8266 nodemcu 连接0.96寸128*64的oled屏例程。 #include #include #include #include #define SCREEN_WIDTH 128 // OLED display width, in pixels #define SCREEN_HEIGHT 64 // OLED display height, in pixels //sda = GPIO3 --SDA-->D1 //scl = GPIO4 --SCL-->D2;VCC-->3V GPIO0接地GND 进入写模式，运行模式要去除 // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)8266 设置为-1，arduino 设置为4 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);