WeLeMeter

1#include <HX711.h>
2#include <Servo.h>
3
4Servo my_servo1; //servo  for weight sensor
5Servo my_servo2; //servo for water sensor
6
7int pos =  0;
8
9const int ini_weight = 100; //100grams weight variable
10const int water_level  = 100; //100 water level variable
11
12int x = 1; //change according to calibration
13int  y = 0; //change according to calibration
14
15// HX711 circuit wiring
16const  int LOADCELL_DOUT_PIN = 2;
17const int LOADCELL_SCK_PIN = 3;
18
19// water level  sensor circuit wiring
20const int sensorPower = 7;
21const int sensorPin = A0;
22
23int  val = 0;
24
25HX711 scale;
26
27int calculate_weight();
28int calculate_water();
29
30void  setup() {
31  Serial.begin(57600);
32
33  my_servo1.attach(8);
34  my_servo2.attach(9);
35
36  pinMode(sensorPower, OUTPUT);
37  digitalWrite(sensorPower, LOW);
38
39  scale.begin(LOADCELL_DOUT_PIN,  LOADCELL_SCK_PIN);
40}
41
42void loop() {
43  int weight = calculate_weight();
44  Serial.print("Weight: ");
45  Serial.print(weight);
46  Serial.println("  g");
47  if (weight >= ini_weight) {
48    my_servo1.write(90);
49  }
50  else  if (weight < ini_weight) {
51    my_servo1.write(pos);
52  }
53
54  int level  = calculate_water();
55  Serial.print("Water level: ");
56  Serial.print(level);
57  if (level >= water_level) {
58    my_servo2.write(90);
59  }
60  else if (level  < water_level) {
61    my_servo2.write(pos);
62  }
63}
64
65int calculate_weight()  {
66  if (scale.is_ready()) {
67    long reading = scale.read() * x;
68    float  grams = (float)reading / 100000.0;
69    grams = grams - y;
70    return grams;
71  } else {
72    Serial.println("HX711 not found.");
73  }
74  delay(1000);
75}
76
77int  calculate_water() {
78  digitalWrite(sensorPower, HIGH);
79  delay(10);
80  val  = analogRead(sensorPin);
81  digitalWrite(sensorPower, LOW);
82  return val;
83  delay(1000);
84}

1#include <HX711.h>
2#include <Servo.h>
3
4Servo my_servo1; //servo
5  for weight sensor
6Servo my_servo2; //servo for water sensor
7
8int pos =
9  0;
10
11const int ini_weight = 100; //100grams weight variable
12const int water_level
13  = 100; //100 water level variable
14
15int x = 1; //change according to calibration
16int
17  y = 0; //change according to calibration
18
19// HX711 circuit wiring
20const
21  int LOADCELL_DOUT_PIN = 2;
22const int LOADCELL_SCK_PIN = 3;
23
24// water level
25  sensor circuit wiring
26const int sensorPower = 7;
27const int sensorPin = A0;
28
29int
30  val = 0;
31
32HX711 scale;
33
34int calculate_weight();
35int calculate_water();
36
37void
38  setup() {
39  Serial.begin(57600);
40
41  my_servo1.attach(8);
42  my_servo2.attach(9);
43
44
45  pinMode(sensorPower, OUTPUT);
46  digitalWrite(sensorPower, LOW);
47
48  scale.begin(LOADCELL_DOUT_PIN,
49  LOADCELL_SCK_PIN);
50}
51
52void loop() {
53  int weight = calculate_weight();
54
55  Serial.print("Weight: ");
56  Serial.print(weight);
57  Serial.println("
58  g");
59  if (weight >= ini_weight) {
60    my_servo1.write(90);
61  }
62  else
63  if (weight < ini_weight) {
64    my_servo1.write(pos);
65  }
66
67  int level
68  = calculate_water();
69  Serial.print("Water level: ");
70  Serial.print(level);
71
72  if (level >= water_level) {
73    my_servo2.write(90);
74  }
75  else if (level
76  < water_level) {
77    my_servo2.write(pos);
78  }
79}
80
81int calculate_weight()
82  {
83  if (scale.is_ready()) {
84    long reading = scale.read() * x;
85    float
86  grams = (float)reading / 100000.0;
87    grams = grams - y;
88    return grams;
89
90  } else {
91    Serial.println("HX711 not found.");
92  }
93  delay(1000);
94}
95
96int
97  calculate_water() {
98  digitalWrite(sensorPower, HIGH);
99  delay(10);
100  val
101  = analogRead(sensorPin);
102  digitalWrite(sensorPower, LOW);
103  return val;
104
105  delay(1000);
106}