AWS secrets

backend/.env

@@ -1 +1,3 @@
-export AWS_REGION=us-east-2
+export AWS_REGION='us-east-2'
+export AWS_ACCESS_KEY_ID='DUMMYIDEXAMPLE'
+export AWS_SECRET_ACCESS_KEY='DUMMYEXAMPLEKEY'

backend/app.py

@@ -2,25 +2,32 @@
 import boto3
 
 app = Flask(__name__)
+app.debug = True
 
-session = boto3.Session(
-    region_name='us-west-2'
-)
+session = boto3.Session(region_name="us-west-2")
 
-dynamodb = session.resource('dynamodb', endpoint_url='http://dynamodb:8000')
-table = dynamodb.Table('BME280Data')
+dynamodb = session.resource("dynamodb", endpoint_url="http://dynamodb:8000")
+table = dynamodb.Table("BME280Data")
 
-@app.route('/bme280', methods=['POST'])
-def post_bme280_data():
-    data = request.get_json()
-    table.put_item(Item=data)
-    return jsonify({'message': 'Data received'}), 200
 
-@app.route('/rain_check', methods=['GET'])
+@app.route("/bme280", methods=["GET", "POST"])
+def bme280_data():
+    if request.method == "POST":
+        data = request.get_json()
+        table.put_item(Item=data)
+        return jsonify({"message": "Data received"}), 200
+
+    response = table.scan()
+    data = response["Items"]
+    return jsonify(data), 200
+
+
+@app.route("/rain_check", methods=["GET"])
 def get_rain_check():
     # You need to implement the logic for checking if it's going to rain
     is_going_to_rain = False
-    return jsonify({'is_going_to_rain': is_going_to_rain}), 200
+    return jsonify({"is_going_to_rain": is_going_to_rain}), 200
+
 
-if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=5000)
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)

docker-compose.yml

@@ -1,4 +1,5 @@
 version: "3.7"
+name: arduino_weather
 services:
   dynamodb:
     image: amazon/dynamodb-local

