สอบถามผู้รู้หน่อยคะ ทำไม ESP8266 ไม่เชื่อมกับ Wifi และไม่สามารถเชื่อม Blynk ได้ ขอบคุณค่ะ
#include <Blynk.h>
/*
-PZEM004T-
5V - 5V
GND - GND
D3 - TX(PZEM1)
D4 - RX(PZEM1)
D5 - TX(PZEM2)
D6 - RX(PZEM2)
D7 - TX(PZEM3)
D0 - RX(PZEM3)
*/
#include <ESP8266WiFi.h>
#include <PZEM004Tv30.h>
#include <Wire.h> // Include Wire if you're using I2C
#include <SFE_MicroOLED.h> // Include the SFE_MicroOLED library
#include <BlynkSimpleEsp8266.h>ั
// Fill-in information from your Blynk Template here
#define BLYNK_TEMPLATE_ID "TMPLqHeP1L8Y"
#define BLYNK_DEVICE_NAME "POWER ENRGY CTW";
#define BLYNK_AUTH_TOKEN "vcfB345ajWxp40X6i5sbV9fput58tSIR"
#define BLYNK_FIRMWARE_VERSION "0.1.0"
#define BLYNK_PRINT Serial
//#define BLYNK_DEBUG
#define PIN_RESET -1
#define DC_JUMPER 0
#define BLYNK_PRINT Serial
MicroOLED oled(PIN_RESET, DC_JUMPER);
PZEM004Tv30 pzem1(D3, D4); //rx,tx pin for phase1
PZEM004Tv30 pzem2(D5, D6); //rx,tx pin for phase2
PZEM004Tv30 pzem3(D7, D0); //rx,tx pin for phase3
unsigned long previousMillis = 0;
float voltage1, current1, power1, energy1, frequency1, pf1;
float voltage2, current2, power2, energy2, frequency2, pf2;
float voltage3, current3, power3, energy3, frequency3, pf3;
char ssid[] = "MLP-5G";
char pass[] = "P88888888";
uint8_t logo_bmp[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xC0, 0xF0, 0xE0, 0x78, 0x38, 0x78, 0x3C, 0x1C, 0x3C, 0x1C, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1C, 0x3C, 0x1C, 0x3C, 0x78, 0x38, 0xF0, 0xE0, 0xF0, 0xC0, 0xC0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x01, 0x00, 0x00, 0xF0, 0xF8, 0x70, 0x3C, 0x3C, 0x1C, 0x1E, 0x1E, 0x0E, 0x0E, 0x0E, 0x0F, 0x0F, 0x0E, 0x0E, 0x1E, 0x1E, 0x1E, 0x3C, 0x1C, 0x7C, 0x70, 0xF0, 0x70, 0x20, 0x01, 0x01, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x1C, 0x3E, 0x1E, 0x0F, 0x0F, 0x07, 0x87, 0x87, 0x07, 0x0F, 0x0F, 0x1E, 0x3E, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x1F, 0x1F, 0x3F, 0x3F, 0x1F, 0x1F, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
//for reset energy
BLYNK_WRITE(V7)
{
int pinValue = param.asInt();
if (pinValue == HIGH) {
Serial.println("Reset energy");
pzem1.resetEnergy();
}
}
BLYNK_WRITE(V14)
{
int pinValue = param.asInt();
if (pinValue == HIGH) {
Serial.println("Reset energy");
pzem2.resetEnergy();
}
}
BLYNK_WRITE(V21)
{
int pinValue = param.asInt();
if (pinValue == HIGH) {
Serial.println("Reset energy");
pzem3.resetEnergy();
}
}
void setup() {
Serial.begin(115200);
Wire.begin();
//------Display LOGO at start------
oled.begin();
oled.clear(PAGE);
oled.clear(ALL);
oled.drawBitmap(logo_bmp);//call the drawBitmap function and pass it the array from above
oled.setFontType(0);
oled.setCursor(0, 36);
oled.print(" IoTbundle");
oled.display();
// pzem.resetEnergy(); //reset energy
}
void loop() {
Blynk.run();
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= 1000) { //run every 1 second
previousMillis = currentMillis;
displayValue(); //update OLED
//------sent data to blynk------
//phase1 (V7 for reset energy)
if (!isnan(voltage1)) {
Blynk.virtualWrite(V1, voltage1);
Blynk.virtualWrite(V2, current1);
Blynk.virtualWrite(V3, power1);
Blynk.virtualWrite(V4, energy1);
Blynk.virtualWrite(V5, frequency1);
Blynk.virtualWrite(V6, pf1);
}
//phase2 (V14 for reset energy)
if (!isnan(voltage2)) {
Blynk.virtualWrite(V8, voltage2);
Blynk.virtualWrite(V9, current2);
Blynk.virtualWrite(V10, power2);
Blynk.virtualWrite(V11, energy2);
Blynk.virtualWrite(V12, frequency2);
