Display for PC RAM, VRAM, CPU & GPU with gauges

Instead of having numbers floating around your screen to see your pc performance, here you can use an arduino with lcd to display it to you

Jul 16, 2022

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1 respects

communication

monitoring

Components and supplies

USB-A to B Cable

Rotary Potentiometer, 1 Mohm

LCD 16X2

Arduino UNO

Jumper wires (generic)

Project description

Code

yes.py

python

this is the python file i use to get the data and send it to serial. first, you need to install all the library needed - serial - psutil - GPUtil and make sure to use com port your arduino use

1import serial
2import psutil
3import GPUtil 
4
5ser=serial.Serial('COM7',9600,timeout=1)
6#change  the port accordingly
7
8while True:
9    a=psutil.cpu_percent(interval=1)
10    b=psutil.virtual_memory().percent
11    c=GPUtil.getGPUs()
12    d=c[0].memoryUtil
13    c=c[0].load
14    c*=100
15    d*=100
16    a=round(a)
17    # print(a)
18    b=round(b)
19    # print(b)
20    d=round(d)
21    a=str(a)
22    b=str(b)
23    c=str(c)
24    d=str(d)
25    x=b+'-'+a+'-'+d+'-'+c
26    x=bytes(x,'ascii')
27    ser.write(x)

import serial
import psutil
import GPUtil 

ser=serial.Serial('COM7',9600,timeout=1)
#change  the port accordingly

while True:
    a=psutil.cpu_percent(interval=1)
    b=psutil.virtual_memory().percent
    c=GPUtil.getGPUs()
    d=c[0].memoryUtil
    c=c[0].load
    c*=100
    d*=100
    a=round(a)
    # print(a)
    b=round(b)
    # print(b)
    d=round(d)
    a=str(a)
    b=str(b)
    c=str(c)
    d=str(d)
    x=b+'-'+a+'-'+d+'-'+c
    x=bytes(x,'ascii')
    ser.write(x)

yes.py

python

this is the python file i use to get the data and send it to serial. first, you need to install all the library needed - serial - psutil - GPUtil and make sure to use com port your arduino use

1import serial
2import psutil
3import GPUtil 
4
5ser=serial.Serial('COM7',9600,timeout=1)
6#change
7  the port accordingly
8
9while True:
10    a=psutil.cpu_percent(interval=1)
11
12    b=psutil.virtual_memory().percent
13    c=GPUtil.getGPUs()
14    d=c[0].memoryUtil
15
16    c=c[0].load
17    c*=100
18    d*=100
19    a=round(a)
20    # print(a)
21
22    b=round(b)
23    # print(b)
24    d=round(d)
25    a=str(a)
26    b=str(b)
27
28    c=str(c)
29    d=str(d)
30    x=b+'-'+a+'-'+d+'-'+c
31    x=bytes(x,'ascii')
32
33    ser.write(x)

import serial
import psutil
import GPUtil 

ser=serial.Serial('COM7',9600,timeout=1)
#change
  the port accordingly

while True:
    a=psutil.cpu_percent(interval=1)

    b=psutil.virtual_memory().percent
    c=GPUtil.getGPUs()
    d=c[0].memoryUtil

    c=c[0].load
    c*=100
    d*=100
    a=round(a)
    # print(a)

    b=round(b)
    # print(b)
    d=round(d)
    a=str(a)
    b=str(b)

    c=str(c)
    d=str(d)
    x=b+'-'+a+'-'+d+'-'+c
    x=bytes(x,'ascii')

    ser.write(x)

