#include <WiFiLink.h>
#include <ESP8266WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SoftwareSerial.h>
#include <Adafruit_Fingerprint.h>
#include <ArduinoJson.h>
#include <FS.h>
extern "C" {
#include <wl_definitions.h>
}
const char* ssid = "hii";
const char* password = "hii@10";
const char* host = "sheets.googleapis.com";
const char* spreadsheetId = "abcdefg"; // Replace with your spreadsheet ID
const char* sheetName = "Attendance"; // Replace with your sheet name
bool loadServiceAccountKey() {
// Open the JSON file
File file = SPIFFS.open("/abcdefg.json", "r");
if (!file) {
Serial.println("Failed to open service account key file");
return false;
}
// Parse the JSON data
StaticJsonDocument<1024> doc;
DeserializationError error = deserializeJson(doc, file);
if (error) {
Serial.println("Failed to parse service account key file");
file.close();
return false;
}
// Extract the necessary information (private key, client email, etc.)
const char* privateKey = doc["private_key"];
const char* clientEmail = doc["client_email"];
// Use the extracted information to authenticate requests to Google Sheets API
// (Add your authentication logic here)
// Close the file
file.close();
return true;
}
// LCD configuration
LiquidCrystal_I2C lcd(0x27, 16, 2); // Adjust the I2C address if needed
// GSM800L configuration
SoftwareSerial gsmSerial(8, 7); // RX, TX
// Fingerprint sensor configuration
SoftwareSerial fingerprintSerial(10, 11); // RX, TX
Adafruit_Fingerprint finger = Adafruit_Fingerprint(&fingerprintSerial);
const int buzzerPin = 9;
// Parent phone numbers
String parentPhoneNumbers[] = {
// Enter parent phone numbers here, one for each student
"+91111111111",
"+919975783632",
"+919699784068",
"+919689781708",
"+918668794502"// Add more phone numbers as needed
};
const int numStudents = 100; // Number of students
unsigned long cooldownDuration = 60000; // 30 seconds cooldown period per student
unsigned long lastFingerprintTime[numStudents] = {0}; // Initialize cooldown times for each student to 0
bool fingerDetected = false;
void setup() {
Serial.begin(9600);
lcd.init();
lcd.backlight();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
gsmSerial.begin(9600);
fingerprintSerial.begin(57600);
pinMode(buzzerPin, OUTPUT);
if (finger.verifyPassword()) {
Serial.println("Found fingerprint sensor!");
} else {
Serial.println("Did not find fingerprint sensor :(");
while (1) { delay(1); }
}
lcd.print("Initializing...");
// Initialize GSM module
gsmSerial.println("AT");
delay(1000);
gsmSerial.println("AT+CMGF=1"); // Set SMS mode to text
delay(1000);
lcd.clear();
lcd.print("System initialized");
delay(2000);
lcd.clear();
SPIFFS.begin();
// Load and parse the service account key
if (!loadServiceAccountKey()) {
// Handle error
}
}
void loop() {
// Example: Read fingerprint
if (!fingerDetected) {
lcd.clear();
lcd.print("Place finger");
fingerDetected = true;
}
int fingerprintID = getFingerprintID();
if (fingerprintID != -1) {
// Check if cooldown period has elapsed for this student
if (millis() - lastFingerprintTime[fingerprintID] >= cooldownDuration) {
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Fingerprint ID: ");
lcd.setCursor(0,1);
lcd.print(fingerprintID);
activateBuzzer();
Serial.print("Fingerprint ID: ");
Serial.println(fingerprintID);
Serial.print("Sending SMS to: ");
Serial.println(parentPhoneNumbers[fingerprintID]);
Serial.print("Sending attendance to Google Sheets...");
// Example: Send attendance to Google Sheets
sendToGoogleSheets(fingerprintID);
// Example: Send SMS
sendSMS(parentPhoneNumbers[fingerprintID], "Your Child Is At College");
// Update last fingerprint time for this student
lastFingerprintTime[fingerprintID] = millis();
}
else
{
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Attendance");
lcd.setCursor(0, 1);
lcd.print("Cooldown");
delay(2000);
lcd.clear();
}
fingerDetected = false;
}
}
int getFingerprintID() {
uint8_t p = finger.getImage();
if (p != FINGERPRINT_OK) return -1;
p = finger.image2Tz();
if (p != FINGERPRINT_OK) return -1;
p = finger.fingerFastSearch();
if (p != FINGERPRINT_OK) return -1;
return finger.fingerID;
}
void sendToGoogleSheets(int fingerprintID)
{
// Construct HTTP request payload
String payload = "{\"values\": [[" + String(fingerprintID) + "]]}";
// Construct HTTP request
String request = "POST /v4/spreadsheets/" + String(spreadsheetId) + "/values/" + String(sheetName) + ":append?valueInputOption=RAW HTTP/1.1\r\n" +
"Host: " + String(host) + "\r\n" +
"Content-Type: application/json\r\n" +
"Authorization: Bearer " + String(serviceAccountKey) + "\r\n" +
"Content-Length: " + String(payload.length()) + "\r\n\r\n" +
payload;
// Establish a secure connection
WiFiClientSecure client;
if (!client.connect(host, 443)) {
Serial.println("Connection failed");
return;
}
// Send HTTP request to Google Sheets API
client.print(request);
// Wait for the server's response
while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
break;
}
}
String response = client.readStringUntil('\n');
Serial.println("Server response: " + response);
// Close the connection
client.stop();
}
void sendSMS(String phoneNumber, String message)
{
gsmSerial.print("AT+CMGS=\"");
gsmSerial.print(phoneNumber);
gsmSerial.println("\"");
delay(1000);
gsmSerial.print(message);
delay(1000);
gsmSerial.write(26); // Send Ctrl+Z to indicate end of message
delay(1000);
}
void activateBuzzer()
{
// Activate the buzzer for 1 second
digitalWrite(buzzerPin, HIGH);
delay(100);
digitalWrite(buzzerPin, LOW);
}
````Use code tags to format code for the forum`
for above code my Arduino IDE showing error as follow
In file included from C:\Users\ACER\Documents\Arduino\developingcppfor_final1\developingcppfor_final1.ino:8:0:
C:\Users\ACER\Documents\Arduino\libraries\FS\src/FS.h:24:10: fatal error: memory: No such file or directory
#include <memory>
^~~~~~~~
compilation terminated.
exit status 1
Compilation error: exit status 1 why?You started a topic in the Uncategorised category of the forum
Your topic has been moved to a relevant category. Please be careful in future when deciding where to start new topics
Which board have you got selected in the IDE ?
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