Blynk.virtualWrite(V13, pf2);
}
//phase3 (V21 for reset energy)
if (!isnan(voltage3)) {
Blynk.virtualWrite(V15, voltage3);
Blynk.virtualWrite(V16, current3);
Blynk.virtualWrite(V17, power3);
Blynk.virtualWrite(V18, energy3);
Blynk.virtualWrite(V19, frequency3);
Blynk.virtualWrite(V20, pf3);
Blynk.virtualWrite(V22, energy1+energy2+energy3);
}
}
}
void displayValue() {
//------read data------
//phase1
voltage1 = pzem1.voltage();
current1 = pzem1.current();
power1 = pzem1.power();
energy1 = pzem1.energy();
frequency1 = pzem1.frequency();
pf1 = pzem1.pf();
//phase2
voltage2 = pzem2.voltage();
current2 = pzem2.current();
power2 = pzem2.power();
energy2 = pzem2.energy();
frequency2 = pzem2.frequency();
pf2 = pzem2.pf();
//phase3
voltage3 = pzem3.voltage();
current3 = pzem3.current();
power3 = pzem3.power();
energy3 = pzem3.energy();
frequency3 = pzem3.frequency();
pf3 = pzem3.pf();
//------Update OLED display------
oled.clear(PAGE);
oled.setFontType(0);
//display power
//phase1
if (power1 < 10) oled.setCursor(26, 0);
else if (power1 < 100) oled.setCursor(20, 0);
else if (power1 < 1000) oled.setCursor(14, 0);
else if (power1 < 10000) oled.setCursor(8, 0);
else oled.setCursor(2, 0);
oled.print(power1, 0); oled.setCursor(46, 0); oled.println("W");
//phase1
if (power2 < 10) oled.setCursor(26, 16);
else if (power2 < 100) oled.setCursor(20, 16);
else if (power2 < 1000) oled.setCursor(14, 16);
else if (power2 < 10000) oled.setCursor(8, 16);
else oled.setCursor(2, 16);
oled.print(power2, 0); oled.setCursor(46, 16); oled.println("W");
//phase1
if (power3 < 10) oled.setCursor(26, 32);
else if (power3 < 100) oled.setCursor(20, 32);
else if (power3 < 1000) oled.setCursor(14, 32);
else if (power3 < 10000) oled.setCursor(8, 32);
else oled.setCursor(2, 32);
oled.print(power3, 0); oled.setCursor(46, 32); oled.println("W");
//on error
if (isnan(voltage1) && isnan(voltage2) && isnan(voltage3)) {
oled.clear(PAGE);
oled.setCursor(0, 0);
oled.printf("Please\n\nConnect\n\nPZEM004T");
}
oled.display();
//------Serial display------
//phase1
Serial.print("Voltage: "); Serial.print(voltage1); Serial.println("V");
Serial.print("Current: "); Serial.print(current1); Serial.println("A");
Serial.print("Power: "); Serial.print(power1); Serial.println("W");
Serial.print("Energy: "); Serial.print(energy1, 3); Serial.println("kWh");
Serial.print("Frequency: "); Serial.print(frequency1, 1); Serial.println("Hz");
Serial.print("PF: "); Serial.println(pf1); Serial.println("");
//phase2
Serial.print("Voltage: "); Serial.print(voltage2); Serial.println("V");
Serial.print("Current: "); Serial.print(current2); Serial.println("A");
Serial.print("Power: "); Serial.print(power2); Serial.println("W");
Serial.print("Energy: "); Serial.print(energy2, 3); Serial.println("kWh");
Serial.print("Frequency: "); Serial.print(frequency2, 1); Serial.println("Hz");
Serial.print("PF: "); Serial.println(pf2); Serial.println("");
//phase3
Serial.print("Voltage: "); Serial.print(voltage3); Serial.println("V");
Serial.print("Current: "); Serial.print(current3); Serial.println("A");
Serial.print("Power: "); Serial.print(power3); Serial.println("W");
Serial.print("Energy: "); Serial.print(energy3, 3); Serial.println("kWh");
Serial.print("Frequency: "); Serial.print(frequency3, 1); Serial.println("Hz");
Serial.print("PF: "); Serial.println(pf3); Serial.println("");
float kwsum = energy1+energy2+energy3;
Serial.println (kwsum);
}