lcd_work2.ino

arduino

1/*
2  LiquidCrystal Library - Serial Input
3
4 Demonstrates the  use a 16x2 LCD display.  The LiquidCrystal
5 library works with all LCD displays  that are compatible with the
6 Hitachi HD44780 driver. There are many of them  out there, and you
7 can usually tell them by the 16-pin interface.
8
9 This  sketch displays text sent over the serial port
10 (e.g. from the Serial Monitor)  on an attached LCD.
11
12 The circuit:
13 * LCD RS pin to digital pin 12
14  * LCD Enable pin to digital pin 11
15 * LCD D4 pin to digital pin 5
16 * LCD D5  pin to digital pin 4
17 * LCD D6 pin to digital pin 3
18 * LCD D7 pin to digital  pin 2
19 * LCD R/W pin to ground
20 * 10K resistor:
21 * ends to +5V and ground
22  * wiper to LCD VO pin (pin 3)
23
24 Library originally added 18 Apr 2008
25 by  David A. Mellis
26 library modified 5 Jul 2009
27 by Limor Fried (http://www.ladyada.net)
28  example added 9 Jul 2009
29 by Tom Igoe
30 modified 22 Nov 2010
31 by Tom Igoe
32  modified 7 Nov 2016
33 by Arturo Guadalupi
34
35 This example code is in the  public domain.
36
37 http://www.arduino.cc/en/Tutorial/LiquidCrystalSerialDisplay
38
39*/
40
41//  include the library code:
42#include <LiquidCrystal.h>
43
44// initialize the  library by associating any needed LCD interface pin
45// with the arduino pin number  it is connected to
46const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
47
48char  sheh;
49LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
50char heh=0;
51char input[99]={};
52int  count=0;
53int realsize=0;
54//char dummy[99]={};
55String dummy;
56int cnt=0;
57int  cnt2=0;
58int parsed[4]={};
59float parsedbar[4]={};
60
61byte blocks0[8] =  {
62    0b10000,
63    0b10000,
64    0b10000,
65    0b10000,
66    0b10000,
67    0b10000,
68    0b10000,
69    0b10000
70  };
71byte blocks1[8] = {
72    0b11000,
73    0b11000,
74    0b11000,
75    0b11000,
76    0b11000,
77    0b11000,
78    0b11000,
79    0b11000
80  };
81byte blocks2[8] = {
82    0b11100,
83    0b11100,
84    0b11100,
85    0b11100,
86    0b11100,
87    0b11100,
88    0b11100,
89    0b11100
90  };
91byte blocks3[8] = {
92    0b11110,
93    0b11110,
94    0b11110,
95    0b11110,
96    0b11110,
97    0b11110,
98    0b11110,
99    0b11110
100  };
101byte blocks4[8] = {
102    0b11111,
103    0b11111,
104    0b11111,
105    0b11111,
106    0b11111,
107    0b11111,
108    0b11111,
109    0b11111
110  };
111byte cpu[8] = {
112    0b00000,
113    0b11111,
114    0b10001,
115    0b10101,
116    0b10001,
117    0b11111,
118    0b00000,
119    0b00000
120  };
121byte ram[8]  = {
122    0b10101,
123    0b10101,
124    0b10101,
125    0b10101,
126    0b10101,
127    0b10101,
128    0b10101,
129    0b10101
130  };
131byte gpu[8] = {
132    0b00000,
133    0b00000,
134    0b11111,
135    0b11111,
136    0b10000,
137    0b00000,
138    0b00000,
139    0b00000
140  };
141byte internet[8] = {
142    0b00000,
143    0b00100,
144    0b01010,
145    0b10001,
146    0b00100,
147    0b01010,
148    0b10001,
149    0b00000
150  };
151void setup() {
152  
153  // set up the LCD's  number of columns and rows:
154  lcd.begin(16, 2);
155  lcd.createChar(0,blocks0);
156  lcd.createChar(1,blocks1);
157  lcd.createChar(2,blocks2);
158  lcd.createChar(3,blocks3);
159  lcd.createChar(4,blocks4);
160  lcd.createChar(5,cpu);
161  lcd.createChar(6,ram);
162  lcd.createChar(7,gpu);
163  // initialize the serial communications:
164  lcd.setCursor(0,0);
165  lcd.write(byte(6));
166  lcd.setCursor(8,0);
167  lcd.write(byte(5));
168  lcd.setCursor(0,1);
169  lcd.print("V");
