Python Turtle Demo Spirograph

 <br> import random,time,turtle<br>bai = turtle.Turtle()<br>bai.pendown<br>bai.speed(10)<br>bai.tracer(300)<br>bai.hideturtle()<br>for i in range (1000):<br>  for i in range(4):<br>   for i in range (40):<br>    bai.forward(50)<br>    bai.left(100)<br>    r = random.randint(0,255)<br>    g = random.randint(0,255)<br>    b = random.randint(0,255)<br>    bai.pencolor((r,g,b))<br>    for i in range(4):<br>       bai.forward(10)<br>       bai.left(90)<br>   time.sleep(0.1)<br>  bai.penup<br>  bai.forward(100)<br>  bai.pendown  

   <br><br> import turtle<br>import time<br>import random<br>bob = turtle.Turtle()<br>bob.tracer(300)<br>bob.pendown()<br>bob.hideturtle()<br>for i in range (20):<br>  for i in range(200):<br>    bob.forward(158)<br>    bob.left(200)<br>    bob.right(1)<br>    r = random.randint(1,255)<br>    g = random.randint(1,255)<br>    b = random.randint(1,255)<br>    bob.pencolor((r,g,b))<br>  time.sleep(0.1)    <br>

Hex/Binary/Base64

Base64 table[edit]

The Base64 index table:

IndexBinaryCharIndexBinaryCharIndexBinaryCharIndexBinaryChar
0000000A16010000Q32100000g48110000w
1000001B17010001R33100001h49110001x
2000010C18010010S34100010i50110010y
3000011D19010011T35100011j51110011z
4000100E20010100U36100100k521101000
5000101F21010101V37100101l531101011
6000110G22010110W38100110m541101102
7000111H23010111X39100111n551101113
8001000I24011000Y40101000o561110004
9001001J25011001Z41101001p571110015
10001010K26011010a42101010q581110106
11001011L27011011b43101011r591110117
12001100M28011100c44101100s601111008
13001101N29011101d45101101t611111019
14001110O30011110e46101110u62111110+
15001111P31011111f47101111v63111111/
Padding=

https://en.wikipedia.org/wiki/Base64

UTF8 – Hex

U+0021!21EXCLAMATION MARK
U+002222QUOTATION MARK
U+0023#23NUMBER SIGN
U+0024$24DOLLAR SIGN
U+0025%25PERCENT SIGN
U+0026&26AMPERSAND
U+002727APOSTROPHE
U+0028(28LEFT PARENTHESIS
U+0029)29RIGHT PARENTHESIS
U+002A*2aASTERISK
U+002B+2bPLUS SIGN
U+002C,2cCOMMA
U+002D2dHYPHEN-MINUS
U+002E.2eFULL STOP
U+002F/2fSOLIDUS
U+0030030DIGIT ZERO
U+0031131DIGIT ONE
U+0032232DIGIT TWO
U+0033333DIGIT THREE
U+0034434DIGIT FOUR
U+0035535DIGIT FIVE
U+0036636DIGIT SIX
U+0037737DIGIT SEVEN
U+0038838DIGIT EIGHT
U+0039939DIGIT NINE
U+003A:3aCOLON
U+003B;3bSEMICOLON
U+003C<3cLESS-THAN SIGN
U+003D=3dEQUALS SIGN
U+003E>3eGREATER-THAN SIGN
U+003F?3fQUESTION MARK
U+0040@40COMMERCIAL AT
U+0041A41LATIN CAPITAL LETTER A
U+0042B42LATIN CAPITAL LETTER B
U+0043C43LATIN CAPITAL LETTER C
U+0044D44LATIN CAPITAL LETTER D
U+0045E45LATIN CAPITAL LETTER E
U+0046F46LATIN CAPITAL LETTER F
U+0047G47LATIN CAPITAL LETTER G
U+0048H48LATIN CAPITAL LETTER H
U+0049I49LATIN CAPITAL LETTER I
U+004AJ4aLATIN CAPITAL LETTER J
U+004BK4bLATIN CAPITAL LETTER K
U+004CL4cLATIN CAPITAL LETTER L
U+004DM4dLATIN CAPITAL LETTER M
U+004EN4eLATIN CAPITAL LETTER N
U+004FO4fLATIN CAPITAL LETTER O
U+0050P50LATIN CAPITAL LETTER P
U+0051Q51LATIN CAPITAL LETTER Q
U+0052R52LATIN CAPITAL LETTER R
U+0053S53LATIN CAPITAL LETTER S
U+0054T54LATIN CAPITAL LETTER T
U+0055U55LATIN CAPITAL LETTER U
U+0056V56LATIN CAPITAL LETTER V
U+0057W57LATIN CAPITAL LETTER W
U+0058X58LATIN CAPITAL LETTER X
U+0059Y59LATIN CAPITAL LETTER Y
U+005AZ5aLATIN CAPITAL LETTER Z
U+005B[5bLEFT SQUARE BRACKET
U+005C\5cREVERSE SOLIDUS
U+005D]5dRIGHT SQUARE BRACKET
U+005E^5eCIRCUMFLEX ACCENT
U+005F_5fLOW LINE
U+0060`60GRAVE ACCENT
U+0061a61LATIN SMALL LETTER A
U+0062b62LATIN SMALL LETTER B
U+0063c63LATIN SMALL LETTER C
U+0064d64LATIN SMALL LETTER D
U+0065e65LATIN SMALL LETTER E
U+0066f66LATIN SMALL LETTER F
U+0067g67LATIN SMALL LETTER G
U+0068h68LATIN SMALL LETTER H
U+0069i69LATIN SMALL LETTER I
U+006Aj6aLATIN SMALL LETTER J
U+006Bk6bLATIN SMALL LETTER K
U+006Cl6cLATIN SMALL LETTER L
U+006Dm6dLATIN SMALL LETTER M
U+006En6eLATIN SMALL LETTER N
U+006Fo6fLATIN SMALL LETTER O
U+0070p70LATIN SMALL LETTER P
U+0071q71LATIN SMALL LETTER Q
U+0072r72LATIN SMALL LETTER R
U+0073s73LATIN SMALL LETTER S
U+0074t74LATIN SMALL LETTER T
U+0075u75LATIN SMALL LETTER U
U+0076v76LATIN SMALL LETTER V
U+0077w77LATIN SMALL LETTER W
U+0078x78LATIN SMALL LETTER X
U+0079y79LATIN SMALL LETTER Y
U+007Az7aLATIN SMALL LETTER Z

