Arduino & Python3 Temperature Data Visualizer

1import matplotlib.pyplot as plt
2import matplotlib.animation as animation
3from  matplotlib import style
4import datetime as dta
5'''configuring the plot'''
6style.use('ggplot')
7fig  = plt.figure()
8ax1 = fig.add_subplot(1,1,1)
9
10def animate(i):
11    dateconv  = dta.datetime.fromtimestamp
12    '''define the function that gonna convert the  unix time to date'''
13    graph_data = open('example.txt','r').read()
14    '''read  the data from the txt file'''
15    lines = graph_data.split('\n')
16    '''  split the lines as a list'''
17    xs = []
18    ''' x axis the tempurature'''
19    ys = []
20    ''' y axis the date'''
21    for line in lines:
22        '''  read the lines and append the data to ys ans xs'''
23        if len(line) > 1:
24            '''get only the non-empty line'''
25            x, y = line.split(',')
26            x=float(x)
27            y=float(y)
28            xs.append(x)
29            y = dateconv(y)
30            ''' converte the unix time'''
31            ys.append(y)
32    '''plot the data'''
33    ax1.clear()
34    ax1.plot(ys, xs,label='temperature')
35    for label in ax1.xaxis.get_ticklabels():
36        '''set the rotation of the  date into 45 degree in order to be readable'''
37        label.set_rotation(45)
38    plt.xlabel('date')
39    plt.ylabel('temperature')
40    plt.legend()
41ani  = animation.FuncAnimation(fig, animate, interval=1000)
42'''animate the plot and  refresh evry 1 second'''
43plt.subplots_adjust(left=0.09, bottom=0.23, right=0.93,  top=0.90, wspace=0.2, hspace=0)
44'''just configurations'''
45plt.show()
46
47

1 /*
2
3
4 The circuit:
5
6 
7 * LCD RS pin to digital pin  12
8 * LCD Enable pin to digital pin 11
9 * LCD D4 pin to digital pin 5
10  * LCD D5 pin to digital pin 4
11 * LCD D6 pin to digital pin 3
12 * LCD D7 pin  to digital pin 2
13 * LCD R/W pin to ground
14 * LCD VSS pin to ground
15 * LCD  VCC pin to 5V
16 * LCD K pin to ground
17 * LCD A pin to 5V
18 * LCD V0 pin to  digital pin 6
19 * LED to pin 13
20
21
22
23 put a 110 ohm resitance in series  with the thermistor, the side of 110 resitance to 5V 
24 the side of the thermistor  to GND and the point where the thermistor and the resitence meet
25 to analog input  A0
26 
27 
28 */
29
30
31
32
33
34#include <LiquidCrystal.h>
35
36LiquidCrystal  lcd(12,11,5,4,3,2);//configure the lcd
37
38#define a A0 // analog input to read  the voltage of the thermistor
39double b;// an intermediate variable
40double  Vt;
41double Rt;
42int R=110;
43int B=2800;
44int R0=5;
45int T0=25;
46double  T;
47void setup() {
48analogWrite(6,120);// configure the contrast of the lcd
49lcd.begin(16,2);
50Serial.begin(115200);//  using serial to send data to the computer
51}
52
53void loop() {
54  b=analogRead(a);//  get the value in the A0
55  Vt= (b/1024)*5;// convert it to voltage
56  Rt=(R*Vt)/(5-Vt);//  measure the resistance of the thermistor
57  T=1/((log(Rt/R0)/B)+(1/(T0+273.15)));  // get the temperature in kelvin 
58  Serial.println(T-273.15);// send the temperature  in using serial
59  
60  // desplay the temperature in the lcd
61  lcd.clear();
62  lcd.print("temp is: ");
63  lcd.print(T-273.15);
64  lcd.print(" D");
65  
66  // trigger the security alarm if the temperature is higher than 60 degree
67  if ((T-273.15)>60){
68      digitalWrite(13,HIGH);
69      delay(500);
70      digitalWrite(13,LOW);
71      delay(500);
72  }
73 else{
74  delay(1000);
75  }
76  // in the both  cases there will be a delay of 1s between sending the temperature to the computer  and display in in the lcd
77 }
78

1from serial import Serial
2import time
3'''set the serial to connect  to the arduino (you should change the port)'''
4ser =Serial(
5    port='COM8',
6    baudrate = 115200,
7    timeout=None)
8def adddata(data):
9    '''a function  to add the data to the text file'''
10    date=time.time()
11    h=str(data)+','+str(date)+'\n'
12    fh = open('example.txt', 'a')
13    fh.write(h) 
14    fh.close 
15while  1:
16    ''' infinit loop'''
17    while(ser.inWaiting()==0):
18        '''wait  for the data from serial'''
19        pass
20    a=float(ser.readline().decode('utf-8'))
21    '''read and decode the data'''
22    adddata(a)
23    '''add the data to the  txt file'''
24