170  lcd.setCursor(8,1);
171  lcd.write(byte(7));
172//  lcd.createChar(4,blocks4);
173  Serial.begin(9600);
174}
175
176void loop() {
177  // when characters arrive over  the serial port...
178  cnt=0;
179  cnt2=0;
180  memset(input, 0, sizeof(input));
181  memset(parsed, 0, sizeof(parsed));
182  dummy="";
183//  memset(dummy, 0, sizeof(dummy));
184  count=0;
185  realsize=0;
186  
187  if (Serial.available()) {
188    // wait  a bit for the entire message to arrive
189    delay(100);
190    // clear the screen
191//    lcd.clear();
192    // read all the available characters
193    while (Serial.available()  > 0) {
194      
195      // display each character to the LCD
196      heh=Serial.read();
197      if(heh!='\n'){
198        input[count]=heh;
199//        Serial.print("count  = ");
200//        Serial.print(count);
201//        Serial.print(heh);
202        count++;
203//        lcd.write(heh);
204        Serial.print(heh);
205      }
206      
207    }
208    for(int i=0;i<sizeof(input);i++){
209      if(input[i]){
210        realsize++;
211//        Serial.print(input[i]);
212      }
213      else{
214        break;
215      }
216      
217    }
218    for(int i=0;i<=realsize;i++){
219      if(input[i]=='-'||i==realsize){
220        Serial.println("space");
221        cnt=0;
222        parsed[cnt2]=dummy.toInt();
223        Serial.println(parsed[cnt2]);
224        dummy="";
225//        memset(dummy,  0, sizeof(dummy));
226        cnt2++;
227      }
228      else{
229        Serial.println("data");
230        dummy+=input[i];
231        Serial.println(dummy);
232      }
233    }
234    Serial.print("realsize= ");
235    Serial.println(realsize);
236    Serial.println(sizeof(input));
237    Serial.println("parsed results:");
238    for(int i=0;i<4;i++){
239      Serial.println(parsed[i]);
240    }
241    cnt=0;
242    
243    // loop over the columns:\\
244    cnt=0;
245    for (int  thisRow = 0; thisRow < 2; thisRow++) {
246      // loop over the rows:
247      for (int thisCol = 1; thisCol < 16; thisCol+=8) {
248        // set the cursor  position:
249        lcd.setCursor(thisCol, thisRow);
250        // print the letter:
251        if(parsed[cnt]>99){
252          lcd.print("XX");
253        }
254        else{
255          if(parsed[cnt]<10){
256            lcd.print(" ");
257          }
258          lcd.print(parsed[cnt]);
259        }
260        cnt++;
261        
262      }
263    }
264    cnt=0;
265    
266    for(int i=0;i<2;i++){
267      for(int  j=3;j<16;j+=8){
268        parsedbar[cnt]=parsed[cnt]*25;
269        parsedbar[cnt]/=100;
270        Serial.print("before round");
271        Serial.println(parsedbar[cnt]);
272        parsedbar[cnt]=ceil(parsedbar[cnt]);
273        Serial.print("after round");
274        Serial.println(parsedbar[cnt]);
275        lcd.setCursor(j, i);
276        cnt2=0;
277        while(true){
278          if(parsedbar[cnt]>5){
279            lcd.write(byte(4));
280            parsedbar[cnt]-=5;
281            cnt2++;
282          }
283          else  if(parsedbar[cnt]>0){
284            lcd.write(byte(parsedbar[cnt]-1));
285            cnt2++;
286            break;
287          }
288          else{
289            break;
290          }
291        }
292        Serial.print(cnt2);
293        Serial.print("asdf");
294        
295        cnt2=5-cnt2;
296        Serial.print(cnt2);
297        for(int  k=0;k<cnt2;k++){
298          lcd.print(" ");
299        }
300//        lcd.print(parsedbar[cnt]);
301        cnt++;
302      }
303    }
304  
305   memset(parsed, 0, sizeof(parsed));
306  }
307}
308

