├── README.md
├── alldigits.c
├── illustration.jpg
└── nixietubeM5.ino


/README.md:
--------------------------------------------------------------------------------
 1 | # nixietubeM5
 2 | (Fake) Nixie Tube Display on a M5Stack
 3 | 
 4 | ![Illustration](illustration.jpg)
 5 | 
 6 | For a video see
 7 | https://twitter.com/drayde/status/995242200631054336
 8 | 
 9 | 
10 | Original Nixie tube images © 2007-08 Čestmír Hýbl <cestmir.hybl@nustep.net>  
11 | Taken from http://cestmir.freeside.sk/projects/dhtml-nixie-display/  
12 | Free for non-commercial use only
13 | 


--------------------------------------------------------------------------------
/illustration.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/drayde/nixietubeM5/585874c2e7226f0ee2b6c8feac897ab0ce2fd8f6/illustration.jpg


--------------------------------------------------------------------------------
/nixietubeM5.ino:
--------------------------------------------------------------------------------
 1 | 
 2 | #include <M5Stack.h>
 3 | 
 4 | extern const unsigned char d0[], d1[], d2[], d3[], d4[], d5[], d6[], d7[], d8[], d9[];
 5 | extern const unsigned long d0len, d1len, d2len, d3len, d4len, d5len, d6len, d7len, d8len, d9len;
 6 | 
 7 | int number = 0;
 8 | 
 9 | void setup() 
10 | {
11 |   M5.begin();
12 |   M5.Lcd.fillScreen(TFT_BLACK);
13 |   M5.Lcd.setBrightness(255);
14 | }
15 | 
16 | void loop() 
17 | {
18 |   if (number>99)
19 |     number = 0;
20 |     
21 |   showNumber(number);
22 |   delay(1000);
23 | 
24 |   number++;
25 | }
26 | 
27 | void showNumber(byte number)
28 | {
29 |   byte d1 = number / 10;
30 |   byte d2 = number % 10;
31 |   showDigit(d1, 14);
32 |   showDigit(d2, 160);
33 | }
34 | 
35 | void showDigit(byte digit, uint16_t xpos)
36 | {
37 |   switch (digit)
38 |   {
39 |     case 0: M5.Lcd.drawJpg(d0, d0len, xpos, 0); return;
40 |     case 1: M5.Lcd.drawJpg(d1, d1len, xpos, 0); return;
41 |     case 2: M5.Lcd.drawJpg(d2, d2len, xpos, 0); return;
42 |     case 3: M5.Lcd.drawJpg(d3, d3len, xpos, 0); return;
43 |     case 4: M5.Lcd.drawJpg(d4, d4len, xpos, 0); return;
44 |     case 5: M5.Lcd.drawJpg(d5, d5len, xpos, 0); return;
45 |     case 6: M5.Lcd.drawJpg(d6, d6len, xpos, 0); return;
46 |     case 7: M5.Lcd.drawJpg(d7, d7len, xpos, 0); return;
47 |     case 8: M5.Lcd.drawJpg(d8, d8len, xpos, 0); return;
48 |     case 9: M5.Lcd.drawJpg(d9, d9len, xpos, 0); return;
49 |   }
50 | }
51 | 
52 | 


--------------------------------------------------------------------------------