Arduino Nano mit OLED Anzeige

Als Beispiel der Code:

/********************************************************************* 
2 This is an example for our Monochrome OLEDs based on SSD1306 drivers 
3  
4   Pick one up today in the adafruit shop! 
5   ------> http://www.adafruit.com/category/63_98 
6  
7 This example is for a 128x64 size display using SPI to communicate 
8 4 or 5 pins are required to interface 
9  
10 Adafruit invests time and resources providing this open source code,  
11 please support Adafruit and open-source hardware by purchasing  
12 products from Adafruit! 
13  
14 Written by Limor Fried/Ladyada  for Adafruit Industries.   
15 BSD license, check license.txt for more information 
16 All text above, and the splash screen must be included in any redistribution 
17 *********************************************************************/ 
18 
 
19 #include <SPI.h> 
20 #include <Wire.h> 
21 #include <Adafruit_GFX.h> 
22 #include <Adafruit_SSD1306.h> 
23 
 
24 // If using software SPI (the default case): 
25 #define OLED_MOSI   9 
26 #define OLED_CLK   10 
27 #define OLED_DC    11 
28 #define OLED_CS    12 
29 #define OLED_RESET 13 
30 Adafruit_SSD1306 display(OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS); 
31 
 
32 /* Uncomment this block to use hardware SPI 
33 #define OLED_DC     6 
34 #define OLED_CS     7 
35 #define OLED_RESET  8 
36 Adafruit_SSD1306 display(OLED_DC, OLED_RESET, OLED_CS); 
37 */ 
38 
 
39 #define NUMFLAKES 10 
40 #define XPOS 0 
41 #define YPOS 1 
42 #define DELTAY 2 
43 
 
44 #define LOGO16_GLCD_HEIGHT 16  
45 #define LOGO16_GLCD_WIDTH  16  
46 static const unsigned char PROGMEM logo16_glcd_bmp[] = 
47 { B00000000, B11000000, 
48   B00000001, B11000000, 
49   B00000001, B11000000, 
50   B00000011, B11100000, 
51   B11110011, B11100000, 
52   B11111110, B11111000, 
53   B01111110, B11111111, 
54   B00110011, B10011111, 
55   B00011111, B11111100, 
56   B00001101, B01110000, 
57   B00011011, B10100000, 
58   B00111111, B11100000, 
59   B00111111, B11110000, 
60   B01111100, B11110000, 
61   B01110000, B01110000, 
62   B00000000, B00110000 }; 
63 
 ......

Der Code kommt aus dem Example "ssd1306_128x64_spi.ino"

Oder ich kann auch einen ganz einfachen Code nehmen mit "Hello World" das klappt auch nicht.
Kompilieren und hochladen hat geklappt ohne Probleme.

Reinhold