/*
  LiquidCrystal Library - Serial Input

 Demonstrates the  use a 16x2 LCD display.  The LiquidCrystal
 library works with all LCD displays  that are compatible with the
 Hitachi HD44780 driver. There are many of them  out there, and you
 can usually tell them by the 16-pin interface.

 This  sketch displays text sent over the serial port
 (e.g. from the Serial Monitor)  on an attached LCD.

 The circuit:
 * LCD RS pin to digital pin 12
  * LCD Enable pin to digital pin 11
 * LCD D4 pin to digital pin 5
 * LCD D5  pin to digital pin 4
 * LCD D6 pin to digital pin 3
 * LCD D7 pin to digital  pin 2
 * LCD R/W pin to ground
 * 10K resistor:
 * ends to +5V and ground
  * wiper to LCD VO pin (pin 3)

 Library originally added 18 Apr 2008
 by  David A. Mellis
 library modified 5 Jul 2009
 by Limor Fried (http://www.ladyada.net)
  example added 9 Jul 2009
 by Tom Igoe
 modified 22 Nov 2010
 by Tom Igoe
  modified 7 Nov 2016
 by Arturo Guadalupi

 This example code is in the  public domain.

 http://www.arduino.cc/en/Tutorial/LiquidCrystalSerialDisplay

*/

//  include the library code:
#include <LiquidCrystal.h>

// initialize the  library by associating any needed LCD interface pin
// with the arduino pin number  it is connected to
const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;

char  sheh;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
char heh=0;
char input[99]={};
int  count=0;
int realsize=0;
//char dummy[99]={};
String dummy;
int cnt=0;
int  cnt2=0;
int parsed[4]={};
float parsedbar[4]={};

byte blocks0[8] =  {
    0b10000,
    0b10000,
    0b10000,
    0b10000,
    0b10000,
    0b10000,
    0b10000,
    0b10000
  };
byte blocks1[8] = {
    0b11000,
    0b11000,
    0b11000,
    0b11000,
    0b11000,
    0b11000,
    0b11000,
    0b11000
  };
byte blocks2[8] = {
    0b11100,
    0b11100,
    0b11100,
    0b11100,
    0b11100,
    0b11100,
    0b11100,
    0b11100
  };
byte blocks3[8] = {
    0b11110,
    0b11110,
    0b11110,
    0b11110,
    0b11110,
    0b11110,
    0b11110,
    0b11110
  };
byte blocks4[8] = {
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111
  };
byte cpu[8] = {
    0b00000,
    0b11111,
    0b10001,
    0b10101,
    0b10001,
    0b11111,
    0b00000,
    0b00000
  };
byte ram[8]  = {
    0b10101,
    0b10101,
    0b10101,
    0b10101,
    0b10101,
    0b10101,
    0b10101,
    0b10101
  };
byte gpu[8] = {
    0b00000,
    0b00000,
    0b11111,
    0b11111,
    0b10000,
    0b00000,
    0b00000,
    0b00000
  };
byte internet[8] = {
    0b00000,
    0b00100,
    0b01010,
    0b10001,
    0b00100,
    0b01010,
    0b10001,
    0b00000
  };
void setup() {
  
