RASBERRY PICO
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#include <Servo.h>
#include "SoftwareSerial.h"
#include "HX711.h"
#define calibration_factor 7050.0 //This value is obtained using the SparkFun_HX711_Calibration sketch
#define LOADCELL_DOUT_PIN 11
#define LOADCELL_SCK_PIN 12
SoftwareSerial gsmsertext(2,3); // RX, TX
const int pingalu = 4; // Trigger Pin of Ultrasonic Sensor
const int echoalu = 5; // Echo Pin of Ultrasonic Sensor
const int pingplastic = 6; // Trigger Pin of Ultrasonic Sensor
const int echoplastic = 7; // Echo Pin of Ultrasonic Sensor
String bin1="0";
String bin2="0";
String cellnumber="+639264968828";
String textmsg="SYSTEM READY";
HX711 scale;
int pointalu=0;
int pointplastic=0;
String inputString = "";
int cm1=0;
int cm2=0;
int pd=500;
int pointalu1=0;
int pointplastic1=0;
int serialnumber1=0;
int serialnumber2=0;
int serialnumber3=0;
SoftwareSerial myprinter(19,20); // RX, TX
Servo myservo; // create servo object to control a servo
Servo dropservo; // create servo object to control a servo
Servo lid; // create servo object to control a servo
const int irPin = 17; // the number of the pushbutton pin// variables will change:
int irState = 0; // variable for reading the pushbutton status
String serdata="000000000";
const int inductivePin = 16; // the number of the pushbutton pin// variables will change:
int inductiveState = 0; // variable for reading the pushbutton status
int indind=0;
int irind=0;
int ident=0;
int startmark=0;
String time1="10:12am";
String time2="12/16/2022";
void gsmsms()
{
gsmsertext.println("ATE1\r\n");
Serial.println("sms1");
delay(1000);
gsmsertext.println("AT+CMGF=1\r\n");
Serial.println("sms2");
delay(1000);
gsmsertext.print("AT+CMGS=\""+ cellnumber +"\"\r\n");
Serial.println("sms3");
delay(1000);
gsmsertext.print(" ALUMINUM BIN: "+ String(bin1) +"% / PLASTIC BIN: "+ String(cm2)+"%");
Serial.println("sms4");
delay(3500);
gsmsertext.write(0x1A);
Serial.println("sms5");
delay(3000);
Serial.println("sms snt p");
}
void sneddatatorpi()
{
//alu
serialnumber1=random(100,999);
serialnumber2=random(200,599);
serialnumber3=random(300,499);
serdata=String(serialnumber1) +""+String(serialnumber2)+""+String(serialnumber3);
checkbin();
Serial.println(serdata+"R"+String(pointalu1)+"S"+String(pointalu)+"T"+String(pointplastic1)+"U"+String(pointplastic)+"V"+String(cm1)+"W"+String(cm2)+"X"+String(time1)+"Y"+String(time2));
//TOTAL
//pointalu1+pointplastic1
//pointalu+pointplastic
}
void closelid()
{ lid.attach(18);
lid.write(180);
delay(1500);
lid.detach();
}
void openlid()
{ lid.attach(18);
lid.write(0);
myservo.attach(15);
myservo.write(90);
delay(1500);
lid.detach(); }
void printrecepit()
{
myprinter.println(" ");delay(pd);
myprinter.println(" REVERSE VENDING MACHINE ");delay(pd);
myprinter.println(" BARANGAY 310, STA. CRUZ MANILA");delay(pd);
myprinter.println(" ");delay(pd);
myprinter.println("--------------------------------");delay(pd);
myprinter.println(" OFFICIAL RECEIPT ");delay(pd);
myprinter.println("--------------------------------");delay(pd);
myprinter.print("DATE:");myprinter.println(time2);delay(pd);
myprinter.print("TIME:");myprinter.println(time1);delay(pd);
myprinter.print("SN:");myprinter.println(serdata);delay(pd);
myprinter.println("LOCATION:MAIN ");delay(pd);
myprinter.println("--------------------------------");delay(pd);
myprinter.println(" ITEM/S ");delay(pd);
myprinter.println("================================");delay(pd);
myprinter.println(" QTY POINTS ");delay(pd);
myprinter.print("METAL ");myprinter.print(pointalu1);myprinter.print(" ");myprinter.println(pointalu);delay(pd);
myprinter.print("PLASTIC ");myprinter.print(pointplastic1);myprinter.print(" ");myprinter.println(pointplastic);delay(pd);
myprinter.println("================================");delay(pd);
myprinter.print("TOTAL: ");myprinter.print(pointalu1+pointplastic1);myprinter.print(" ");myprinter.println(pointalu+pointplastic);delay(pd);
myprinter.println("================================");delay(pd);
myprinter.println(" THANK YOU FOR RECYCLING ");delay(pd);
myprinter.println(" ");delay(pd);
myprinter.println(" ");delay(pd);
myprinter.println(" ");delay(pd);
Serial.println("%");
pointalu1=0;
pointalu=0;
pointplastic1=0;
pointplastic=0;
}
void checkbin()
{
long duration, inches, cm;
pinMode(pingplastic, OUTPUT);
digitalWrite(pingplastic, LOW);
delayMicroseconds(2);
digitalWrite(pingplastic, HIGH);
delayMicroseconds(10);
digitalWrite(pingplastic, LOW);
pinMode(echoplastic, INPUT);
