUT_PULLUP);
pinMode(14, INPUT_PULLUP);
#endif

cam.init(config);

IPAddress ip;

WiFi.mode(WIFI_STA);
WiFi.begin(SSID1, PWD1);
while (WiFi.status() != WL_CONNECTED)
{
    delay(500);
    Serial.print(F("."));
}
ip = WiFi.localIP();
Serial.println(F("WiFi connected"));
Serial.println("");
Serial.println(ip);
Serial.print("Stream Link: http://");
Serial.print(ip);
Serial.println("/mjpeg/1");
server.on("/mjpeg/1", HTTP_GET, handle_jpg_stream);
server.on("/jpg", HTTP_GET, handle_jpg);
server.onNotFound(handleNotFound);
server.begin();
}

void loop()
{
server.handleClient();
}

d. VIDEO TUTORIALNYA

Link Sumber:

https://www.youtube.com/watch?v=ukWvHX-JTgI

Monitor TDS / NTU / Turbidity dan PH ONLINE Blynk FUZZY LOGIC CONTROL MAMDANI

Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara membuat sebuah alat yang menggunakan metode fuzzy logic mamdani untuk input sensot PH dan turbidity. alat ini menggunakan lcd sebagai interface dan juga bisa dimonitor melalui aplikasi blynk. untuk lebih jelasnya berikut adalah koding dan komponennya.

a. Arduino Mega

b. Nodemcu esp8266

c. Sensor PH

d. Sensor Turbidity

e. Membership Function

f. Fuzzy Rule

g. Defuzzifikasi

h. Program Arduino IDE

#include <Wire.h>

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

float pHValue;

float ntu;

int ntunew;

int adcntu;

int adcPH;

float T;

int h;

int golongan;

int dryValue = 957;

int wetValue = 56;

int friendlyDryValue = 0;

int friendlyWetValue = 100;

int rawValue;

float dingin, hangat, panas;

float sedikit, sedang, banyak;

float lb, sd, ke;

float hasillb, hasilsd, hasilke;

float Coglb, Cogsd, Cogke;

float Cogxlb, Cogxsd, Cogxke;

float Komlb, Komsd, Komke;

float Penlb, Pensd, Penke;

float Totalkom, Totalpen;

float Cog;

float lb1, lb2, lb3;

float sd1, sd2, sd3;

float ke1, ke2, ke3;

void setup()

{

Serial.begin(9600);

lcd.begin();

lcd.clear();

lcd.noCursor();

}

void loop()

{

adcPH = analogRead(A0); //menggunakan pin A0 untuk membaca output sensor pH

pHValue = (adcPH - 1105.6)/ -34.4;

T = pHValue;

adcntu = analogRead(A1);

ntunew = map(adcntu, dryValue, wetValue, friendlyDryValue, friendlyWetValue);

//ntu = (adcntu - 912.5)/-0.279;

h = ntunew;

lcd.setCursor (0,0);

lcd.print ("N=");

lcd.print (h);

lcd.print (" ");

lcd.setCursor (0,1);

lcd.print ("P=");

lcd.print (T,1);

lcd.print (" ");

//======================

// fuzzyfikasi PH

//======================

//dingin = asam , hangat = netral , panas = basa

if(T <= 6){

dingin = 1;

hangat = 0;

panas = 0;

}

else if(T >= 8){

panas = 1;

hangat = 0;

dingin = 0;

}

else if(T == 7){

hangat = 1;

dingin = 0;

panas = 0;

}

else if((T > 6)&&(T < 7)){

hangat = (T - 6)/1;

dingin = 1-(T - 6)/1;

panas = 0;

}

else if((T > 7)&&(T < 8)){

panas = (T - 7)/1;

hangat = 1-(T - 7)/1;

dingin = 0;

}

// Serial.print("panas= ");

// Serial.println(panas);

// Serial.print("hangat= ");

// Serial.println(hangat);

// Serial.print("dingin= ");

// Serial.println(dingin);

