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char phone_no[]="+123456789012"; // Your phone number that receive SMS with counry code #include <avr/sleep.h> // ARDUINO sleep mode library #include <SoftwareSerial.h> // Sofrware serial library #include "HX711.h" // HX711 lib. https://github.com/bogde/HX711 #include <EEPROM.h> // EEPROM lib. HX711 scale0(10, 14); HX711 scale1(11, 14); HX711 scale2(12, 14); #define SENSORCNT 3 HX711 *scale[SENSORCNT]; SoftwareSerial mySerial(5, 4); // Set I/O-port TXD, RXD of GSM-shield byte pin2sleep=15; // Set powerON/OFF pin float delta00; // delta weight from start float delta10; float delta20; float delta01; // delta weight from yesterday float delta11; float delta21; float raw00; //raw data from sensors on first start float raw10; float raw20; float raw01; //raw data from sensors on yesterday float raw11; float raw21; float raw02; //actual raw data from sensors float raw12; float raw22; word calibrate0=20880; //calibration factor for each sensor word calibrate1=20880; word calibrate2=20880; word daynum=0; //numbers of day after start int notsunset=0; boolean setZero=false; float readVcc() { // Read battery voltage function long result1000; float rvcc; result1000 = analogRead(A5); rvcc=result1000; rvcc=6.6*rvcc/1023; return rvcc; } void setup() { // Setup part run once, at start pinMode(13, OUTPUT); // Led pin init pinMode(2, INPUT_PULLUP); // Set pullup voltage Serial.begin(9600); mySerial.begin(115200); // Open Software Serial port to work with GSM-shield pinMode(pin2sleep, OUTPUT);// Itit ON/OFF pin for GSM digitalWrite(pin2sleep, LOW); // Turn ON modem delay(16000); // Wait for its boot scale[0] = &scale0; //init scale scale[1] = &scale1; scale[2] = &scale2; scale0.set_scale(); scale1.set_scale(); scale2.set_scale(); delay(200); setZero=digitalRead(2); if (EEPROM.read(500)==EEPROM.read(501) || setZero) // first boot/reset with hiding photoresistor //if (setZero) { raw00=scale0.get_units(16); //read data from scales raw10=scale1.get_units(16); raw20=scale2.get_units(16); EEPROM.put(500, raw00); //write data to eeprom EEPROM.put(504, raw10); EEPROM.put(508, raw20); for (int i = 0; i <= 24; i++) { //blinking LED13 on reset/first boot digitalWrite(13, HIGH); delay(500); digitalWrite(13, LOW); delay(500); } } else { EEPROM.get(500, raw00); // read data from eeprom after battery change EEPROM.get(504, raw10); EEPROM.get(508, raw20); digitalWrite(13, HIGH); // turn on LED 13 on 12sec. delay(12000); digitalWrite(13, LOW); } delay(200); // Test SMS at initial boot // mySerial.println("AT+CMGF=1"); // Send SMS part delay(2000); mySerial.print("AT+CMGS=\""); mySerial.print(phone_no); mySerial.write(0x22); mySerial.write(0x0D); // hex equivalent of Carraige return mySerial.write(0x0A); // hex equivalent of newline delay(2000); mySerial.println("INITIAL BOOT OK"); mySerial.print("V Bat= "); mySerial.println(readVcc()); if (readVcc()<3.5) {mySerial.print("!!! CHARGE BATTERY !!!");} delay(500); mySerial.println (char(26));//the ASCII code of the ctrl+z is 26 delay(3000); // raw02=raw00; raw12=raw10; raw22=raw20; //scale0.power_down(); //power down all scales //scale1.power_down(); //scale2.power_down(); } void loop() { attachInterrupt(0, NULL , RISING); // Interrupt on high lewel set_sleep_mode(SLEEP_MODE_PWR_DOWN); //Set ARDUINO sleep mode digitalWrite(pin2sleep, HIGH); // Turn OFF GSM-shield delay(2200); digitalWrite(pin2sleep, LOW); // Turn OFF GSM-shield delay(2200); digitalWrite(pin2sleep, HIGH); digitalWrite(13, LOW); scale0.power_down(); //power down all scales scale1.power_down(); scale2.power_down(); delay(90000); sleep_mode(); // Go to sleep detachInterrupt(digitalPinToInterrupt(0)); // turn off external interrupt notsunset=0; for (int i=0; i <= 250; i++){ if ( !digitalRead(2) ){ notsunset++; } //is a really sunset now? you shure? delay(360); } if ( notsunset==0 ) { digitalWrite(13, HIGH); digitalWrite(pin2sleep, LOW); // Turn-ON GSM-shield scale0.power_up(); //power up all scales scale1.power_up(); scale2.power_up(); raw01=raw02; raw11=raw12; raw21=raw22; raw02=scale0.get_units(16); //read data from scales raw12=scale1.get_units(16); raw22=scale2.get_units(16); daynum++; delta00=(raw02-raw00)/calibrate0; // calculate weight changes delta01=(raw02-raw01)/calibrate0; delta10=(raw12-raw10)/calibrate1; delta11=(raw12-raw11)/calibrate1; delta20=(raw22-raw20)/calibrate2; delta21=(raw22-raw21)/calibrate2; delay(16000); mySerial.println("AT+CMGF=1"); // Send SMS part delay(2000); mySerial.print("AT+CMGS=\""); mySerial.print(phone_no); mySerial.write(0x22); mySerial.write(0x0D); // hex equivalent of Carraige return mySerial.write(0x0A); // hex equivalent of newline delay(2000); mySerial.print("Turn "); mySerial.println(daynum); mySerial.print("Hive1 "); mySerial.print(delta01); mySerial.print(" "); mySerial.println(delta00); mySerial.print("Hive2 "); mySerial.print(delta11); mySerial.print(" "); mySerial.println(delta10); mySerial.print("Hive3 "); mySerial.print(delta21); mySerial.print(" "); mySerial.println(delta20); mySerial.print("V Bat= "); mySerial.println(readVcc()); if (readVcc()<3.5) {mySerial.print("!!! CHARGE BATTERY !!!");} delay(500); mySerial.println (char(26));//the ASCII code of the ctrl+z is 26 delay(3000); } }
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