duration = pulseIn(echoplastic, HIGH);
inches = microsecondsToInches(duration);
cm1 = microsecondsToCentimeters(duration);
delay(100);
pinMode(pingalu, OUTPUT);
digitalWrite(pingalu, LOW);
delayMicroseconds(2);
digitalWrite(pingalu, HIGH);
delayMicroseconds(10);
digitalWrite(pingalu, LOW);
pinMode(echoalu, INPUT);
duration = pulseIn(echoalu, HIGH);
inches = microsecondsToInches(duration);
cm2 = microsecondsToCentimeters(duration);
delay(100);
}
long microsecondsToInches(long microseconds) {return microseconds / 74 / 2;}
long microsecondsToCentimeters(long microseconds) {return microseconds / 29 / 2;}
void setup() {
myprinter.begin(9600);
gsmsertext.begin(9600);
Serial.begin(9600);
Serial.println("Start");
// printrecepit();
dropservo.attach(14);
dropservo.write(10);
myservo.attach(15);
myservo.write(90);
delay(2000);
dropservo.detach();
pinMode(inductivePin, INPUT);
pinMode(irPin, INPUT_PULLUP);
scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
scale.set_scale(calibration_factor); //This value is obtained by using the SparkFun_HX711_Calibration sketch
scale.tare(); //Assuming there is no weight on the scale at start up, reset the scale to 0
inputString.reserve(200);
}
void loop() {
irState = digitalRead(irPin);
inductiveState = digitalRead(inductivePin);
if (inductiveState == LOW) {indind=1;}
if (inductiveState == HIGH) {indind=0;}
if (irState == LOW) {irind=1;}
if (irState == HIGH) {irind=0;}
if (irind==0)
{ closelid();
for (int thisPin = 0; thisPin < 1000; thisPin++)
{delay(1); inductiveState = digitalRead(inductivePin);}
if (inductiveState == LOW) {indind=1;}
if (inductiveState == HIGH) {indind=0;}
if (indind==1)
{//Aluminum
int data1=scale.get_units();
Serial.println(data1);
if (data1<5){pointalu=pointalu+1; pointalu1=pointalu1+1; ident=1;}
if (data1>4){ ident=3;}
}
if (indind==0)
{//plastic
int data1=scale.get_units();
Serial.println(data1);
if (data1<15){pointplastic=pointplastic+1;pointplastic1=pointplastic1+1; ident=2;}
if (data1>14){if (data1<19) {pointplastic=pointplastic+2;pointplastic1=pointplastic1+1; ident=2;}if(data1>18){ ident=3;}}
}
}
if (ident==1)
{
Serial.println("!");
myservo.attach(15);
myservo.write(180);
delay(2000);
//drop
dropservo.attach(14);
dropservo.write(180);
delay(2000);
dropservo.write(10);
delay(2000);
dropservo.detach();
////////////
myservo.write(90);
//delay(2000);
sneddatatorpi();
ident=0;
myservo.detach();
closelid();
scale.set_scale(calibration_factor); //This value is obtained by using the SparkFun_HX711_Calibration sketch
scale.tare(); //Assuming there is no weight on the scale at start up, reset the scale to 0
}
if (ident==2){
Serial.println("@");
myservo.attach(15);
myservo.write(30);
delay(2500);
//drop
dropservo.attach(14);
dropservo.write(180);
delay(2000);
dropservo.write(10);
delay(2000);
dropservo.detach();
////////////
myservo.write(90);
// delay(2000);
sneddatatorpi();
ident=0;
myservo.detach();
closelid();
scale.set_scale(calibration_factor); //This value is obtained by using the SparkFun_HX711_Calibration sketch
scale.tare(); //Assuming there is no weight on the scale at start up, reset the scale to 0
// sneddatatorpi();
}
if (ident==3)
{//drop
ident=0;
Serial.println("#");
dropservo.attach(14);
dropservo.write(160);
delay(2500);
dropservo.write(10);
delay(2000);
dropservo.detach();
scale.set_scale(calibration_factor); //This value is obtained by using the SparkFun_HX711_Calibration sketch
scale.tare(); //Assuming there is no weight on the scale at start up, reset the scale to 0
sneddatatorpi();
////////////
}
}
void serialEvent() {
while (Serial.available()) {
char inChar = (char)Serial.read();
if (inChar == 'A') {printrecepit();}
if (inChar == 'B') {openlid();}
if (inChar == 'C') {sneddatatorpi(); gsmsms();}
//T12:12:22amt12/12/2022d100g100h+639123456789i
//time
if (inChar == 't') {time1=inputString; inputString = "";Serial.println(time1);}
//date
if (inChar == 'd') {time2=inputString;time2.replace('t', ' ');time2.trim();inputString = "";Serial.println(time2);}
//bin1
if (inChar == 'g') {bin1=inputString;bin1.replace('d', ' ');bin1.trim();inputString = "";Serial.println(bin1);}
//bin2
if (inChar == 'h') {bin2=inputString;bin2.replace('g', ' ');bin2.trim();inputString = "";Serial.println(bin2);}
//number to text then send sms
if (inChar == 'i') {cellnumber=inputString;cellnumber.replace('h', ' ');cellnumber.trim();inputString = "";startmark=0;Serial.println(cellnumber);
//send sms
gsmsms();
}
if (startmark==1){inputString += inChar;}
if (inChar == 'T') {startmark=1;}
}
}