Tools, APP Software Used etc.
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Altium DesignerAltium Designer
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arduino IDEArduino
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Visual Studio Code |
Description
Crop Manager
The Crop Manager
The project is developed for monitoring water level of soil, air temperature and humidity of air. It is noted that many soil moisture sensors are cloud based but required some monthly charges and also cost is very high in India.
- This device do not require any monthly charges for account because this is based on google firebase project. this firebase access is free of cost.
- the web site is also hosted on firebase which is also free and allow hosting the application like web.
- user only need to have access for internet in order to upload data to firebase real-time data management system.
Code
Arduino Code
Arduino
WiFiManager wifiManager; // Set web server port number to 80 WiFiServer server(80); // Variable to store the HTTP request String header; //Provide the token generation process info. //Provide the RTDB payload printing info and other helper functions. // Insert Firebase project API Key // Insert Authorized Email and Corresponding Password // Insert RTDB URLefine the RTDB URL */ //Define Firebase Data object FirebaseData fbdo; FirebaseAuth auth; FirebaseConfig config; //---------------------------------------------------- // Variable to save USER UID String uid; // Database main path (to be updated in setup with the user UID) String databasePath; // Database child nodes String tempPath = "/temperature"; String humPath = "/humidity"; String soilPath = "/soil_moisture"; String timePath = "/timestamp"; // Parent Node (to be updated in every loop) String parentPath; FirebaseJson json; // Define NTP Client to get time WiFiUDP ntpUDP; NTPClient timeClient(ntpUDP, "pool.ntp.org"); int timestamp; //--------------------------------------------------------------- unsigned long sendDataPrevMillis = 0; int count = 0; bool signupOK = false; DHT dht(DHTPIN, DHTTYPE); const int sensor_pin = A0; const int dry = 570;//1024-454; // value for dry sensor const int wet = 620;//1024-404; // 395 value for wet sensor // Function that gets current epoch time unsigned long getTime() { timeClient.update(); unsigned long now = timeClient.getEpochTime(); return now; } void setup() { Serial.begin(115200); delay(5000); if (WiFi.status() != WL_CONNECTED) { Serial.println("Creating Soft AP"); wifiManager.autoConnect("Crop Manager"); // or use this for auto generated name ESP + ChipID //wifiManager.autoConnect(); // if you get here you have connected to the WiFi } Serial.println("Connected."); //--------------------------------------------------------------- timeClient.begin(); /* Assign the api key (required) */ config.api_key = API_KEY; // Assign the user sign in credentials auth.user.email = USER_EMAIL; auth.user.password = USER_PASSWORD; /* Assign the callback function for the long running token generation task */ config.token_status_callback = tokenStatusCallback; //see addons/TokenHelper.h // Assign the maximum retry of token generation config.max_token_generation_retry = 5; // Initialize the library with the Firebase authen and config Firebase.begin(&config, &auth); signupOK = true; // /* Sign up */ // if (Firebase.signUp(&config, &auth,USER_EMAIL,USER_PASSWORD)){ // Serial.println("ok"); // // // } // else{ // Serial.printf("%s\n", config.signer.signupError.message.c_str()); // } uid = auth.token.uid.c_str(); Serial.print("User UID: "); Serial.println(uid); //--------------------------------------------------------------- // Update database path databasePath = "/UsersData/" + uid + "/readings"; } float h,t; int s=0, wx; int sensor_analog=0; void loop(){ //WiFiClient client = server.available(); // Listen for incoming clients // If a new client connects, if (Firebase.ready() && signupOK && (millis() - sendDataPrevMillis > 60000 || sendDataPrevMillis == 0)){ sendDataPrevMillis = millis(); // Read DHT Sensor h = dht.readHumidity(); t = dht.readTemperature(); // Reading temperature as Celsius (the default) for (wx=0; wx<20;wx++) { sensor_analog+=analogRead(sensor_pin); delay(10); } sensor_analog=sensor_analog/20; Serial.print("ADC= "); Serial.println(sensor_analog); sensor_analog=1024-sensor_analog; s = (map(sensor_analog, dry, wet, 0, 100)); Serial.print("Mapped Value= "); Serial.println(s); s= constrain(s,0,100); sensor_analog=0; Serial.print("Humidity: "); Serial.print(h); Serial.print("% Temperature: "); Serial.print(t); Serial.println("°C "); Serial.println("Soil Moisture: "); Serial.print(s); Serial.println("%"); //Get current timestamp timestamp = getTime(); Serial.print ("time: "); Serial.println (timestamp); parentPath= databasePath + "/" + String(timestamp); json.set(tempPath.c_str(), String(t)); json.set(humPath.c_str(), String(h)); json.set(soilPath.c_str(), String(s)); json.set(timePath, String(timestamp)); Serial.printf("Set json... %s\n", Firebase.RTDB.setJSON(&fbdo, parentPath.c_str(), &json) ? "ok" : fbdo.errorReason().c_str()); } }
Schematic and Layout
WiFi_Soil2.pdf
Jan 12,2024
432 views
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Crop Manager
This device monitors soil moisture, temperature and humidity.
432
2
0
8.63 (2)
Published: Jan 12,2024
Download Gerber file 2
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