DIY PC Stats Monitor

DIY Arduino Project with Python to Display your PC's stats (CPU temp, CPU load, GPU temp and GPU load)

May 31, 2022

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monitoring

Components and supplies

LCD 3,5" Screen

Arduino UNO

Apps and platforms

Arduino IDE

Project description

Code

PC_Stats_Monitor

arduino

1#include <UTFTGLUE.h>              //use GLUE class and constructor
2#include  <string.h>
3UTFTGLUE myGLCD(0,A2,A1,A3,A4,A0); //initiate screen
4
5void setup()
6{
7  randomSeed(analogRead(0));
8  Serial.begin(115200);
9  Serial.setTimeout(1);
10  
11  //Print the basic layout of the Display
12  myGLCD.InitLCD(0);
13  myGLCD.setFont(BigFont);
14  
15  myGLCD.setColor(255, 255, 255);
16  myGLCD.fillRect(0, 0, 319, 479);
17  
18  myGLCD.setBackColor(255, 255, 255);
19  myGLCD.setColor(0, 0, 0);
20  
21  myGLCD.print("CPU TEMP: ", LEFT, 30);
22  myGLCD.print("C ",300, 30);
23
24  myGLCD.print("CPU LOAD: ", LEFT, 30+135);
25  myGLCD.print("%", 300, 30+135);
26  
27  myGLCD.print("GPU TEMP: ", LEFT, 30+135*2);
28  myGLCD.print("C", 300,  30+135*2);
29  
30  myGLCD.print("GPU LOAD: ", LEFT, 30+135*3);
31  myGLCD.print("%",  300, 30+135*3);
32
33  myGLCD.setFont(SevenSegNumFont);
34  
35  //End of the  basic layout
36}
37
38void loop()
39{
40  String x= " ";
41
42  char str[20];
43  char s[2] = ",";
44  char *token;
45  int aux[4];
46
47while (!Serial.available());  //Get data from the PC
48  x = Serial.readString();
49  x.toCharArray(str,20);
50  token = strtok(str, s); //Conversions to split the string and get the data of  each field.
51  int i=0;
52  while( token != NULL ) {
53  aux[i]=atoi(token);
54  i++;
55  token = strtok(NULL, s); 
56 }
57 
58 
59  String cputemp, cpuload,  gputemp, gpuload;
60  String bcputemp, bcpuload, bgputemp, bgpuload;
61  
62  bcputemp=cputemp;
63  cputemp=String(aux[0]);
64  if( bcputemp != cputemp){  //If the new read is different do a new print
65    if(aux[0]<10){ //Due to limitations  of my screen I can't afford to clear the string so I print a "0" if the temp is  lower than 10
66      cputemp="0"+cputemp;
67    }
68    if(aux[0]==100){ //Same  but for 3 digits
69      cputemp="99";
70    }
71    myGLCD.print(cputemp,  200, 30-10);
72  }
73  
74  bcpuload=cpuload;
75  cpuload=String(aux[1]);
76  if( bcpuload != cpuload){
77    if(aux[1]<10){
78      cpuload="0"+cpuload;
79    }
80    if(aux[1]==100){
81      cpuload="99";
82    }
83    myGLCD.print(cpuload,  200, 30+135*1-10);
84  }
85
86  bgputemp=gputemp;
87  gputemp=String(aux[2]);
88  if( bgputemp != gputemp){
89    if(aux[2]<10){
90      gputemp="0"+gputemp;
91    }
92    if(aux[2]==100){
93      gputemp="99";
94    }
95    myGLCD.print(gputemp,  200, 30+135*2-10);
96  }
97  
98  bgpuload=gpuload;
99  gpuload=String(aux[3]);
100  if( bgpuload != gpuload){
101    if(aux[3]<10){
102      gpuload="0"+gpuload;
103    }
104    if(aux[3]==100){
105      gpuload="99";
106    }
107    myGLCD.print(gpuload,  200, 30+135*3-10);
108  }
109
110  
111  delay (1000);
112}

#include <UTFTGLUE.h>              //use GLUE class and constructor
#include  <string.h>
UTFTGLUE myGLCD(0,A2,A1,A3,A4,A0); //initiate screen

void setup()
{
  randomSeed(analogRead(0));
  Serial.begin(115200);
  Serial.setTimeout(1);
  