https://www.utf8-chartable.de/

7-Segment Display with Switch/Case

int a = 6;
int b = 5;
int c = 2;
int d = 3;
int e = 4;
int f = 7;
int g = 8;
int p = 9;

void setup() {
  pinMode(c, OUTPUT);
  pinMode(d, OUTPUT);
  pinMode(e, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(a, OUTPUT);
  pinMode(f, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(p, OUTPUT);
  pinMode(A1, INPUT);
  pinMode(A2, INPUT);
  Serial.begin(9600);
}

int num = 1;
int xvalue;

void loop() {
  
  LEDplay(num);
  delay(1000);
  xvalue = analogRead(A1);
  
  if(xvalue &gt; 1000){
    num = num+1;
    num = num%10;
  }
  if(xvalue &lt; 10){
    num = num-1;
    num = num%10;
  }
  if(num &lt; 0){
    num = 9;
  }
  
}

void LEDplay(int num){
  switch (num) {
    case 0:
      zero();
      break;
    case 1:
      one();
      break;
    case 2:
      two();
      break;
    case 3:
      three();
      break;
    case 4:
      four();
      break;
    case 5:
      five();
      break;
    case 6:
      six();
      break;
    case 7:
      seven();
      break;
    case 8:
      eight();
      break;
    case 9:
      nine();
      break;
    default:
      //do nothing
      break;
  }
}

void one(){
  digitalWrite(a, LOW);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
  digitalWrite(p, LOW);
}

void two(){
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, LOW);
  digitalWrite(d, HIGH);
  digitalWrite(e, HIGH);
  digitalWrite(f, LOW);
  digitalWrite(g, HIGH);
  digitalWrite(p, LOW);
}

void three(){
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, HIGH);
  digitalWrite(p, LOW);
}

void four(){
  digitalWrite(a, LOW);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  digitalWrite(p, LOW);
}

void five(){
  digitalWrite(a, HIGH);
  digitalWrite(b, LOW);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, LOW);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  digitalWrite(p, LOW);
}

void six(){
  digitalWrite(a, HIGH);
  digitalWrite(b, LOW);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, HIGH);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  digitalWrite(p, LOW);
}

void seven(){
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
  digitalWrite(p, LOW);
}

void eight(){
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, HIGH);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  digitalWrite(p, LOW);
}

void nine(){
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  digitalWrite(p, LOW);
}

void zero(){
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, HIGH);
  digitalWrite(f, HIGH);
  digitalWrite(g, LOW);
  digitalWrite(p, LOW);
}