//===============================

// fuzzyfikasi TDS/NTU

//===============================

//sedikit = rendah , sedang = sedang , banyak = tinggi

if(h <= 25){

sedikit = 1;

sedang = 0;

banyak = 0;

}

else if(h >= 50){

banyak = 1;

sedang = 0;

sedikit = 0;

}

else if(h == 37){

banyak = 0;

sedang = 1;

sedikit = 0;

}

else if((h > 25)&&(h < 37)){

sedang = (h - 25)/12;

sedikit = 1-(h - 25)/12;

banyak = 0;

}

else if((h > 37)&&(h < 50)){

sedang = (h - 37)/13;

banyak = 1-(h - 37)/13;

sedikit = 0;

}

// Serial.print("Sedikit= ");

// Serial.println(sedikit);

// Serial.print("sedang= ");

// Serial.println(sedang);

// Serial.print("banyak= ");

// Serial.println(banyak);

//==================================

// fuzzy rule

//===================================

// lb = GOL A , sd = GOL B , ke = GOL C

//===============================================================================

if((T <= 6 )&&(h <= 25)){ //1A

if(dingin < sedikit){

lb = dingin;

}

else if(dingin > sedikit){

lb = sedikit;

}

else if(dingin == sedikit){

lb = sedikit;

}

hasillb = lb;

hasilsd = 0;

hasilke = 0;

}

//=========================================================================

else if((T <= 6 )&&(h > 25)&&(h < 37)){ //1AB

if(dingin < sedikit){

lb1 = dingin;

}

else if(dingin > sedikit){

lb1 = sedikit;

}

else if(dingin == sedikit){

lb1 = sedikit;

}

if(dingin < sedang){

lb2 = dingin;

}

else if(dingin > sedang){

lb2 = sedang;

}

else if(dingin == sedang){

lb2 = sedang ;

}

if(lb1 < lb2){

hasillb = lb2;

}

else if(lb1 > lb2){

hasillb = lb1;

}

else if(lb1 == lb2){

hasillb = lb1;

}

hasilsd = 0;

hasilke = 0;

}

//========================================================================

else if((T <= 6 )&&(h > 37)&&(h < 50)){ //1BC

if(dingin < sedang){

lb = dingin;

}

else if(dingin > sedang){

lb = sedang;

}

else if(dingin == sedang){

lb = sedang;

}

if(dingin < banyak){

sd = dingin;

}

else if(dingin > banyak){

sd = banyak;

}

else if(dingin == banyak){

sd = banyak;

}

hasillb = lb;

hasilsd = sd;

hasilke = 0;

}

//=======================================================================

else if((T <= 6 )&&(h >= 50)){ //1C

if(dingin < banyak){

sd = dingin;

}

else if(dingin > banyak){

sd = banyak;

}

else if(dingin == banyak){

sd = banyak;

}

hasillb = 0;

hasilsd = sd;

hasilke = 0;

}

//==========================================================================

else if((T > 6 )&&(T < 7 )&&(h <= 25)){ //12A

if(dingin < sedikit){

lb1 = dingin;

}

else if(dingin > sedikit){

lb1 = sedikit;

}

else if(dingin == sedikit){

lb1 = sedikit;

}

if(hangat > sedikit){

lb2 = sedikit;

}

else if(hangat < sedikit){

lb2 = hangat;

}

else if(hangat == sedikit){

lb2 = hangat;

}

if(lb1 < lb2){

hasillb = lb2;

}

else if(lb1 > lb2){

hasillb = lb1;

}

else if(lb1 == lb2){

hasillb = lb1;

}

hasilsd = 0;

hasilke = 0;

}

//=========================================================================

else if((T > 6 )&&(T < 7 )&&(h > 25)&&(h < 37)){ //12AB

if(dingin < sedikit){

lb1 = dingin;

}

else if(dingin > sedikit){

lb1 = sedikit;

}

else if(dingin == sedikit){

lb1 = sedikit;

}

if(dingin < sedang){

lb2 = dingin;

}

else if(dingin > sedang){

lb2 = sedang;