  //Print the basic layout of the Display
  myGLCD.InitLCD(0);
  myGLCD.setFont(BigFont);
  
  myGLCD.setColor(255, 255, 255);
  myGLCD.fillRect(0, 0, 319, 479);
  
  myGLCD.setBackColor(255, 255, 255);
  myGLCD.setColor(0, 0, 0);
  
  myGLCD.print("CPU TEMP: ", LEFT, 30);
  myGLCD.print("C ",300, 30);

  myGLCD.print("CPU LOAD: ", LEFT, 30+135);
  myGLCD.print("%", 300, 30+135);
  
  myGLCD.print("GPU TEMP: ", LEFT, 30+135*2);
  myGLCD.print("C", 300,  30+135*2);
  
  myGLCD.print("GPU LOAD: ", LEFT, 30+135*3);
  myGLCD.print("%",  300, 30+135*3);

  myGLCD.setFont(SevenSegNumFont);
  
  //End of the  basic layout
}

void loop()
{
  String x= " ";

  char str[20];
  char s[2] = ",";
  char *token;
  int aux[4];

while (!Serial.available());  //Get data from the PC
  x = Serial.readString();
  x.toCharArray(str,20);
  token = strtok(str, s); //Conversions to split the string and get the data of  each field.
  int i=0;
  while( token != NULL ) {
  aux[i]=atoi(token);
  i++;
  token = strtok(NULL, s); 
 }
 
 
  String cputemp, cpuload,  gputemp, gpuload;
  String bcputemp, bcpuload, bgputemp, bgpuload;
  
  bcputemp=cputemp;
  cputemp=String(aux[0]);
  if( bcputemp != cputemp){  //If the new read is different do a new print
    if(aux[0]<10){ //Due to limitations  of my screen I can't afford to clear the string so I print a "0" if the temp is  lower than 10
      cputemp="0"+cputemp;
    }
    if(aux[0]==100){ //Same  but for 3 digits
      cputemp="99";
    }
    myGLCD.print(cputemp,  200, 30-10);
  }
  
  bcpuload=cpuload;
  cpuload=String(aux[1]);
  if( bcpuload != cpuload){
    if(aux[1]<10){
      cpuload="0"+cpuload;
    }
    if(aux[1]==100){
      cpuload="99";
    }
    myGLCD.print(cpuload,  200, 30+135*1-10);
  }

  bgputemp=gputemp;
  gputemp=String(aux[2]);
  if( bgputemp != gputemp){
    if(aux[2]<10){
      gputemp="0"+gputemp;
    }
    if(aux[2]==100){
      gputemp="99";
    }
    myGLCD.print(gputemp,  200, 30+135*2-10);
  }
  
  bgpuload=gpuload;
  gpuload=String(aux[3]);
  if( bgpuload != gpuload){
    if(aux[3]<10){
      gpuload="0"+gpuload;
    }
    if(aux[3]==100){
      gpuload="99";
    }
    myGLCD.print(gpuload,  200, 30+135*3-10);
  }

  
  delay (1000);
}

Python Script

python

More info in my github: https://github.com/bykape/Stat_Screen_Monitor

1#main Python script
2
3import GPUtil
4import psutil
5import wmi
6import  math
7import serial
8import time
9
10
11arduino = serial.Serial(port='COM8',  baudrate=115200, timeout=.1) #open serial port
12
13def write_read(x): #function  to send data to the arduino board
14    arduino.write(bytes(x,'utf-8'))
15
16
17while  1:
18      w = wmi.WMI(namespace="root\\OpenHardwareMonitor") #open Hardware  Monitor
19      temperature_infos = w.Sensor()
20      value=0
21
22      for  sensor in temperature_infos: #Search for the CPU temperature. Due to lack of OpenHardwareMonitor  limitation with 11th Intel Family I only get the core 0 temp.
23        #It is  posible to do the mean of all your processor temps. 
24          if sensor.SensorType==u'Temperature'  and sensor.Parent==u'/lpc/nct6798d' and sensor.Name==u'Temperature #1':
25              value=sensor.Value
26    
27      gpu = GPUtil.getGPUs()[0]
28      
29      A = str(round(value,2))
30      B = str(round(psutil.cpu_percent(),2))
31      C = str(round(gpu.temperature,2))
32      D = str(round(gpu.load*100,2))
33      finalString = A + "," + B + ","  + C + "," + D + "\
34" #Create the String to send to arduino
35      write_read(finalString)  #calling the send function

