// Initialize the INA219.
// By default the initialization will use the largest range (32V, 2A). However
// you can call a setCalibration function to change this range (see comments).
if (! ina219.begin()) {
Serial.println("Failed to find INA219 chip");
while (1) {
delay(10);
}
}
// To use a slightly lower 32V, 1A range (higher precision on amps):
//ina219.setCalibration_32V_1A();
// Or to use a lower 16V, 400mA range (higher precision on volts and amps):
//ina219.setCalibration_16V_400mA();
Serial.println("IoT Energy Meter with INA219 ...");
}
mcspr
commented
1 year ago
How do i fix this problem?
Platform
Settings in IDE
The Code // Fill-in information from your Blynk Template here
define BLYNK_TEMPLATE_ID "***"
define BLYNK_DEVICE_NAME "Energy Monitor"
define BLYNK_WIFI_SSID "***"
define BLYNK_WIFI_PASS "****"
define BLYNK_AUTH_TOKEN "**"
define BLYNK_FIRMWARE_VERSION "0.1.0"
define BLYNK_PRINT Serial
//#define BLYNK_DEBUG
define APP_DEBUG
char auth[] = BLYNK_AUTH_TOKEN; char ssid[] = ""; char pass[] = ""; // Uncomment your board, or configure a custom board in Settings.h //#define USE_SPARKFUN_BLYNK_BOARD
define USE_NODE_MCU_BOARD
//#define USE_WITTY_CLOUD_BOARD //#define USE_WEMOS_D1_MINI
include
include "BlynkEdgent.h"
include
include
include
include
include
/****/
define SCREEN_WIDTH 128 // OLED display width, in pixels
define SCREEN_HEIGHT 64 // OLED display height, in pixels
define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); Adafruit_INA219 ina219;
unsigned long previousMillis = 0; unsigned long interval = 2000; float shuntvoltage = 0.00; float busvoltage = 0.00; float current = 0.00; float loadvoltage = 0.00; float energy = 0.00, energyCost, energyPrevious, energyDifference; float energyPrice = 6.50 ; float power = 0.00; float capacity = 0.00;
void setup() { Serial.begin(115200); while (!Serial) { // will pause Zero, Leonardo, etc until serial console opens delay(1); }
uint32_t currentFrequency;
Serial.begin(115200); // initialize OLED display display.begin(SSD1306_SWITCHCAPVCC, 0x3C); display.clearDisplay(); display.setTextColor(WHITE); display.setTextSize(1); display.setCursor(10, 30); display.print("IoT Energy Meter"); display.display(); //Start Blynk 2.0 BlynkEdgent.begin();
// Initialize the INA219. // By default the initialization will use the largest range (32V, 2A). However // you can call a setCalibration function to change this range (see comments). if (! ina219.begin()) { Serial.println("Failed to find INA219 chip"); while (1) { delay(10); } } // To use a slightly lower 32V, 1A range (higher precision on amps): //ina219.setCalibration_32V_1A(); // Or to use a lower 16V, 400mA range (higher precision on volts and amps): //ina219.setCalibration_16V_400mA();
Serial.println("IoT Energy Meter with INA219 ..."); }
void loop() { BlynkEdgent.run(); unsigned long currentMillis = millis(); if (currentMillis - previousMillis >= interval) { previousMillis = currentMillis; ina219values(); displaydata(); } }
void ina219values() {
shuntvoltage = ina219.getShuntVoltage_mV(); busvoltage = ina219.getBusVoltage_V(); current = ina219.getCurrent_mA(); loadvoltage = busvoltage + (shuntvoltage / 1000); power = loadvoltage current; energy = energy + power / 3600; //Wh capacity = capacity + current / 1000; energyDifference = energy - energyPrevious; energyPrevious = energy; energyCost = energyCost + (energyPrice / 1000 energyDifference); // Send data to blynk Blynk.virtualWrite(V7, current); Blynk.virtualWrite(V5, String("Rs.") + String(energyPrice) );
// nothing connected? set all to 0, otherwise they float around 0.