}

else if(dingin == sedang){

lb2 = sedang;

}

if(hangat < sedikit){

lb3 = dingin;

}

else if(hangat > sedikit){

lb3 = sedikit;

}

else if(hangat == sedikit){

lb3 = sedikit;

}

if(hangat < sedang){

sd = hangat;

}

else if(hangat > sedang){

sd = sedang;

}

else if(hangat == sedang){

sd = sedang;

}

if((lb1 > lb2)&&(lb1 > lb3)){

hasillb = lb1;

}

else if((lb1 > lb2)&&(lb1 == lb3)){

hasillb = lb1;

}

else if((lb1 == lb2)&&(lb1 > lb3)){

hasillb = lb1;

}

else if((lb1 == lb2)&&(lb1 == lb3)){

hasillb = lb1;

}

else if((lb2 > lb1)&&(lb2 > lb3)){

hasillb = lb2;

}

else if((lb2 > lb1)&&(lb2 == lb3)){

hasillb = lb2;

}

else if((lb2 == lb1)&&(lb2 > lb3)){

hasillb = lb2;

}

else if((lb2 == lb1)&&(lb2 == lb3)){

hasillb = lb2;

}

else if((lb3 > lb1)&&(lb3 > lb2)){

hasillb = lb3;

}

else if((lb3 > lb1)&&(lb3 == lb2)){

hasillb = lb3;

}

else if((lb3 == lb1)&&(lb3 > lb2)){

hasillb = lb3;

}

else if((lb3 == lb1)&&(lb3 == lb2)){

hasillb = lb3;

}

hasilsd = sd;

hasilke = 0;

}

//===============================================================================

else if((T > 6)&&(T < 7)&&(h > 37)&&(h < 50)){ //12BC

if (dingin < sedang){

lb = dingin;

}

else if(dingin > sedang){

lb = sedang;

}

else if(dingin == sedang){

lb = sedang;

}

if(dingin < banyak){

sd1 = dingin;

}

else if(dingin > banyak){

sd1 = banyak;

}

else if(dingin == banyak){

sd1 = banyak;

}

if(hangat < sedang){

sd2 = hangat;

}

else if(hangat > sedang){

sd2 = sedang;

}

else if(hangat == sedang){

sd2 = sedang;

}

if(hangat < banyak){

ke = hangat;

}

else if(hangat > banyak){

ke = banyak;

}

else if(hangat == banyak){

ke = banyak;

}

if(sd1 > sd2){

hasilsd = sd1;

}

else if(sd2 > sd1){

hasilsd = sd2;

}

else if(sd2 == sd1){

hasilsd = sd2;

}

hasillb = lb;

hasilke = ke;

}

//=======================================================================

else if((T > 6)&&(T < 7)&&(h >= 50)){ //12C

if(dingin < banyak){

sd = dingin;

}

else if(dingin > banyak){

sd = banyak;

}

else if(dingin == banyak){

sd = banyak;

}

if(hangat > banyak){

ke = banyak;

}

else if(hangat < banyak){

ke = hangat;

}

else if(hangat == banyak){

ke = hangat;

}

hasilsd = sd;

hasilke = ke;

hasillb = 0;

}

//===============================================================

else if ((T == 7) && (h <= 25)){ //2A

if (hangat > sedikit){

lb = sedikit;

}

else if (hangat < sedikit){

lb = hangat;

}

else if (hangat == sedikit){

lb = hangat;

}

hasillb = lb;

hasilsd = 0;

hasilke = 0;

}

//============================================================

else if ((T == 7) && (h > 25) && (h < 37)){ //2AB

if (hangat < sedikit){

lb = hangat;

}

else if (hangat > sedikit){

lb = sedikit;

}

else if (hangat == sedikit){

lb = sedikit;

}

if (hangat < sedang){

sd = hangat;

}

else if (hangat > sedikit){

sd = sedikit;

}

else if (hangat == sedikit){

sd = sedikit;

}

hasillb = lb;

hasilsd = sd;

hasilke = 0;