1import matplotlib.pyplot as plt
2import matplotlib.animation as animation
3from
4  matplotlib import style
5import datetime as dta
6'''configuring the plot'''
7style.use('ggplot')
8fig
9  = plt.figure()
10ax1 = fig.add_subplot(1,1,1)
11
12def animate(i):
13    dateconv
14  = dta.datetime.fromtimestamp
15    '''define the function that gonna convert the
16  unix time to date'''
17    graph_data = open('example.txt','r').read()
18    '''read
19  the data from the txt file'''
20    lines = graph_data.split('\
21')
22    '''
23  split the lines as a list'''
24    xs = []
25    ''' x axis the tempurature'''
26
27    ys = []
28    ''' y axis the date'''
29    for line in lines:
30        '''
31  read the lines and append the data to ys ans xs'''
32        if len(line) > 1:
33
34            '''get only the non-empty line'''
35            x, y = line.split(',')
36
37            x=float(x)
38            y=float(y)
39            xs.append(x)
40
41            y = dateconv(y)
42            ''' converte the unix time'''
43            ys.append(y)
44
45    '''plot the data'''
46    ax1.clear()
47    ax1.plot(ys, xs,label='temperature')
48
49    for label in ax1.xaxis.get_ticklabels():
50        '''set the rotation of the
51  date into 45 degree in order to be readable'''
52        label.set_rotation(45)
53
54    plt.xlabel('date')
55    plt.ylabel('temperature')
56    plt.legend()
57ani
58  = animation.FuncAnimation(fig, animate, interval=1000)
59'''animate the plot and
60  refresh evry 1 second'''
61plt.subplots_adjust(left=0.09, bottom=0.23, right=0.93,
62  top=0.90, wspace=0.2, hspace=0)
63'''just configurations'''
64plt.show()
65
66

1 /*
2
3
4 The circuit:
5
6 
7 * LCD RS pin to digital pin
8  12
9 * LCD Enable pin to digital pin 11
10 * LCD D4 pin to digital pin 5
11
12  * LCD D5 pin to digital pin 4
13 * LCD D6 pin to digital pin 3
14 * LCD D7 pin
15  to digital pin 2
16 * LCD R/W pin to ground
17 * LCD VSS pin to ground
18 * LCD
19  VCC pin to 5V
20 * LCD K pin to ground
21 * LCD A pin to 5V
22 * LCD V0 pin to
23  digital pin 6
24 * LED to pin 13
25
26
27
28 put a 110 ohm resitance in series
29  with the thermistor, the side of 110 resitance to 5V 
30 the side of the thermistor
31  to GND and the point where the thermistor and the resitence meet
32 to analog input
33  A0
34 
35 
36 */
37
38
39
40
41
42#include <LiquidCrystal.h>
43
44LiquidCrystal
45  lcd(12,11,5,4,3,2);//configure the lcd
46
47#define a A0 // analog input to read
48  the voltage of the thermistor
49double b;// an intermediate variable
50double
51  Vt;
52double Rt;
53int R=110;
54int B=2800;
55int R0=5;
56int T0=25;
57double
58  T;
59void setup() {
60analogWrite(6,120);// configure the contrast of the lcd
61lcd.begin(16,2);
62Serial.begin(115200);//
63  using serial to send data to the computer
64}
65
66void loop() {
67  b=analogRead(a);//
68  get the value in the A0
69  Vt= (b/1024)*5;// convert it to voltage
70  Rt=(R*Vt)/(5-Vt);//
71  measure the resistance of the thermistor
72  T=1/((log(Rt/R0)/B)+(1/(T0+273.15)));
73  // get the temperature in kelvin 
74  Serial.println(T-273.15);// send the temperature
75  in using serial
76  
77  // desplay the temperature in the lcd
78  lcd.clear();
79
80  lcd.print("temp is: ");
81  lcd.print(T-273.15);
82  lcd.print(" D");
83
84  
85  // trigger the security alarm if the temperature is higher than 60 degree
86
87  if ((T-273.15)>60){
88      digitalWrite(13,HIGH);
89      delay(500);
90      digitalWrite(13,LOW);
91
92      delay(500);
93  }
94 else{
95  delay(1000);
96  }
97  // in the both
98  cases there will be a delay of 1s between sending the temperature to the computer
99  and display in in the lcd
100 }
101