#main Python script

import GPUtil
import psutil
import wmi
import  math
import serial
import time


arduino = serial.Serial(port='COM8',  baudrate=115200, timeout=.1) #open serial port

def write_read(x): #function  to send data to the arduino board
    arduino.write(bytes(x,'utf-8'))


while  1:
      w = wmi.WMI(namespace="root\\OpenHardwareMonitor") #open Hardware  Monitor
      temperature_infos = w.Sensor()
      value=0

      for  sensor in temperature_infos: #Search for the CPU temperature. Due to lack of OpenHardwareMonitor  limitation with 11th Intel Family I only get the core 0 temp.
        #It is  posible to do the mean of all your processor temps. 
          if sensor.SensorType==u'Temperature'  and sensor.Parent==u'/lpc/nct6798d' and sensor.Name==u'Temperature #1':
              value=sensor.Value
    
      gpu = GPUtil.getGPUs()[0]
      
      A = str(round(value,2))
      B = str(round(psutil.cpu_percent(),2))
      C = str(round(gpu.temperature,2))
      D = str(round(gpu.load*100,2))
      finalString = A + "," + B + ","  + C + "," + D + "\
" #Create the String to send to arduino
      write_read(finalString)  #calling the send function

PC_Stats_Monitor

arduino

1#include <UTFTGLUE.h>              //use GLUE class and constructor
2#include   <string.h>
3UTFTGLUE myGLCD(0,A2,A1,A3,A4,A0); //initiate screen
4
5void setup()
6{
7   randomSeed(analogRead(0));
8  Serial.begin(115200);
9  Serial.setTimeout(1);
10   
11  //Print the basic layout of the Display
12  myGLCD.InitLCD(0);
13  myGLCD.setFont(BigFont);
14   
15  myGLCD.setColor(255, 255, 255);
16  myGLCD.fillRect(0, 0, 319, 479);
17   
18  myGLCD.setBackColor(255, 255, 255);
19  myGLCD.setColor(0, 0, 0);
20  
21   myGLCD.print("CPU TEMP: ", LEFT, 30);
22  myGLCD.print("C ",300, 30);
23
24   myGLCD.print("CPU LOAD: ", LEFT, 30+135);
25  myGLCD.print("%", 300, 30+135);
26   
27  myGLCD.print("GPU TEMP: ", LEFT, 30+135*2);
28  myGLCD.print("C", 300,   30+135*2);
29  
30  myGLCD.print("GPU LOAD: ", LEFT, 30+135*3);
31  myGLCD.print("%",   300, 30+135*3);
32
33  myGLCD.setFont(SevenSegNumFont);
34  
35  //End of the   basic layout
36}
37
38void loop()
39{
40  String x= " ";
41
42  char str[20];
43   char s[2] = ",";
44  char *token;
45  int aux[4];
46
47while (!Serial.available());   //Get data from the PC
48  x = Serial.readString();
49  x.toCharArray(str,20);
50   token = strtok(str, s); //Conversions to split the string and get the data of   each field.
51  int i=0;
52  while( token != NULL ) {
53  aux[i]=atoi(token);
54   i++;
55  token = strtok(NULL, s); 
56 }
57 
58 
59  String cputemp, cpuload,   gputemp, gpuload;
60  String bcputemp, bcpuload, bgputemp, bgpuload;
61  
62   bcputemp=cputemp;
63  cputemp=String(aux[0]);
64  if( bcputemp != cputemp){   //If the new read is different do a new print
65    if(aux[0]<10){ //Due to limitations   of my screen I can't afford to clear the string so I print a "0" if the temp is   lower than 10
66      cputemp="0"+cputemp;
67    }
68    if(aux[0]==100){ //Same   but for 3 digits
69      cputemp="99";
70    }
71    myGLCD.print(cputemp,   200, 30-10);
72  }
73  
74  bcpuload=cpuload;
75  cpuload=String(aux[1]);
76   if( bcpuload != cpuload){
77    if(aux[1]<10){
78      cpuload="0"+cpuload;
79     }
80    if(aux[1]==100){
81      cpuload="99";
82    }
83    myGLCD.print(cpuload,   200, 30+135*1-10);
84  }
85
86  bgputemp=gputemp;
87  gputemp=String(aux[2]);
88   if( bgputemp != gputemp){
89    if(aux[2]<10){
90      gputemp="0"+gputemp;
91     }
92    if(aux[2]==100){
93      gputemp="99";
94    }
95    myGLCD.print(gputemp,   200, 30+135*2-10);
96  }
97  
98  bgpuload=gpuload;
99  gpuload=String(aux[3]);
100   if( bgpuload != gpuload){
101    if(aux[3]<10){
102      gpuload="0"+gpuload;
103     }
104    if(aux[3]==100){
105      gpuload="99";
106    }
107    myGLCD.print(gpuload,   200, 30+135*3-10);
108  }
109
110  
111  delay (1000);
112}