}

//===================================================================

else if ((T == 7) && (h > 37) && (h < 50)){ //2BC

if (hangat < sedang){

sd = hangat;

}

else if (hangat > sedang){

sd = sedang;

}

else if (hangat == sedang){

sd = sedang;

}

if (hangat < banyak){

ke = hangat;

}

else if (hangat > banyak){

ke = banyak;

}

else if (hangat == banyak){

ke = banyak;

}

hasilsd = sd;

hasilke = ke;

hasillb = 0;

}

//=============================================================

else if ((T == 7) && (h >= 50)){ //2C

if (hangat < banyak){

ke = hangat;

}

else if (hangat > banyak){

ke = banyak;

}

else if (hangat == banyak){

ke = banyak;

}

hasilke = ke;

hasilsd = 0;

hasillb = 0;

}

//====================================================================

else if ((T > 7) && (T < 8) && (h <= 25)){ //23A

if (hangat < sedikit){

lb = hangat;

}

else if (hangat > sedikit){

lb = sedikit;

}

else if (hangat == sedikit){

lb = sedikit;

}

if (panas < sedikit){

sd = panas;

}

else if (panas > sedikit){

sd = sedikit;

}

else if (panas == sedikit){

sd = sedikit;

}

hasillb = lb;

hasilsd = sd;

hasilke = 0;

}

//=======================================================================

else if ((T > 7) && (T < 8) && (h > 25) && (h < 37)){ //23AB

if (hangat < sedikit){

lb = hangat;

}

else if (hangat > sedikit){

lb = sedikit;

}

else if (hangat == sedikit){

lb = sedikit;

}

if (hangat < sedang){

sd1 = hangat;

}

else if (hangat > sedang){

sd1 = sedang;

}

else if (hangat == sedang){

sd1 = sedang;

}

if (panas < sedikit){

sd2 = panas;

}

else if (panas > sedikit){

sd2 = sedikit;

}

else if (panas == sedikit){

sd2 = sedikit;

}

if (panas < sedang){

ke = panas;

}

else if (panas > sedang){

ke = sedang;

}

else if (panas == sedang){

ke = sedang;

}

if (sd1 < sd2){

hasilsd = sd2;

}

else if (sd1 > sd2){

hasilsd = sd1;

}

else if (sd1 == sd2){

hasilsd = sd1;

}

hasilke = ke;

hasillb = lb;

}

//=========================================================================

else if ((T > 7) && (T < 8) && (h > 37) && (h < 50)){ //23BC

if (hangat < sedang){

sd = hangat;

}

else if (hangat > sedang){

sd = sedang;

}

else if (hangat == sedang){

sd = sedang;

}

if (hangat < banyak){

ke1 = hangat;

}

else if (hangat > banyak){

ke1 = banyak;

}

else if (hangat == banyak){

ke1 = banyak;

}

if (panas < sedang){

ke2 = panas;

}

else if (panas > sedang){

ke2 = sedang;

}

else if (panas == sedang){

ke2 = sedang;

}

if (panas < banyak){

ke3 = panas;

}

else if (panas > banyak){

ke3 = banyak;

}

else if (panas == banyak){

ke3 = banyak;

}

if ((ke1 > ke2) && (ke1 > ke3)){

hasilke = ke1;

}

else if ((ke1 > ke2) && (ke1 == ke3)){

hasilke = ke1;

}

else if ((ke1 == ke2) && (ke1 > ke3)){

hasilke = ke1;

}

else if ((ke1 == ke2) && (ke1 == ke3)){

hasilke = ke1;

}

else if ((ke2 > ke1) && (ke2 > ke3)){

hasilke = ke2;

}

else if ((ke2 > ke1) && (ke2 == ke3)){

hasilke = ke2;

}

else if ((ke2 == ke1) && (ke2 > ke3)){

hasilke = ke2;

}

else if ((ke2 == ke1) && (ke2 == ke3)){

hasilke = ke2;

}

else if ((ke3 > ke1) && (ke3 > ke2)){

hasilke = ke3;