  // set up the LCD's  number of columns and rows:
  lcd.begin(16, 2);
  lcd.createChar(0,blocks0);
  lcd.createChar(1,blocks1);
  lcd.createChar(2,blocks2);
  lcd.createChar(3,blocks3);
  lcd.createChar(4,blocks4);
  lcd.createChar(5,cpu);
  lcd.createChar(6,ram);
  lcd.createChar(7,gpu);
  // initialize the serial communications:
  lcd.setCursor(0,0);
  lcd.write(byte(6));
  lcd.setCursor(8,0);
  lcd.write(byte(5));
  lcd.setCursor(0,1);
  lcd.print("V");
  lcd.setCursor(8,1);
  lcd.write(byte(7));
//  lcd.createChar(4,blocks4);
  Serial.begin(9600);
}

void loop() {
  // when characters arrive over  the serial port...
  cnt=0;
  cnt2=0;
  memset(input, 0, sizeof(input));
  memset(parsed, 0, sizeof(parsed));
  dummy="";
//  memset(dummy, 0, sizeof(dummy));
  count=0;
  realsize=0;
  
  if (Serial.available()) {
    // wait  a bit for the entire message to arrive
    delay(100);
    // clear the screen
//    lcd.clear();
    // read all the available characters
    while (Serial.available()  > 0) {
      
      // display each character to the LCD
      heh=Serial.read();
      if(heh!='\n'){
        input[count]=heh;
//        Serial.print("count  = ");
//        Serial.print(count);
//        Serial.print(heh);
        count++;
//        lcd.write(heh);
        Serial.print(heh);
      }
      
    }
    for(int i=0;i<sizeof(input);i++){
      if(input[i]){
        realsize++;
//        Serial.print(input[i]);
      }
      else{
        break;
      }
      
    }
    for(int i=0;i<=realsize;i++){
      if(input[i]=='-'||i==realsize){
        Serial.println("space");
        cnt=0;
        parsed[cnt2]=dummy.toInt();
        Serial.println(parsed[cnt2]);
        dummy="";
//        memset(dummy,  0, sizeof(dummy));
        cnt2++;
      }
      else{
        Serial.println("data");
        dummy+=input[i];
        Serial.println(dummy);
      }
    }
    Serial.print("realsize= ");
    Serial.println(realsize);
    Serial.println(sizeof(input));
    Serial.println("parsed results:");
    for(int i=0;i<4;i++){
      Serial.println(parsed[i]);
    }
    cnt=0;
    
    // loop over the columns:\\
    cnt=0;
    for (int  thisRow = 0; thisRow < 2; thisRow++) {
      // loop over the rows:
      for (int thisCol = 1; thisCol < 16; thisCol+=8) {
        // set the cursor  position:
        lcd.setCursor(thisCol, thisRow);
        // print the letter:
        if(parsed[cnt]>99){
          lcd.print("XX");
        }
        else{
          if(parsed[cnt]<10){
            lcd.print(" ");
          }
          lcd.print(parsed[cnt]);
        }
        cnt++;
        
      }
    }
    cnt=0;
    
    for(int i=0;i<2;i++){
      for(int  j=3;j<16;j+=8){
        parsedbar[cnt]=parsed[cnt]*25;
        parsedbar[cnt]/=100;
        Serial.print("before round");
        Serial.println(parsedbar[cnt]);
        parsedbar[cnt]=ceil(parsedbar[cnt]);
        Serial.print("after round");
        Serial.println(parsedbar[cnt]);
        lcd.setCursor(j, i);
        cnt2=0;
        while(true){
          if(parsedbar[cnt]>5){
            lcd.write(byte(4));
            parsedbar[cnt]-=5;
            cnt2++;
          }
          else  if(parsedbar[cnt]>0){
            lcd.write(byte(parsedbar[cnt]-1));
            cnt2++;
            break;
          }
          else{
            break;
          }
        }
        Serial.print(cnt2);
        Serial.print("asdf");
        
        cnt2=5-cnt2;
        Serial.print(cnt2);
        for(int  k=0;k<cnt2;k++){
          lcd.print(" ");
        }
//        lcd.print(parsedbar[cnt]);
        cnt++;
      }
    }
  
   memset(parsed, 0, sizeof(parsed));
  }
}

Downloadable files

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image_2022-07-16_142937414_XTeOYaJOsg.png

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