How To Program An Esp32-Cam Module By Using An Arduino Nano
COMPONENT'S FOR THIS PROJECT'S
· ARDUINO NANO
· ARDUINO NANO SERIAL USB CABEL
· Esp32-Cam Module
· BREAD-BOARD
· JUMPER WIRES
· ARDUINO IDE
https://www.arduino.cc/en/software
CIRCUIT DIAGRAM
Arduino IDE Preferences Tab Link For Installing The Esp32 Board
copy the given link and paste it into your IDE preferences tab
YOUTUBE VIDEO LINK
Arduino Based Smart Weather Station
COMPONENT'S FOR THIS PROJECT'S
· NODE-MCU (ESP-8266)
· SERIAL USB CABEL
· TEMPERATURE SENSOR (DHT-11)
· OLED DISPLAY
· BREAD-BOARD
· JUMPER WIRES
· BATTERY (optional) you can also use by usb cabel power supply
· ARDUINO IDE
https://www.arduino.cc/en/software
CIRCUIT DIAGRAM
ARDUINO CODE'S
#include <Arduino.h>
#include <ESPWiFi.h>
#include <ESPHTTPClient.h>
#include <JsonListener.h>
#include <time.h> // time() ctime()
#include <sys/time.h> // struct timeval
#include <coredecls.h> // settimeofday_cb()
#include "SSD1306Wire.h"
#include "OLEDDisplayUi.h"
#include "Wire.h"
#include "OpenWeatherMapCurrent.h"
#include "OpenWeatherMapForecast.h"
#include "WeatherStationFonts.h"
#include "WeatherStationImages.h"
#include "DHT.h"
const char* WIFI_SSID = "Gaurav Sharma";
const char* WIFI_PWD = "access@denied";
#define TZ 5 // (utc+) TZ in hours
#define DST_MN 30 // use 60mn for summer time in some countries
// Setup
const int UPDATE_INTERVAL_SECS = 10 * 60; // Update every 30 minutes
// Display Settings
const int I2C_DISPLAY_ADDRESS = 0x3C;
#if defined(ESP8266)
const int SDA_PIN = D2;
const int SDC_PIN = D1;
#else
const int SDA_PIN = 19; //D3;
const int SDC_PIN = 20; //D4;
#endif
String OPEN_WEATHER_MAP_APP_ID = "471a17ddf68029674538e9e1663f7262";
String OPEN_WEATHER_MAP_LOCATION_ID = "1271942";
String OPEN_WEATHER_MAP_LANGUAGE = "en";
const uint8_t MAX_FORECASTS = 4;
const boolean IS_METRIC = true;
// Adjust according to your language
const String WDAY_NAMES[] = {"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"};
const String MONTH_NAMES[] = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"};
/***************************
* End Settings
**************************/
SSD1306Wire display(I2C_DISPLAY_ADDRESS, SDA_PIN, SDC_PIN);
OLEDDisplayUi ui( &display );
OpenWeatherMapCurrentData currentWeather;
OpenWeatherMapCurrent currentWeatherClient;
OpenWeatherMapForecastData forecasts[MAX_FORECASTS];
OpenWeatherMapForecast forecastClient;
#define TZ_MN ((TZ)*60)
#define TZ_SEC ((TZ)*3600)
#define DST_SEC ((DST_MN)*60)
time_t now;
// flag changed in the ticker function every 10 minutes
bool readyForWeatherUpdate = false;
String lastUpdate = "--";
long timeSinceLastWUpdate = 0;
//declaring prototypes
void drawProgress(OLEDDisplay *display, int percentage, String label);
void updateData(OLEDDisplay *display);
void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawTemp(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawHum(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex);
void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state);
void setReadyForWeatherUpdate();
FrameCallback frames[] = { drawDateTime, drawCurrentWeather, drawForecast, drawTemp, drawHum };
int numberOfFrames = 5;
OverlayCallback overlays[] = { drawHeaderOverlay };
int numberOfOverlays = 1;
DHT dht = DHT(D3, DHT11, 6);
void setup() {
Serial.begin(115200);
Serial.println();
Serial.println();
// initialize dispaly
display.init();
display.clear();
display.display();
display.setFont(ArialMT_Plain_10);
display.setTextAlignment(TEXT_ALIGN_CENTER);
display.setContrast(255);
dht.begin();
WiFi.begin(WIFI_SSID, WIFI_PWD);
int counter = 0;
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
display.clear();
display.drawString(64, 10, "Connecting to WiFi");
display.drawXbm(46, 30, 8, 8, counter % 3 == 0 ? activeSymbole : inactiveSymbole);
display.drawXbm(60, 30, 8, 8, counter % 3 == 1 ? activeSymbole : inactiveSymbole);
display.drawXbm(74, 30, 8, 8, counter % 3 == 2 ? activeSymbole : inactiveSymbole);
display.display();
counter++;
}
// Get time from network time service
configTime(TZ_SEC, DST_SEC, "pool.ntp.org");
ui.setTargetFPS(30);
ui.setActiveSymbol(activeSymbole);
ui.setInactiveSymbol(inactiveSymbole);
// You can change this to
// TOP, LEFT, BOTTOM, RIGHT
ui.setIndicatorPosition(BOTTOM);
// Defines where the first frame is located in the bar.
ui.setIndicatorDirection(LEFT_RIGHT);
// You can change the transition that is used
// SLIDE_LEFT, SLIDE_RIGHT, SLIDE_TOP, SLIDE_DOWN
ui.setFrameAnimation(SLIDE_LEFT);
ui.setFrames(frames, numberOfFrames);
ui.setOverlays(overlays, numberOfOverlays);
// Inital UI takes care of initalising the display too.