}

else if ((ke3 > ke1) && (ke3 == ke2)){

hasilke = ke3;

}

else if ((ke3 == ke1) && (ke3 > ke2)){

hasilke = ke3;

}

else if ((ke3 == ke1) && (ke3 == ke2)){

hasilke = ke3;

}

hasilsd = sd;

hasillb = 0;

}

//===========================================================================

else if ((T > 7) && (T < 8) && (h >= 50)){ //23C

if (hangat < banyak){

ke1 = hangat;

}

else if (hangat > banyak){

ke1 = banyak;

}

else if (hangat == banyak){

ke1 = banyak;

}

if (panas < banyak){

ke2 = panas;

}

else if (panas > banyak){

ke2 = banyak;

}

else if (panas == banyak){

ke2 = banyak;

}

if (ke1 < ke2){

hasilke = ke2;

}

else if (ke1 > ke2){

hasilke = ke1;

}

else if (ke1 == ke2){

hasilke = ke1;

}

hasilsd = 0;

hasillb = 0;

}

//===========================================================================

else if ((T >= 8) && (h <= 25)){ //3A

if (panas < sedikit){

sd = panas;

}

else if (panas > sedikit){

sd = sedikit;

}

else if (panas == sedikit){

sd = sedikit;

}

hasilsd = sd;

hasillb = 0;

hasilke = 0;

}

//============================================================================

else if ((T >= 8) && (h > 25) && (h < 37)){ //3AB

if (panas < sedikit){

sd = panas;

}

else if (panas > sedikit){

sd = sedikit;

}

else if (panas == sedikit){

sd = sedikit;

}

if (panas < sedang){

ke = panas;

}

else if (panas > sedang){

ke = sedang;

}

else if (panas == sedang){

ke = sedang;

}

hasilsd = sd;

hasilke = ke;

hasillb = 0;

}

//======================================================================

else if ((T >= 8) && (h > 37) && (h < 50)){ //3BC

if (panas < sedang){

ke1 = panas;

}

else if (panas > sedang){

ke1 = sedang;

}

else if (panas == sedang){

ke1 = sedang;

}

if (panas < banyak){

ke2 = panas;

}

else if (panas > banyak){

ke2 = banyak;

}

else if (panas == banyak){

ke2 = banyak;

}

if (ke1 < ke2){

hasilke = ke2;

}

else if (ke1 > ke2){

hasilke = ke1;

}

else if (ke1 == ke2){

hasilke = ke1;

}

hasillb = 0;

hasilsd = 0;

}

//=========================================================================

else if ((T >= 8) && (h >= 50)){ //3C

if (panas < banyak){

ke = panas;

}

else if (panas > banyak){

ke = banyak;

}

else if (panas == banyak){

ke = banyak;

}

hasilke = ke;

hasilsd = 0;

hasillb = 0;

}

//======================================================================

else if ((T <= 6) && (h == 37)){ //1B

if (dingin < sedang){

lb = dingin;

}

else if (dingin > sedang){

lb = sedang;

}

else if (dingin == sedang){

lb = sedang;

}

hasillb = lb;

hasilsd = 0;

hasilke = 0;

}

//===================================================================

else if ((T > 6) && (T < 7) && (h == 37)){ //12B

if (dingin < sedang){

lb = dingin;

}

else if (dingin > sedang){

lb = sedang;

}

else if (dingin == sedang){

lb = sedang;

}

if (hangat < sedang){

sd = hangat;

}

else if (hangat > sedang){

sd = sedang;

}

else if (hangat == sedang){

sd = sedang;

}

hasillb = lb;

hasilsd = sd;

hasilke = 0;

}

//==========================================================

else if ((T == 7) && (h == 37)){ //2B

if (hangat < sedang){

sd = hangat;

}

else if (hangat > sedang){

sd = sedang;

}

else if (hangat == sedang){

sd = sedang;

}

hasilsd = sd;

hasillb = 0;

hasilke = 0;

}

//================================================================

else if ((T > 7) && (T < 8) && (h == 37)){ //23B

if (hangat < sedang){

sd = hangat;