if (loadvoltage < 1 )loadvoltage = 0; if (current < 1 ) { current = 0; power = 0; energy = 0; capacity = 0; energyCost=0; }
Serial.print("Bus Voltage: "); Serial.print(busvoltage); Serial.println(" V"); Serial.print("Shunt Voltage: "); Serial.print(shuntvoltage); Serial.println(" mV"); Serial.print("Load Voltage: "); Serial.print(loadvoltage); Serial.println(" V"); Serial.print("Current: "); Serial.print(current); Serial.println(" mA"); Serial.print("Power: "); Serial.print(power); Serial.println(" mW"); Serial.print("Energy: "); Serial.print(energy); Serial.println(" Wh"); Serial.print("Capacity: "); Serial.print(capacity); Serial.println(" Ah"); Serial.print("Energy Cost: "); Serial.print("Rs. "); Serial.println(energyCost); Serial.println("-------------------------"); } void displaydata() { display.clearDisplay(); display.setTextColor(WHITE); display.setTextSize(1); // VOLTAGE Blynk.virtualWrite(V0, String(loadvoltage, 2) + String(" V") ); display.setCursor(0, 5); display.print(loadvoltage, 2); display.print(" V"); // CURRENT if (current > 1000) { Blynk.virtualWrite(V1, String((current / 1000), 2) + String(" A") ); display.setCursor(60, 5); display.print((current / 1000), 2); display.println(" A"); display.setCursor(0, 15); display.println("--------------------"); } else { Blynk.virtualWrite(V1, String(current, 2) + String(" mA")); display.setCursor(60, 5); display.print(current, 1); display.println(" mA"); display.setCursor(0, 15); display.println("--------------------"); }
display.setCursor(60, 20); display.print("|"); display.setCursor(60, 24); display.print("|"); display.setCursor(60, 28); display.print("|"); display.setCursor(60, 32); display.print("|"); display.setCursor(60, 36); display.print("|"); display.setCursor(60, 40); display.print("|"); display.setCursor(0, 46); display.print("--------------------");
// POWER if (power > 1000) { Blynk.virtualWrite(V2, String((power / 1000), 2) + String(" W") ); display.setCursor(0, 24); display.print(String((power / 1000), 2)); display.println(" W"); } else { Blynk.virtualWrite(V2, String(power, 2) + String(" mW") ); display.setCursor(0, 24); display.print(power, 2); display.println(" mW"); }
//Energy Comsumption if (energy > 1000) { Blynk.virtualWrite(V3, String((energy / 1000), 2) + String(" kWh")); display.setCursor(0, 36); display.print((energy / 1000), 2); display.println(" kWh"); } else { Blynk.virtualWrite(V3, String(energy, 2) + String(" Wh")); display.setCursor(0, 36); display.print(energy, 2); display.println(" Wh"); }
// CAPACITY if (capacity > 1000) { Blynk.virtualWrite(V4, String((capacity / 1000), 2) + String(" Ah") ); display.setCursor(65, 24); display.println("Capacity:"); display.setCursor(65, 36); display.print((capacity / 1000), 2); display.println(" Ah");
} else { Blynk.virtualWrite(V4, String((capacity), 2) + String(" mAh") ); display.setCursor(65, 24); display.println("Capacity:"); display.setCursor(65, 36); display.print(capacity, 2); display.println(" Ah");
}
// ENERGY COST Blynk.virtualWrite(V6, String("Rs.") + String(energyCost, 5) ); display.setCursor(10, 54); display.print("E Cost:Rs "); display.println(energyCost, 5); display.display(); }
Output Messages
In file included from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\Project_Energy_Monitor.ino:26: c:\Users\asus\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266.h:29:7: error: template argument required for 'class BlynkWifi' 29 | class BlynkWifi | ^ _blynkTransport'
193 | static BlynkArduinoClientSecure _blynkTransport(_blynkWifiClient);
| ^ > Blynk'
194 | BlynkWifi<BlynkArduinoClientSecure > Blynk(_blynkTransport);
| ^~~~~
~~~~ c:\Users\asus\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266.h:100:21: error: conflicting declaration 'WiFiClient _blynkWifiClient' 100 | static WiFiClient _blynkWifiClient; | ^~~~In file included from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\BlynkEdgent.h:10, from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\Project_Energy_Monitor.ino:24: c:\Users\asus\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266_SSL.h:192:27: note: previous declaration as 'BearSSL::WiFiClientSecure _blynkWifiClient' 192 | static WiFiClientSecure _blynkWifiClient; | ^~~~In file included from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\Project_Energy_Monitor.ino:26: c:\Users\asus\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266.h:101:29: error: conflicting declaration 'BlynkArduinoClient _blynkTransport' 101 | static BlynkArduinoClient _blynkTransport(_blynkWifiClient); | ^~~~~~~ In file included from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\BlynkEdgent.h:10, from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\Project_Energy_Monitor.ino:24: c:\Users\asus\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266_SSL.h:193:53: note: previous declaration as 'BlynkArduinoClientSecure~~~~~~ In file included from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\Project_Energy_Monitor.ino:26: c:\Users\asus\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266.h:102:13: error: conflicting declaration 'BlynkWifi<...auto...> Blynk' 102 | BlynkWifi Blynk(_blynkTransport); | ^~~~~ In file included from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\BlynkEdgent.h:10, from C:\Users\asus\Documents\Arduino\Project_Energy_Monitor\Project_Energy_Monitor.ino:24: c:\Users\asus\Documents\Arduino\libraries\Blynk\src/BlynkSimpleEsp8266_SSL.h:194:58: note: previous declaration as 'BlynkWifi<BlynkArduinoClientSecureexit status 1
Compilation error: exit status 1