ui.init();
Serial.println("");
updateData(&display);
display.clear();
display.drawXbm(26,0,logo1_width,logo1_height,logo1_bits);
display.display();
delay(3000);
display.clear();
display.setTextAlignment(TEXT_ALIGN_LEFT);
display.setFont(ArialMT_Plain_10);
display.drawString(0,0,"LOADING");
display.display();
delay(2000);
display.drawString(0,10,"TIME AND DATE");
display.display();
delay(2000);
display.drawString(0,20,"TEMPERATURE");
display.display();
delay(2000);
display.drawString(0,30,"HUMIDITY");
display.display();
delay(2000);
display.drawString(0,40,"FORECAST");
display.display();
delay(2000);
display.drawString(0,50,"INITIALIZING GUI");
display.display();
delay(2000);
}
void loop() {
if (millis() - timeSinceLastWUpdate > (1000L*UPDATE_INTERVAL_SECS)) {
setReadyForWeatherUpdate();
timeSinceLastWUpdate = millis();
}
if (readyForWeatherUpdate && ui.getUiState()->frameState == FIXED) {
updateData(&display);
}
int remainingTimeBudget = ui.update();
if (remainingTimeBudget > 0) {
// You can do some work here
// Don't do stuff if you are below your
// time budget.
delay(remainingTimeBudget);
}
}
void drawProgress(OLEDDisplay *display, int percentage, String label) {
display->clear();
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(64, 10, label);
display->drawProgressBar(2, 28, 124, 10, percentage);
display->display();
}
void updateData(OLEDDisplay *display) {
drawProgress(display, 10, "Updating time...");
drawProgress(display, 30, "Updating weather...");
currentWeatherClient.setMetric(IS_METRIC);
currentWeatherClient.setLanguage(OPEN_WEATHER_MAP_LANGUAGE);
currentWeatherClient.updateCurrentById(¤tWeather, OPEN_WEATHER_MAP_APP_ID, OPEN_WEATHER_MAP_LOCATION_ID);
drawProgress(display, 50, "Updating forecasts...");
forecastClient.setMetric(IS_METRIC);
forecastClient.setLanguage(OPEN_WEATHER_MAP_LANGUAGE);
uint8_t allowedHours[] = {12};
forecastClient.setAllowedHours(allowedHours, sizeof(allowedHours));
forecastClient.updateForecastsById(forecasts, OPEN_WEATHER_MAP_APP_ID, OPEN_WEATHER_MAP_LOCATION_ID, MAX_FORECASTS);
readyForWeatherUpdate = false;
drawProgress(display, 100, "Done...");
delay(1000);
}
void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
now = time(nullptr);
struct tm* timeInfo;
timeInfo = localtime(&now);
char buff[16];
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
String date = WDAY_NAMES[timeInfo->tm_wday];
sprintf_P(buff, PSTR("%s, %02d/%02d/%04d"), WDAY_NAMES[timeInfo->tm_wday].c_str(), timeInfo->tm_mday, timeInfo->tm_mon+1, timeInfo->tm_year + 1900);
display->drawString(64 + x, 5 + y, String(buff));
display->setFont(ArialMT_Plain_24);
sprintf_P(buff, PSTR("%02d:%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min, timeInfo->tm_sec);
display->drawString(64 + x, 15 + y, String(buff));
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawTemp(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
float temperature = dht.readTemperature();
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(64 + x, 5 + y, "Room Temperature");
display->setFont(ArialMT_Plain_24);
display->drawString(64 + x, 15 + y, String(temperature,1)+("°C"));
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawHum(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
int humidity = dht.readHumidity();
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(64 + x, 5 + y, "Humidity");
display->setFont(ArialMT_Plain_24);
display->drawString(64 + x, 15 + y, String(humidity)+(" %"));
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
display->setFont(ArialMT_Plain_10);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->drawString(64 + x, 38 + y, currentWeather.description);
display->setFont(ArialMT_Plain_24);
display->setTextAlignment(TEXT_ALIGN_LEFT);
String temp = String(currentWeather.temp, 1) + (IS_METRIC ? "°C" : "°F");
display->drawString(51 + x, 5 + y, temp);
display->setFont(Meteocons_Plain_36);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->drawString(23 + x, 0 + y, currentWeather.iconMeteoCon);
}
void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
drawForecastDetails(display, x, y, 0);
drawForecastDetails(display, x + 44, y, 1);
drawForecastDetails(display, x + 88, y, 2);
}
void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex) {
time_t observationTimestamp = forecasts[dayIndex].observationTime;
struct tm* timeInfo;
timeInfo = localtime(&observationTimestamp);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(x + 20, y, WDAY_NAMES[timeInfo->tm_wday]);
display->setFont(Meteocons_Plain_21);
display->drawString(x + 20, y + 12, forecasts[dayIndex].iconMeteoCon);
String temp = String(forecasts[dayIndex].temp, 0) + (IS_METRIC ? "°C" : "°F");
display->setFont(ArialMT_Plain_10);
display->drawString(x + 20, y + 34, temp);
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state) {
now = time(nullptr);
struct tm* timeInfo;
timeInfo = localtime(&now);
char buff[14];
sprintf_P(buff, PSTR("%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min);
display->setColor(WHITE);
display->setFont(ArialMT_Plain_10);
display->setTextAlignment(TEXT_ALIGN_LEFT);
display->drawString(0, 54, String(buff));
display->setTextAlignment(TEXT_ALIGN_RIGHT);
String temp = String(currentWeather.temp, 1) + (IS_METRIC ? "°C" : "°F");
display->drawString(128, 54, temp);
display->drawHorizontalLine(0, 52, 128);
}
void setReadyForWeatherUpdate() {
Serial.println("Setting readyForUpdate to true");
readyForWeatherUpdate = true;
}
YOUTUBE VIDEO LINK
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