}

else if (hangat > sedang){

sd = sedang;

}

else if (hangat == sedang){

sd = sedang;

}

if (panas < sedang){

ke = panas;

}

else if (panas > sedang){

ke = sedang;

}

else if (panas == sedang){

ke = sedang;

}

hasilsd = sd;

hasilke = ke;

hasillb = 0;

}

//================================================================

else if ((T >= 8) && (h == 37)){ //3B

if (panas < sedang){

ke = panas;

}

else if (panas > sedang){

ke = sedang;

}

else if (panas == sedang){

ke = sedang;

}

hasilke = ke;

hasilsd = 0;

hasillb = 0;

}

//==================================================

// Defuzzifikasi

//==================================================

//0-10-20-30

Coglb = 60;

Cogxlb = 4;

//40-50-60-70

Cogsd = 220;

Cogxsd = 4;

//80-90-100-110-120

Cogke = 500;

Cogxke = 5;

//0-10-20-30-40-50

Coglb = 150;

Cogxlb = 6;

//60-70-80-90-100-110-120

Cogsd = 630;

Cogxsd = 7;

//130-140-150-160-170-180-190-200

Cogke = 1320;

Cogxke = 8;

//Komlb = Coglb * hasillb;

//Komsd = Cogsd * hasilsd;

//Komke = Cogke * hasilke;

//Totalkom = Komlb + Komsd;

//Totalkom = Totalkom + Komke;

//Penlb = hasillb * Cogxlb;

//Pensd = hasilsd * Cogxsd;

//Penke = hasilke * Cogxke;

//Totalpen = Penlb + Pensd;

//Totalpen = Totalpen + Penke;

Totalkom = (Coglb * hasillb) + (Cogsd * hasilsd) + (Cogke * hasilke);

Totalpen = (hasillb * Cogxlb) + (hasilsd * Cogxsd) + (hasilke * Cogxke);

Cog = Totalkom / Totalpen;

//Serial.print("Totalkom= ");

//Serial.println(Totalkom);

//Serial.print("Totalpen= ");

//Serial.println(Totalpen);

//Serial.print("COG= ");

//Serial.println(Cog);

lcd.setCursor (9,0);

lcd.print ("C=");

lcd.print (Cog,0);

lcd.print (" ");

if(Cog < 50){

lcd.setCursor (9,1);

lcd.print ("GOL A");

golongan = 1;

}

if((Cog >= 50)&&(Cog < 80)){

lcd.setCursor (9,1);

lcd.print ("GOL B");

golongan = 2;

}

if(Cog >= 80){

lcd.setCursor (9,1);

lcd.print ("GOL C");

golongan = 3;

}

Serial.print("*");

Serial.print(T);

Serial.print(",");

Serial.print(h*100.0);

Serial.print(",");

Serial.print(Cog);

Serial.print(",");

Serial.print(golongan);

Serial.println("#");

delay(200);

}

i. Program Nodemcu

#define BLYNK_PRINT Serial

#include <SPI.h>

#include <ESP8266WiFi.h>

#include <BlynkSimpleEsp8266.h>

#include <SimpleTimer.h>

int T = 0;

float h = 0;

int Cog = 0;

int golongan = 0;

float datain1;

float datain2;

float datain3;

float datain4;

String dataIn;

String dt[10];

int i;

boolean parsing=false;

char auth[] = "jhfghjfhgfhiiyiutuytgghhqewqejhjhjytytdfftfr";

char ssid[] = "hotspothpku";

char pass[] = "123456789";

SimpleTimer timer;

void sendSensor()

{

Blynk.virtualWrite(V5, T);

Blynk.virtualWrite(V6, h);

Blynk.virtualWrite(V7, Cog);

Blynk.virtualWrite(V8, golongan);

delay(1000);

}

void setup()

{

dataIn="";

// Debug console

Serial.begin(9600);

Blynk.begin(auth, ssid, pass);

// You can also specify server:

//Blynk.begin(auth, ssid, pass, "blynk-cloud.com", 8442);

//Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8442);

// Setup a function to be called every second

timer.setInterval(1000L, sendSensor);

}

void loop()

{

while(Serial.available()>0) {

// dataIn="";

char inChar = (char)Serial.read();

dataIn += inChar;

if (inChar == '\n') {

parsing = true;

}

if(parsing){

parsingData();

Blynk.run();

timer.run();

}

void parsingData(){

int j=0;

//kirim data yang telah diterima sebelumnya

//Serial.print("data masuk : ");

//Serial.print(dataIn);

//Serial.print("\n");

//inisialisasi variabel, (reset isi variabel)

dt[j]="";

//proses parsing data

for(i=1;i<dataIn.length();i++){

//pengecekan tiap karakter dengan karakter (#) dan (,)

if ((dataIn[i] == '#') || (dataIn[i] == ','))

{

//increment variabel j, digunakan untuk merubah index array penampung

j++;

dt[j]=""; //inisialisasi variabel array dt[j]

}

else

{

//proses tampung data saat pengecekan karakter selesai.

dt[j] = dt[j] + dataIn[i];

}

datain1 = dt[0].toInt();

datain2 = dt[1].toInt();

datain3 = dt[2].toInt();

datain4 = dt[3].toInt();

T = datain1 / 1;

h = datain2 / 100;

Cog = datain3 / 1;

golongan = datain4 / 1;

//kirim data hasil parsing

Serial.print("data 1 : ");

Serial.print(datain1);

Serial.print("\n");

Serial.print("data 2 : ");

Serial.print(datain2);

Serial.print("\n");

Serial.print("data 3 : ");

Serial.print(datain3);

Serial.print("\n");

Serial.print("data 4 : ");

Serial.print(datain4);

Serial.print("\n");

}

j. VIDEO HASILNYA

Monitor Daya Tegangan Arus DC dan RPM

Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara membuat sebuah alat yang dapat memonitor daya (tegangan dan arus) DC dengan menggunakan arduino. alat ini sangat sederhana yaitu hanya monitor tegangan arus dan rpm lalu menampilkannya ke lcd. untuk lebih jelasnya berikut adalah koding dan komponennya.

a. Arduno Uno

b. Sensor Tegangan DC

c. Sensor Arus Acs712

d. Sensor RPM

e. Program Arduino IDE

#include <Wire.h>

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);

volatile byte half_revolutions;

unsigned int rpm;

unsigned long timeold;

int adcteg;

float tegangan;

int adcarus;

float v;

float arus;

boolean state=false;

char c;

float daya;

int teganganx;

int arusx;

int rpmx;

void setup(){

Serial.begin(9600);

attachInterrupt(0, rpm_fun, RISING);

half_revolutions = 0;

rpm = 0;

timeold = 0;

lcd.begin();

lcd.clear();

lcd.noCursor();

}

void loop() {

adcteg = analogRead(A0);

tegangan = adcteg * (5.0 / 1023.0) * 4.8;

adcarus = analogRead(A1);

v = adcarus * (4.8 / 1023.0);

arus = (v - 2.4)/0.1;

daya = tegangan * arus;

detachInterrupt(0);

rpm = 30*1000/(millis() - timeold)*half_revolutions;

timeold = millis();

half_revolutions = 0;

attachInterrupt(0, rpm_fun, RISING);

lcd.setCursor(0,0);

lcd.print("V=");

lcd.print(tegangan);

lcd.print(" ");

lcd.setCursor(9,0);

lcd.print("R=");

lcd.print(rpm,DEC);

lcd.print(" ");

lcd.setCursor(0,1);

lcd.print("I=");

lcd.print(arus);

lcd.print(" ");

lcd.setCursor(9,1);

lcd.print("P=");

lcd.print(daya,1);

lcd.print(" ");

teganganx = tegangan * 100;

arusx = arus * 100;

rpmx = rpm * 1;

delay(1000);

}

void rpm_fun()

{

half_revolutions++;

}

f. VIDEO HASILNYA

.

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