firmware/firmware.ino

@@ -0,0 +1,218 @@
+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+#include <Adafruit_Sensor.h>
+#include <Adafruit_BME280.h>
+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>
+#include <WiFiClientSecure.h>
+// #include <WiFiClient.h>
+
+#define SEALEVELPRESSURE_HPA (1013.25)
+
+// LED pins
+int redPin = D6;
+int greenPin = D7;
+int bluePin = D8;
+
+// Initialize BME280
+Adafruit_BME280 bme; // I2C
+
+// Initialize the LCD. The address (0x27) and size (16, 2) may vary for your display
+int lcdCols = 16;
+int lcdRows = 2;
+LiquidCrystal_I2C lcd(0x27, lcdCols, lcdRows);
+
+const char* ssid = "ai_dinamica";
+const char* password = "ai_dinamica";
+
+unsigned long lastPostTime = 0;
+
+WiFiClientSecure client;
+
+void setup() {
+  Serial.println("Starting Arduino...");
+  Serial.begin(9600);
+  while (!Serial) {
+      delay(10);
+  }
+
+  // Set RGB LED pins as output
+  pinMode(redPin, OUTPUT);
+  pinMode(greenPin, OUTPUT);
+  pinMode(bluePin, OUTPUT);
+
+  // 1. Initialize display
+  lightOn("blue");
+  Serial.println("Initializing display...");
+  lcd.init(); // Initialize the LCD
+  lcd.backlight(); // Turn on the backlight
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("Hello, there!");
+  lcd.setCursor(0, 1);
+  lcd.print("Initializing...");
+  delay(1000);
+
+  // 2. Check BME280 sensor
+  if (!bme.begin(0x76)) {
+      clearLCDLine(1);
+      lcd.print("Could not find BME280 sensor, check wiring!");
+      Serial.println("Could not find BME280 sensor, check wiring!");
+      lightOn("red");
+      while (1);
+  }
+
+  clearLCDLine(1);
+  lcd.setCursor(0, 1);
+  lcd.print("WiFi Setup");
+  delay(500);
+
+  // 2. Connect to WiFi
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+      lightOn("red");
+      delay(500);
+      clearLCDLine(1);
+      lcd.setCursor(0, 1);
+      loopMessage("Connecting to WiFi... ", 10);
+      Serial.println("Connecting to WiFi...");
+  }
+
+  clearLCDLine(1);
+  lcd.setCursor(0, 1);
+  lcd.print("Connected!");
+  Serial.println("Connected to WiFi");
+  lightOn("green");
+
+  delay(5000);
+  lightOn("blue");
+}
+
+void loop() {
+
+  unsigned long currentTime = millis();
+  if (currentTime - lastPostTime > 10000 or lastPostTime == 0) {
+    lastPostTime = currentTime;
+
+    // Check measurements
+    float temperature = bme.readTemperature();
+    float humidity = bme.readHumidity();
+    float pressure = bme.readPressure() / 100.0F;
+
+    // Display the BME280 data on the display
+    displayData(temperature, humidity, pressure);
+
+    // Post BME280 data to the endpoint
+    // postData(temperature, humidity, pressure);
+  }
+}
+
+void displayData(float t, float h, float p) {
+  lcd.clear();
+
+  lcd.setCursor(0, 0);
+  lcd.print(t);
+  lcd.setCursor(5, 0);
+  lcd.print("C");
+
+  lcd.setCursor(10, 0);
+  lcd.print(h);
+  lcd.setCursor(15, 0);
+  lcd.print("%");
+
+  lcd.setCursor(0, 1);
+  lcd.print(p);
+  lcd.setCursor(7, 1);
+  lcd.print("hPa");
+}
+
+void loopMessage(String phrase, int loop) {
+  int len = phrase.length();
+  int displayWidth = 16; // The number of columns in the LCD
+
+  for (int offset = 0; offset < 20; offset++) { // Infinite loop
+    // Calculate the start and end indices for the substring
+    int startIdx = offset % len;
+    int endIdx = startIdx + displayWidth;
+    String toDisplay;
+
+    if (endIdx <= len) {
+      // No wrap-around needed
+      toDisplay = phrase.substring(startIdx, endIdx);
+    } else {
+      // Wrap around the end of the phrase to the beginning
+      toDisplay = phrase.substring(startIdx, len) + phrase.substring(0, endIdx % len);
+    }
+
+    // Set the cursor position
+    lcd.setCursor(0, 1); // Assuming you want to display it on the second row
+
+    // Print the substring on LCD and Serial
+    lcd.print(toDisplay);
+
+    // Delay to control the speed of scrolling
+    delay(500); // Adjust delay as needed
+
+    // Clear the part of the LCD where the text is displayed to prevent ghosting
+    clearLCDLine(1);
+  }
+}
+
+// void postData(float temperature, float humidity, float pressure) {
+//     HTTPClient http;
+//     http.begin("YOUR_ENDPOINT");
+//     http.addHeader("Content-Type", "application/json");
+//     String postData = String("{\"temperature\":") + temperature + ",\"humidity\":" + humidity + ",\"pressure\":" + pressure + "}";
+//     int httpCode = http.POST(postData);
+//     http.end();
+// }
+
+// void checkRain() {
+//     HTTPClient http;
+//     http.begin("YOUR_RAIN_CHECK_ENDPOINT");
+//     int httpCode = http.GET();
+//     if (httpCode > 0) {
+//         String payload = http.getString();
+//         if (payload == "true") {
+//         // Speak that the rain is coming
+//         // ...
+//         }
+//     }
+//     http.end();
+// }
+
+void clearLCDLine(int line) {
+  // Clear the line
+  lcd.setCursor(0, line); // Set cursor to the beginning of the first line
+  for(int i = 0; i < lcdCols; i++) {
+    lcd.print(" "); // Overwrite the line with spaces
+  }
+}
+
+void lightOn(String color) {
+  if (color == "red") {
+    setColor(255, 0, 0);
+  }
+  else if (color == "green") {
+    setColor(0, 255, 0);
+  }
+  else if (color == "blue") {
+    setColor(0, 0, 255);
+  }
+  else if (color == "yellow") {
+    setColor(255, 235, 0);
+  }
+}
+
+void lightOff() {
+  setColor(0, 0, 0);
+}
+
+// Function to set color
+void setColor(int red, int green, int blue) {
+  analogWrite(redPin, red);
+  analogWrite(greenPin, green);
+  analogWrite(bluePin, blue);
+}
+