#include <UTFTGLUE.h>              //use GLUE class and constructor
#include   <string.h>
UTFTGLUE myGLCD(0,A2,A1,A3,A4,A0); //initiate screen

void setup()
{
   randomSeed(analogRead(0));
  Serial.begin(115200);
  Serial.setTimeout(1);
   
  //Print the basic layout of the Display
  myGLCD.InitLCD(0);
  myGLCD.setFont(BigFont);
   
  myGLCD.setColor(255, 255, 255);
  myGLCD.fillRect(0, 0, 319, 479);
   
  myGLCD.setBackColor(255, 255, 255);
  myGLCD.setColor(0, 0, 0);
  
   myGLCD.print("CPU TEMP: ", LEFT, 30);
  myGLCD.print("C ",300, 30);

   myGLCD.print("CPU LOAD: ", LEFT, 30+135);
  myGLCD.print("%", 300, 30+135);
   
  myGLCD.print("GPU TEMP: ", LEFT, 30+135*2);
  myGLCD.print("C", 300,   30+135*2);
  
  myGLCD.print("GPU LOAD: ", LEFT, 30+135*3);
  myGLCD.print("%",   300, 30+135*3);

  myGLCD.setFont(SevenSegNumFont);
  
  //End of the   basic layout
}

void loop()
{
  String x= " ";

  char str[20];
   char s[2] = ",";
  char *token;
  int aux[4];

while (!Serial.available());   //Get data from the PC
  x = Serial.readString();
  x.toCharArray(str,20);
   token = strtok(str, s); //Conversions to split the string and get the data of   each field.
  int i=0;
  while( token != NULL ) {
  aux[i]=atoi(token);
   i++;
  token = strtok(NULL, s); 
 }
 
 
  String cputemp, cpuload,   gputemp, gpuload;
  String bcputemp, bcpuload, bgputemp, bgpuload;
  
   bcputemp=cputemp;
  cputemp=String(aux[0]);
  if( bcputemp != cputemp){   //If the new read is different do a new print
    if(aux[0]<10){ //Due to limitations   of my screen I can't afford to clear the string so I print a "0" if the temp is   lower than 10
      cputemp="0"+cputemp;
    }
    if(aux[0]==100){ //Same   but for 3 digits
      cputemp="99";
    }
    myGLCD.print(cputemp,   200, 30-10);
  }
  
  bcpuload=cpuload;
  cpuload=String(aux[1]);
   if( bcpuload != cpuload){
    if(aux[1]<10){
      cpuload="0"+cpuload;
     }
    if(aux[1]==100){
      cpuload="99";
    }
    myGLCD.print(cpuload,   200, 30+135*1-10);
  }

  bgputemp=gputemp;
  gputemp=String(aux[2]);
   if( bgputemp != gputemp){
    if(aux[2]<10){
      gputemp="0"+gputemp;
     }
    if(aux[2]==100){
      gputemp="99";
    }
    myGLCD.print(gputemp,   200, 30+135*2-10);
  }
  
  bgpuload=gpuload;
  gpuload=String(aux[3]);
   if( bgpuload != gpuload){
    if(aux[3]<10){
      gpuload="0"+gpuload;
     }
    if(aux[3]==100){
      gpuload="99";
    }
    myGLCD.print(gpuload,   200, 30+135*3-10);
  }

  
  delay (1000);
}

Downloadable files

Schematics

Quite simple

Schematics

Quite simple

Schematics

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